Psychology lessons

121 lessons

Abnormality and Classification of Psychological Disorders – Behaviour is called abnormal when it shows the 4 Ds: deviance (very unusual), distress (it hurts the person), dysfunction (daily life breaks down) and sometimes danger. Long ago people blamed spirits; the Greeks blamed the body; later reformers brought kind care; today we use the biopsychosocial view. Experts classify disorders with two manuals: DSM-5-TR (American Psychiatric Association) and ICD-11 (World Health Organization). Disorders come from biological, psychological and sociocultural factors together. The diathesis-stress model says an inborn weakness plus enough stress can trigger a disorder.
Addiction: Why It Starts and How People Recover – Addiction is when a person cannot stop a habit (a drug, nicotine, alcohol, gambling, gaming) even though it harms them. Key signs are craving, loss of control and continuing despite harm. Tolerance means more is needed for the same effect; withdrawal means feeling ill when stopping; dependence is needing the habit to feel normal. Genes can raise risk, learning (rewards) keeps it going, and stress, peers, age, family and personality are risk factors. It can be reduced with aversion therapy, self-management, CBT, medicines and support, and change models such as the theory of planned behaviour explain how people decide to quit.
Advanced Learning Strategies: Skills for Success After School – Success after secondary school depends on knowing how to learn and how to handle change. Concentration improves when you block outside distractions (phone, noise) and calm inside ones (worry, hunger, tiredness), working in short focused blocks. Memory lasts longer when you test yourself, space your reviews, explain ideas in your own words and mix topics; cramming fades fast. Use the inquiry process (question, plan, research, analyse, conclude, share) for assignments and adapt your test strategies to the type of question. Plan your learning: know which personal factors help or hurt you, learn through many senses, find support resources, and speak up for what you need (self-advocacy). Transitions to college, work or a new city usually bring excitement, a dip, then adjustment; routines, support and small goals help. For the work search, prepare a résumé, a tailored cover letter and a portfolio, and answer interview questions with STAR. Learning continues for life, formally and informally.
Aggression: Why People Hurt Others – Aggression is behaviour meant to harm someone who does not want to be harmed. Psychologists explain it at many levels: the brain (amygdala and prefrontal cortex), hormones (testosterone, serotonin), genes (MAOA), animal instincts (ethology), evolution, social causes (frustration, social learning, deindividuation), settings like prisons, and media such as violent films and computer games. Most behaviour comes from several causes working together.
Analysis of Data, Limitations and Ethics in Psychological Research – Psychological data are analysed in two ways. Quantitative analysis uses numbers and statistics (like the mean) to find patterns. Qualitative analysis uses words, images and stories and sorts them into themes to find meanings. The two are often combined. Psychological enquiry has limits: its scales have no true zero point, its tools are relative to the culture in which they were made, and qualitative data can be interpreted subjectively. Research must be ethical: participation must be voluntary, participants must give informed consent, they should be debriefed after the study, the results should be shared with them, and their data must be kept confidential.
Approaches in Psychology – An approach is a set of ideas about what causes behaviour and how to study it. Psychology became a science in 1879 with Wundt's lab. Behaviourism studies only observable behaviour learned through conditioning; social learning theory adds imitation. The cognitive approach sees the mind as an information processor using schemas, studied with models and brain scans. The biological approach explains behaviour through genes, neurochemistry and evolution. The psychodynamic approach (Freud) stresses the unconscious, the id, ego and superego, defence mechanisms and psychosexual stages. The humanistic approach (Maslow, Rogers) stresses free will, self-actualisation and congruence. Approaches differ on free will vs determinism, nature vs nurture, reductionism and scientific method.
Aptitude and Creativity – Aptitude is a person's hidden ability to learn a special skill with training. Aptitude plus interest predicts success in a field. Aptitude is measured by single aptitude tests or by batteries such as the Differential Aptitude Tests, which give a profile of many abilities. Creativity is the ability to produce ideas or things that are new and useful. It shows through divergent thinking: fluency, flexibility, originality and elaboration. Some intelligence is needed for creativity, but high intelligence does not make a person creative on its own.
Argument and Persuasion: Reason, Emotion and Trust – To persuade someone, give a clear claim and support it. Three kinds of support work together: reason (facts, examples, evidence), emotion (a feeling that moves people) and values or trust (what we care about and why we can be believed). Facts are the strongest support, opinions are weaker, and prejudice is not support at all.
Attachment – Attachment is a strong, lasting emotional bond between an infant and a caregiver, shown by staying close, distress on separation and joy on reunion. It grows through caregiver-infant interaction (reciprocity and interactional synchrony) and develops in stages (Schaffer). Animal studies (Lorenz's imprinting, Harlow's cloth mother) suggest bonding is about comfort, not food. Learning theory says we attach to whoever feeds us; Bowlby's monotropic theory says the drive is inborn, focused on one main carer during a critical period, and forms an internal working model. Ainsworth's Strange Situation finds secure, avoidant and resistant types, whose mix varies across cultures. Deprivation and institutional care can harm later development.
Attitudes and Social Cognition: Parts, Formation and Change – Social psychology explains how other people affect our thoughts, feelings and actions. Social cognition is how we make sense of people: we use schemas (mental folders), form impressions and give causes (attributions) for behaviour. An attitude is a state of mind about a topic, with three parts: Affective (feeling), Behavioural (action tendency) and Cognitive (belief). Attitudes vary in valence, extremeness, simplicity/complexity and centrality. They are learned through association, reward and punishment, modelling, group norms and information. They change to restore balance (Heider), to remove dissonance (Festinger) or in two steps via a liked source (Mohsin), and source, message and target all matter. Attitudes predict behaviour only under some conditions.
Attribution Theory and Person Perception – When we see someone act, we guess why. We either blame the person (internal attribution) or the situation (external attribution). Our guesses are often biased: we blame other people's character too much (fundamental attribution error), excuse ourselves (actor–observer bias, self-serving bias) and let first impressions colour everything (halo and primacy effects). Kelley's covariation model gives a fairer way to decide.
Being Moved and Awe – Being moved is the warm feeling in your heart when you meet something beautiful or kind. Awe is the feeling of wonder and respect when you meet something far bigger than you, like a mountain, a night sky or the power of nature. Awe makes us humble, careful with nature and kind to others.
Biological Bases of Behaviour – Behaviour and thinking come from a living body. Genes and environment work together to shape us. The nervous system has a central part (brain and spinal cord) and a peripheral part (all other nerves, including the autonomic system). Neurons send messages as electrical action potentials (all-or-none) and pass them on with chemical neurotransmitters at synapses; hormones from the endocrine system act more slowly. Different brain regions do different main jobs, and the brain can rewire itself (plasticity).
Biopsychology: How the Body and Brain Shape Behaviour – Biopsychology studies how the body, especially the nervous and hormone systems, shapes what we think, feel and do. The nervous system has a central part (brain and spinal cord) and a peripheral part (somatic and autonomic nerves). Neurons pass messages electrically along their length and chemically across a synapse using neurotransmitters, which can be excitatory or inhibitory. The endocrine system uses glands and hormones; in danger the sympathetic branch and adrenaline produce the fight-or-flight response. Some jobs are localised in particular brain areas, and some are lateralised to one half, as split-brain studies show. The brain can rewire itself (plasticity) and recover after damage. Scientists study it with fMRI, EEG, ERP and post-mortems. Our bodies also run on cycles: circadian (about 24 hours), ultradian (shorter) and infradian (longer), kept by inner pacemakers and reset by zeitgebers such as light.
Child Development: Stages, Milestones and Care – Growth is a child getting bigger. Development is a child getting more skilled: in body, thinking, language and feelings. It happens in an order, through stages (infant, toddler, early childhood, middle childhood, adolescence), with milestones that most children reach at about the same age. Good nutrition, play, love, safety and responsive adults help every area grow.
Child Welfare: Principles, Laws and Support – Child welfare means making sure every child is safe, healthy, learning and heard. Over time society moved from treating a child as a little adult, to a person who needs protection, to a person with rights. Today the main guide is the 1989 UN Convention on the Rights of the Child. Countries turn it into laws, and families, communities and the state provide places and services that help children.
Child-Rearing Support and Childcare – Raising a child is shared work. Parents face problems such as long work hours, cost, tiredness, isolation and worry. Society helps with facilities (nursery, kindergarten, child centre, after-school club, health centre) and with services (advice, care hours, safe play space, short rest for parents, money and leave help). Good support makes parenting lighter and children safer and happier.
Childcare Activity Plans and Practicum – A childcare activity plan has five parts: aim, materials, steps, time and safety. The time is split into welcome, main activity, tidy-up and calm-down, and its length depends on the age of the children (about 10 minutes at age 2 to about 30 at age 6). On a childcare practicum you observe, join in, record and reflect. After each activity you check what went well and improve the plan: plan, do, check, improve.
Children's Culture: Play, Expression and Places – Children's culture is everything made for, and by, children: songs, stories, games, toys, rhymes and art. It passes from older to younger children and from adults to children. Play is the main way children learn, and drawing, speaking, singing and moving are how they express themselves. Homes, schools, libraries, playgrounds and community centres support it.
Children's Daily Life and Care – Babies and young children cannot look after themselves. Adults give food, sleep, cleanliness, love and safety. Step by step the child learns daily habits (sleeping, eating, washing, toileting, dressing). Adults also protect health with clean hands, vaccines and check-ups, and prevent accidents by removing hazards before a child reaches them.
Children's Expressive Activities in Childcare – Young children show thoughts and feelings before they can explain them in words. Expressive activities give them ways to do this: art and making, words and stories, music and movement, and, with care, ICT such as a tablet or camera. The adult plans the aim, materials and safe space, lets the child choose, and values the doing more than the result.
Clinical Depression: Signs, Causes and Treatment – A psychological disorder is a pattern of thoughts, feelings or behaviour that is strong, lasting, distressing and gets in the way of daily life. Clinical (unipolar) depression is diagnosed by a trained professional using a manual such as ICD-11 or DSM-5: low mood or loss of interest plus other symptoms, most of the day, nearly every day, for at least two weeks. Biological explanations point to low serotonin at synapses and to genes. Psychological explanations point to negative thinking, such as Beck's negative triad. Treatments include antidepressant drugs (SSRIs) and cognitive behavioural therapy (CBT); many people recover.
Cognitive Development – Cognitive development means how thinking grows from birth to adulthood. Jean Piaget said children build schemas (boxes of knowledge) by assimilation and accommodation, and pass through four stages in a fixed order: sensorimotor, pre-operational, concrete operational and formal operational. Conservation and egocentrism tests show the change. Learning also shapes development: Carol Dweck's mindset theory says believing ability can grow, plus praise for effort and self-efficacy, helps children learn. 'Learning styles' are popular but poorly supported.
Collaboration and Teamwork – Collaboration means people working together towards one shared goal, sharing ideas, work and credit. Good teams agree a clear goal, split work into roles that fit people's strengths, and communicate through shared channels. The number of communication links grows fast (n(n−1)/2), so teams of about 4–7 often work best. Teams pass through stages: forming, storming, norming, performing and adjourning. Disagreement is normal and is solved by listening, ground rules and focusing on the problem. Collaborative critique (praise, question, suggest) improves work, and the same skills apply in design projects, art, writing and online work.
Conformity: Why We Go Along with the Group – Conformity means changing what we say, do or believe so that we match a group. Solomon Asch showed in the 1950s that many people will give an answer they can see is wrong when everyone else gives it. People conform to be liked and fit in (normative influence) or because they think the group knows better (informational influence). How much someone conforms depends on situational factors, such as group size, whether anyone else disagrees, anonymity and task difficulty, and dispositional factors, such as personality (locus of control, confidence) and expertise.
Coping, Life Skills and Positive Health – Coping is what we do, in thought and action, to handle stress. Coping can be task-oriented (solve the problem), emotion-oriented (manage feelings) or avoidance-oriented (deny or escape). Lazarus and Folkman speak of problem-focused and emotion-focused coping. Stress management techniques include relaxation, meditation, biofeedback, creative visualisation, cognitive behavioural methods like stress inoculation, and exercise. Life skills such as assertiveness, time management, rational thinking, good relationships, self-care and overcoming unhelpful habits help us meet life's challenges. Positive health rests on diet, exercise, a positive attitude, positive thinking and social support. Hardy, resilient people bounce back from stress.
Creative Thinking, Thought and Language – Creative thinking produces ideas that are new and useful. It passes through preparation, incubation, illumination and verification, and mixes divergent (many ideas) with convergent (one best answer) thinking. Thought and language are closely linked (Whorf, Piaget, Vygotsky). Children develop language in fixed stages, helped by learning and by an inborn readiness.
Creative Thinking: How to Make Many Ideas and Pick the Best – Creative thinking is making ideas that are both new and useful. It is a skill anyone can grow. It has two moves: divergent thinking (opening out to many ideas) and convergent thinking (closing in on the best one). Tools help: brainstorming (many ideas, no judging), association (joining unrelated things), SCAMPER (Substitute, Combine, Adapt, Modify, Put to another use, Eliminate, Reverse), and reverse thinking (flip the problem, then flip the answers). Creative people take sensible risks, learn from failure and keep trying. Creativity matters in art, science, engineering, business and daily life.
Data Handling in Research – Researchers collect data as words (qualitative) or numbers (quantitative), either first-hand (primary) or from existing records (secondary). Number data is summed up with averages (mean, median, mode) and a spread (range), shown in tables, bar charts or scatter diagrams, and many human measures form a bell-shaped normal distribution.
Early Childhood Care and Education: Learning Through Care and Play – Early childhood care and education (ECCE) means caring for and teaching children from birth to about 8 years. These years matter most because the brain grows fastest: it reaches about 90% of adult size by age 6. Good ECCE aims at the whole child: physical and motor, cognitive, language, social-emotional and creative development, plus health, nutrition and habits. Its principles are learning through play and activity, child-centred and age-appropriate teaching, use of the home language, learning from the local environment, no formal tests or rote learning for young children, and close links with families. Curriculum frameworks in many countries (India's National Curriculum Framework for Foundational Stage is one) follow these ideas. Day care centres and crèches look after young children while parents work; good ones are safe, clean, have trained caregivers and a low adult-to-child ratio. Careers include pre-school teacher, crèche or day care manager, curriculum and toy designer, child counsellor and researcher.
Eating Behaviour – Eating behaviour is shaped by evolution (we like sweet and salty foods and fear new ones), by learning (family, friends, culture, media) and by a body control system: ghrelin from the stomach makes us hungry, leptin from fat tells us we have stores, and the hypothalamus starts (LH) and stops (VMH) eating. Anorexia nervosa has biological (genes, serotonin, dopamine) and psychological (family, social learning, cognitive) explanations. Obesity is explained by genes and hormones and by restraint, disinhibition and the boundary model, which also explain why diets often fail.
Emotional Intelligence: Assertive Talk and Negotiation – Emotional intelligence means noticing your feelings and other people's feelings and using them to act wisely. In a disagreement, name your feeling and calm down first. Then speak assertively (clear and respectful, not passive or aggressive), listen, stay flexible and look for a deal both sides can accept.
Emotions, Self-Control and Character – Emotions are feelings such as joy, sadness, anger and fear. They start when something happens, they show in the body, and they come in different sizes. Emotional maturity means knowing your feeling, naming it and choosing what to do. Self-control, a healthy self-esteem and good values build a strong character.
Emotions: Nature, Expression, Culture and Management – An emotion is a strong feeling with three parts: body arousal, a thought or appraisal of the event, and an outward expression. There are a few basic emotions that vary in intensity and can mix. Emotions are shown by face, voice and body; basic facial expressions are widely shared, but culture sets display rules. Negative emotions can be managed (awareness, reappraisal, relaxation, exercise, support) and positive ones built (gratitude, hope, kindness, friends, flow).
Eyewitness Testimony – Eyewitness testimony (EWT) is the account a witness gives of a crime or accident they saw. Because memory is rebuilt each time we recall it, EWT can be changed by misleading information: leading questions that hint at an answer, and post-event discussion with other witnesses. Anxiety also matters: moderate stress may sharpen recall, but very high stress, especially with a weapon present, can reduce accuracy. The cognitive interview uses four techniques (context reinstatement, report everything, change order, change perspective) to help witnesses recall more correct detail without adding errors.
Forensic Psychology: Understanding and Dealing with Crime – Forensic psychology uses psychology to help the justice system. It covers offender profiling (top-down and bottom-up, including geographical profiling), biological explanations of crime (old atavistic ideas, genes, brain), psychological explanations (Eysenck's criminal personality, thinking errors, learning from others, psychodynamic ideas) and ways of dealing with offenders: prison, reoffending (recidivism), behaviour modification, anger management and restorative justice.
Forgetting and How to Remember Better – Forgetting is fast at first and then slow (Ebbinghaus curve). Three main reasons: trace decay (unused traces fade), interference (old and new learning block each other: proactive and retroactive) and retrieval failure (the memory is there but the right cue is missing). We can improve memory with mnemonics using images (keyword method, method of loci) and organisation (chunking, first-letter technique, categories), plus deep processing, less interference, spaced revision and the PQRST method.
Friendship – A friend is someone you choose to spend time with, trust and care for, and who does the same for you. Friendships start from shared interests and time together, grow with trust built by honest words and help, and last when friends can listen, say sorry and forgive. A true friend wants what is good for you, even when it is hard to hear; a flatterer only says what pleases you. Friendship differs from family and from romantic love: it is freely chosen and between equals, and it adds a lot to happiness and well-being.
Gender Development – Sex is biological; gender is the psychological and cultural side of being male, female or another gender. Psychologists explain gender development through biology (chromosomes, hormones, atypical patterns like Klinefelter and Turner syndromes), cognition (Kohlberg's stages, gender schema theory), psychodynamic theory (identification with the same-sex parent) and social learning (models, reinforcement, culture and media). Androgyny and atypical gender development, such as gender dysphoria, show that gender is more varied than two fixed boxes.
Gender Development and Sexual Orientation – Biological sex is about the body (chromosomes, hormones, anatomy). Gender is the set of roles, traits and identity that a culture and a person link with being male, female or other. Children name their own gender by about 2–3 years and reach gender constancy by about 5–7. Gender develops through biology, social learning (copying and rewards) and gender schemas (mental categories), and roles differ across cultures. Gender identity, gender expression and sexual orientation are separate dimensions. Research finds sexual orientation is lasting, is not chosen and is not caused by parenting; biological factors contribute.
Goals and Steps of Research in Psychology – Psychological research has four goals: description (what happens), prediction (what will happen), explanation (why it happens) and application (using findings to solve problems and improve life). Scientific research follows four steps: conceptualising a problem (topic and a testable hypothesis), collecting data (participants, method, tools, procedure), drawing conclusions (statistics) and revising conclusions (fitting results into theory). A variable is anything that can change; the independent variable is changed by the researcher and the dependent variable is measured. Besides the scientific (quantitative) paradigm, there is an interpretive (qualitative) paradigm that seeks meanings in people's own words. Psychological data may be demographic, physical, physiological or psychological, and are never fully free of their context.
Groups: How They Form and How They Change Us – A group is two or more people who interact, share a goal, follow norms and feel 'we'. People join groups for security, status, self-esteem, needs and goals. Groups grow through stages: forming, storming, norming, performing, adjourning. Their structure has roles, norms, status and cohesiveness. Types: primary/secondary, formal/informal, in-group/out-group. Groups also change our behaviour: in social loafing each person tries less in a shared task; in group polarisation the group's view becomes more extreme after discussion.
Growing Up: Respect, Worries, Health and Safety – The teen years bring changes in body, mind and friendships. To grow well, we respect that people are different but equal, boys and girls cooperate as equals, we learn about people in other countries through exchange, we share worries with someone we trust, and we protect life with healthy, safe habits: enough sleep, good food, exercise, and safe behaviour online, on roads and in emergencies.
Growth and Branches of Psychology: From One Lab to Many Fields – Modern psychology began in 1879 when Wilhelm Wundt set up the first psychology lab in Leipzig, Germany (structuralism, using introspection). William James asked what the mind does (functionalism). Freud stressed unconscious wishes (psychoanalysis), Gestalt psychologists said we see wholes, and Watson said study only visible behaviour (behaviourism). Later came humanistic (Rogers, Maslow), cognitive and constructivist (Piaget, Vygotsky) views. In India, ideas about the mind are ancient; modern psychology began at Calcutta University in 1915 and later focused on Indian problems and indigenous ideas. Psychology now has many branches (cognitive, biological, developmental, social, clinical, health, educational, organisational, environmental, sports and more) and links with philosophy, medicine, economics, sociology, computer science, law and media. It also helps us in daily life.
Growth Mindset: Mistakes Are Part of Learning – A growth mindset is the belief that skills can grow with effort, good strategies and help. A fixed mindset says "I am just not good at this". Mistakes are useful clues that show what to fix. Learning works best when you try, find the mistake, change your method and try again, and add the word YET to "I can't".
Health Psychology and Positive Psychology – Health psychology studies how the mind, behaviour and social life affect physical health. The biopsychosocial model says body, mind and social world work together. Stress depends on how we appraise a stressor; long stress follows the General Adaptation Syndrome and can harm the immune system. Coping and healthy habits protect us. Positive psychology studies what makes life go well: positive emotion, engagement (flow), relationships, meaning and achievement (PERMA), plus resilience and character strengths.
Healthy Relationships – A healthy relationship, with family, friends or a partner, is built on respect, trust, honesty, equality and open talk. Each person keeps their own friends, choices and boundaries. Control, put-downs, pressure, jealousy and violence are warning signs. Consent means a free, clear yes that can be taken back at any time. Conflicts are normal and can be solved calmly; when someone feels unsafe they should tell a trusted adult or call a helpline.
History of Mental Health Care, Rights and Welfare – For a very long time people feared mental illness and hid or locked away those who had it. From the late 1700s reformers asked for kind, gentle care. In the 1950s medicines made calmer treatment possible, and care slowly moved from big hospitals to the community. Later, people with mental illness and their families began to speak up for their rights: to consent, privacy, respect and a life in society. Laws followed. They changed from mainly locking people up to giving care, rights and welfare support together.
How Children Learn to Read and Write – Children learn literacy step by step: they first make marks and hear stories, then learn letters and sounds, blend sounds into words, write sentences and stories, and finally read and write fluently for many readers. Speech, writing and multimodal texts all grow together.
Human Development Throughout the Lifespan – Human development is how people change from before birth to old age. Change happens in three areas: body (physical), thinking (cognitive) and feelings and relationships (social-emotional). Theories help us explain it: Piaget for thinking, Kohlberg for right and wrong, Erikson for the self, and Bowlby and Ainsworth for attachment. The brain is plastic: used connections grow strong and unused ones are pruned, so early care and stimulation matter a lot. Some things put development at risk (poverty, neglect, violence, toxins before birth); others protect it (a caring adult, good school, healthy community, fair policies). When supports outweigh risks, a person shows resilience: they do well despite hard times.
Human Development: Meaning, Life-Span View and Influences – Development is the pattern of change that begins at conception and continues through the whole life. It includes growth (increase in size), maturation (changes that unfold on a biological timetable) and learning from experience. The life-span view says development is lifelong, multidimensional, multidirectional, plastic, shaped by history, studied by many disciplines and contextual. It involves biological, cognitive and socio-emotional processes that affect each other. Development results from heredity (genotype) and environment working together to produce what we see (phenotype). Contexts matter: Bronfenbrenner described nested systems (micro, meso, exo, macro and chrono), and Durganand Sinha described the Indian child's ecology as inner and outer layers that change over time.
Human Memory: How We Keep Information – Memory keeps information over time. It works in three steps: encoding, storage and retrieval. The stage model says information passes from sensory memory (huge, about a second) to short-term memory (about 7 items, about 20 seconds) and, with rehearsal, to long-term memory (unlimited, years). Short-term memory works as working memory. The levels of processing view says deeper, meaning-based processing gives longer memory. Long-term memory has declarative memory (episodic and semantic) and procedural memory.
Identity and Relationships with Others – Identity is who you are: your name, age, looks, likes and qualities. Relationships join you to family and friends. People get on when they listen, share and respect each other, and fall out when they argue. Role models show good qualities we can learn.
Individual Differences and Assessment – No two people are the same. Individual differences are the special ways people differ in body, mind and behaviour. Behaviour comes from both the person (traits) and the situation. Psychologists study five main attributes: intelligence, aptitude, interests, personality and values. Assessment means measuring these attributes with fair, standard methods: tests, interviews, case studies, observation and self-report. Most scores gather near the middle, forming a bell-shaped curve.
Inferential Statistics: Significance, Errors and Choosing a Test – Inferential statistics tell us whether a result in a sample is likely to be real or just chance. We start from a null hypothesis (no effect) and ask how likely our data would be if it were true. If that probability is 5% or less (p ≤ 0.05), we call the result significant and reject the null hypothesis. We can still be wrong: a Type I error is a false positive, a Type II error is a false negative. The right test depends on three things: whether we look for a difference or a correlation, whether the design is related or unrelated, and the level of data (nominal, ordinal or interval). We then compare the calculated value with a critical value from a table.
Intelligence: Theories, IQ and Emotional Intelligence – Intelligence is the ability to understand the world, think clearly and use resources well to meet challenges. Psychometric theories break it into factors: Spearman's g and s, Thurstone's seven primary abilities, Guilford's many abilities. Gardner lists eight separate intelligences. Sternberg's triarchic theory has componential, experiential and contextual parts. The PASS model sees intelligence as planning, attention-arousal and simultaneous-successive processing. IQ = mental age ÷ chronological age × 100; most people score 90-110. Culture shapes what counts as intelligent. Emotional intelligence is the skill of knowing and handling feelings.
Issues and Debates in Psychology: Bias, Free Will, Nature-Nurture and More – Issues and debates are big questions that run through all of psychology. Gender bias can exaggerate differences (alpha bias) or ignore them (beta bias); androcentrism treats male behaviour as the norm. Culture bias includes ethnocentrism and imposed etic research, while cultural relativism judges behaviour inside its own culture. The free will vs determinism debate includes hard and soft determinism. Nature vs nurture is now mostly answered by interactionism. Holism looks at the whole person; reductionism explains through smaller parts at lower levels. Idiographic research studies individuals in depth; nomothetic research seeks general laws. Socially sensitive research has ethical implications for the groups it describes.
Joy of Living Well – Every person has a weak side (fear, laziness, giving up) and a strong side (courage, hope, kindness). We cannot remove weakness, but we can choose to try again. Each small step toward a good goal makes us stronger and gives a deep, lasting joy: pride in living well. This joy is quiet, honest and different from winning or showing off.
Learning by Conditioning – Learning is a fairly lasting change in behaviour that comes from practice or experience. In classical conditioning (Pavlov), a neutral stimulus paired with one that naturally causes a response starts to cause that response by itself. In operant conditioning (Skinner), behaviour is shaped by its consequences: reinforcement makes it more likely, punishment less likely. Timing, strength and type of stimuli, and the amount, delay and schedule of reinforcement decide how well learning happens. Key processes are acquisition, extinction, spontaneous recovery, generalisation and discrimination.
Learning Methods and "by + -ing" – We use "by + verb-ing" to say HOW we do something: "I improve my English by reading." Good learners use several methods: reading, listening, speaking and taking notes. Spell the -ing form with care: make → making, run → running, study → studying.
Learning Strategies: Skills for Success in Secondary School – Starting secondary school means more subjects, more homework and more independence. Strong learners study a little every day instead of cramming, prepare for tests by listing topics, testing themselves and fixing mistakes, and use technology wisely for research. Numeracy means knowing maths facts and using them in daily life, like working out a 25% discount. Communication has verbal parts (words) and non-verbal parts (face, eyes, tone); good listeners show they are listening. Teamwork works best with clear roles, fair sharing and respect, and conflicts are solved by discussing the problem, not attacking the person. You are not alone: teachers, libraries, counsellors, clubs, volunteering and part-time work all help you learn and build employability skills. A simple learning plan ties it together.
Learning Theories: How Learning Happens – Learning is a lasting change in what you know or can do. Behaviourism says we learn from rewards and repeats. The cognitive view says we link new ideas to old ones. The social-constructivist view says we build knowledge with help from others. Motivation, sleep, stress and feedback can all raise or lower learning.
Logical Fallacies: How Good-Looking Arguments Go Wrong – A fallacy is an error in reasoning that makes an argument weak or invalid, even though it may look convincing. Formal fallacies are mistakes in the form (structure) of a deductive argument, such as affirming the consequent. Informal fallacies are mistakes in content, language or relevance, such as ad hominem, straw man, false dilemma, slippery slope, appeal to popularity or false authority, hasty generalisation, post hoc and circular reasoning. Spotting them helps us discuss fairly.
Major Psychological Disorders: Types, Signs and Examples – Psychological disorders fall into families. Anxiety disorders bring too much fear (generalised anxiety, panic, phobias, separation anxiety). OCD traps a person in unwanted thoughts and repeated acts. Trauma disorders like PTSD follow a shocking event. Somatic disorders show as body complaints; dissociative disorders split memory or identity. Depressive disorder lowers mood for weeks; bipolar disorder swings between mania and depression. Schizophrenia adds experiences (hallucinations, delusions) and takes others away (emotion, drive). Neurodevelopmental disorders (ADHD, autism, intellectual disability, learning disorder) start in childhood, as do conduct problems. Eating disorders and substance-related disorders harm the body and life.
Making Inferences: Reading and Listening Between the Lines – An inference is a smart guess based on clues in a text plus what you already know. Good readers and listeners infer people's feelings and mood, a speaker's or writer's intent and purpose, their tone and attitude, the meaning of new words from context, and information the text leaves out. Every inference must be supported by evidence.
Memories and the Past: "used to" – "Used to + base verb" talks about a habit or state that was true in the past but is not true now: "I used to play with blocks." For negatives and questions use "did" and drop the d: didn't use to, Did you use to…? Use it to share school memories.
Mental Health and Nursing – Mental health is a state of well-being in which a person copes with normal stress, works well and helps others. The mind has thinking, feeling and acting parts that grow through life. Too much stress can turn into a crisis. Care has moved into the community, and psychiatric nurses build trust, listen and keep people safe.
Mental Health: Feelings, Stress and Support – Mental health is how we think, feel, cope and get along with others. Like physical health, everyone has it and it moves up and down. Emotions are useful signals. Stress adds up like water in a bucket; healthy coping (sleep, movement, talking, calm breathing, planning) lets it drain. Self-esteem and good relationships protect us. If feelings stay very heavy for two weeks or more, or stop daily life, talk to a trusted adult or a professional — asking for help is a sign of strength.
Metacognition: Thinking About Your Own Thinking – Metacognition is knowing how you think and learn, and steering it. It has two parts: knowing (about yourself, the task and strategies) and controlling (plan, monitor, evaluate). Plan a goal, a strategy and a time. Monitor your understanding as you go and use fix-up strategies when lost. Evaluate by comparing what you expected with what happened. The same habit helps in reading, speaking, listening, presentations and debates.
Methods of Psychology: Observation, Experiment, Correlation, Survey, Tests and Case Study – Psychologists use six main methods. Observation means watching and recording behaviour carefully, in natural or controlled settings, as a participant or non-participant. An experiment changes one variable (IV) for an experimental group but not a control group, keeps extraneous variables constant and measures the effect (DV); only experiments show cause and effect. Correlational research measures two variables and finds how strongly they move together (r from −1 to +1: positive, negative or zero), but it cannot prove cause. A survey asks many people through interviews or questionnaires. Psychological tests are standardised tools that must be reliable, valid and have norms. A case study is an in-depth study of one person or group using many sources.
Motivation, Motives and Maslow's Hierarchy of Needs – Motivation is the force that starts, directs and keeps up behaviour towards a goal. It works as a cycle: need → drive → action → goal → relief. Motives are biological (hunger, thirst, sleep, sex; kept in balance by homeostasis) or psychosocial (affiliation, power, achievement, curiosity). Maslow arranged needs in a pyramid from body needs up to self-actualisation.
Nature of Psychology: The Science of Mind and Behaviour – Psychology is the science that studies mental processes (like thinking and remembering), experiences (our private feelings) and behaviour (what we do). Mental processes cannot be seen, so psychologists infer them from behaviour. Behaviour can be overt (seen from outside) or covert (hidden inside, like a racing heart). Psychology is a discipline with its own methods and theories. It is a natural science because it uses experiments and studies the brain and body, and a social science because it studies people in families, groups and culture. Mind and brain are linked but not the same. Many popular beliefs about psychology, like "psychologists read minds", are not true.
Non-Verbal Communication: Talking Without Words – Non-verbal communication is sending messages without words: through facial expressions, eye contact, posture, gestures, touch, distance and tone of voice. Eye contact shows interest and controls turn-taking. Body language includes open and closed posture, postural echo and touch. Personal space is the bubble around us, with intimate, personal, social and public zones that change with culture, status and gender. Darwin argued that expressions evolved because they helped survival. Evidence shows some signals are innate (babies born blind smile) and some are learned (gestures and space differ across cultures).
Nursing by State of Mental Disorder – Psychiatric nursing changes with the person's state. In tests, the nurse explains and observes. In treatment, she gives medicine, supports therapy and watches side effects. In the acute phase, safety and calm come first. In the chronic phase, she builds daily skills, supports family and spots early signs of relapse.
Obedience: Why People Follow Orders – Obedience means doing what a person with authority tells you to do. In Milgram's study, 65% of ordinary people gave what they thought were 450-volt shocks because an experimenter told them to. Agency theory says that under orders we move from the autonomous state (my choice, my blame) to the agentic state (I am their agent, the blame is theirs). Situational factors such as location, uniform and closeness to the victim change obedience. Dispositional factors matter too: Adorno's authoritarian personality obeys strong leaders more.
Other Forms of Learning – Not all learning is conditioning. In observational learning we copy models after watching what happens to them. In cognitive learning we learn by thinking: insight is a sudden solution, and latent learning stays hidden until needed. Verbal learning is learning words and lists (paired-associate, serial, free recall). Skill learning moves through cognitive, associative and autonomous phases. Motivation, preparedness and the right reinforcement help learning. Learning disabilities are difficulties in reading, writing, attention or maths in children of normal intelligence, and they respond to special teaching.
Parenting Styles and Parenthood – Parenting is how adults care for, guide and teach a child. Two things matter most: warmth (love and listening) and rules (clear limits). Warm parents with fair rules are called authoritative, and their children usually do best. Becoming a parent changes life, and parents must also look after themselves.
Pedagogy: Teaching Methods and Effective Teachers – Pedagogy is the art and science of teaching. Main methods are lecture, discussion, learning by doing (projects) and feedback. Good teachers explain clearly, care about learners, ask questions, listen and check understanding. The best method depends on the goal and the learners, and good teachers mix methods.
Peer Support Communication: Listening, Feelings and Feedback – Communication is a loop: sender, message, channel, receiver and feedback, with noise that can block it. Peer helpers use active listening: face the person, eye contact, nodding, open questions and paraphrasing. Feelings are best shared as calm I-messages ('I feel … when … because …'), not bottled up or blasted out. Helpful replies show empathy and check understanding; unhelpful replies judge, dismiss or rush to advice. Good feedback is specific, kind and useful: name strengths (glows) and one next step (grow).
Perception: How the Brain Makes Sense – Perception is giving meaning to what the senses bring. We work bottom-up (parts to whole) and top-down (ideas guide what we see). The perceiver's needs, interests, expectations and mood shape it. Gestalt principles (figure-ground, proximity, similarity, closure, continuity) organise parts into wholes. Monocular and binocular cues give depth. Constancies keep size, shape and brightness stable. Illusions are perceptions that do not match reality, and culture changes how strongly we fall for them.
Personality: Approaches and Assessment – Personality is a person's steady, typical way of thinking, feeling and acting across situations. Type approaches sort people into groups (Type A and B, introvert and extravert). Trait approaches describe people on many dimensions (Allport, Cattell, Eysenck, Big Five). Freud's psychodynamic approach looks at the unconscious, id, ego, superego and defence mechanisms; post-Freudians (Jung, Horney, Adler, Fromm, Erikson) stress social and goal-seeking forces. The behavioural approach says personality is learned. The cultural approach links it to ecology and way of life. Humanistic approaches (Rogers, Maslow) stress growth and self-actualisation. Personality is assessed through self-report tests, projective techniques and behavioural methods.
Positive Psychology: Happiness, Strengths and Growth – Positive psychology studies what helps people live well, not only what goes wrong. Happiness has three sources: pleasure, engagement (flow) and meaning. Everyone has character strengths such as kindness or curiosity, and strengths grow with practice. Self-actualisation means becoming the best version of yourself once basic needs are met. Small daily habits can raise well-being.
Prejudice and Discrimination: Sources and How to Reduce Them – A stereotype is a fixed, over-simple belief about a whole group (the cognitive part). Prejudice is a negative attitude or feeling towards a group, often built on a stereotype (the affective part). Discrimination is unfair action against members of the group (the behavioural part). Prejudice comes from learning (family, peers, media), a strong social identity and in-group bias, scapegoating, the kernel-of-truth belief and the self-fulfilling prophecy. It can be reduced by education, intergroup contact under the right conditions (equal status, shared goals, cooperation, support from leaders), highlighting individual identity over group identity, and building a wider shared identity.
Progressive Education: How Dewey, Montessori, Freinet and Others Changed the Classroom – Around 1900 many thinkers said the old school, with silent rows and learning by heart, did not match how children really learn. Progressive (new or active) education puts the child, experience and real work at the centre. John Dewey taught learning by doing and the school as a small democracy. Maria Montessori built a prepared room where children choose self-correcting materials. Édouard Claparède argued that learning should start from the child's needs and interest. Célestin Freinet used a class printing press, a class newspaper and school letters to make work meaningful. Jacques Maritain and Giovanni Gentile, both important in the same century, kept a strong role for values, structure and the teacher: Maritain wanted the whole person educated, and Gentile's 1923 Italian reform built a firm school system. Together they show a debate that still continues: how much freedom, and how much guidance, should a child have?
Prosocial Behaviour – Prosocial behaviour is any action that helps another person, like sharing, comforting or helping a stranger. People help less when many others are watching (the bystander effect), because responsibility feels shared and everyone waits for someone else. How serious the situation looks, the cost of helping, how similar the victim is to us and our own skills also change whether we help. Piliavin's 1969 subway study showed people helped a man who seemed ill far more than one who seemed drunk.
Psychology as a Science: Features, Paradigms, Reports and Validity – Science gains knowledge through a cycle: a theory leads to a hypothesis, a test, and data that support or change the theory. Key features are empiricism, objectivity, replicability, falsifiability and theory construction. Kuhn argued that sciences work inside a shared paradigm and change through paradigm shifts when anomalies pile up; psychology may still be pre-paradigmatic. Research is shared through peer review and a report with set sections: abstract, introduction, method, results, discussion and references. Good research must be reliable (consistent) and valid (measuring what it claims), and there are several types of each.
Psychology of Teams Under Pressure – People in demanding jobs (soldiers, firefighters, rescuers, athletes, doctors) work under pressure. The mind has five main processes: attention, memory, thinking, feeling and willpower. A medium amount of pressure gives the best performance; too little bores, too much causes mistakes. Small daily habits build character. In a team, strong bonds, clear roles and trusted leaders share the load. Morale is recharged by sleep, food, a clear goal and friends.
Psychotherapy: Process, Types, Healing Factors and Ethics – Psychotherapy is a voluntary, trusting relationship between a client and a trained therapist that helps the client change feelings, thoughts and behaviour. It moves in stages and rests on the therapeutic alliance: trust, respect, empathy and confidentiality. Psychodynamic therapy digs out hidden conflicts. Behaviour therapy unlearns faulty habits (relaxation, systematic desensitisation, token economy, modelling). Cognitive therapy changes irrational beliefs (Ellis's ABC, Beck's CBT). Humanistic-existential therapies help growth and meaning (Rogers, Frankl, Gestalt). Alternative therapies use yoga, breathing and meditation. Healing comes from the technique, the alliance, catharsis, and client and therapist qualities. Ethics keep therapy safe.
Raising Healthy Children: From Pregnancy to the Early Years – A healthy childhood starts before birth. Conception happens when a sperm joins an egg, and pregnancy lasts about 40 weeks in three trimesters. Prenatal care (check-ups, good food, folic acid, rest, support from a partner) protects mother and baby, and postnatal care helps them after birth. Genes from both parents shape the baby, and teratogens such as alcohol, smoking, some medicines, radiation and infections can harm it. After birth, a child grows in five areas: physical, cognitive, language, social and emotional, reaching milestones at their own pace. Play, healthy food (breastmilk first) and warm, responsive talk build the child. Authoritative parenting, with both warmth and clear rules, gives the best results. Becoming a parent changes sleep, money, time and relationships; families cope with support, routines and help for problems like postpartum depression. Teen and lone parents face extra challenges and need community support.
Reconstructive Memory – We do not store memories like a video. We store pieces and rebuild the memory each time we recall it. While rebuilding, our schemas (ready-made ideas about how things usually are) fill gaps and change odd details. So memories get shorter, more familiar and sometimes false. Interference between similar memories and missing context cues also cause forgetting.
Recreation and Healthy Active Living Leadership – Leisure is free time we choose how to use; recreation is what we do in it for enjoyment. Active recreation involves movement, and healthy leisure is any free-time choice that helps body, mind or relationships. Staying active for life brings growing benefits. People keep going when motivators outweigh barriers, so leaders promote activity in sensitive, inclusive ways and act as mentors who help others grow.
Rehabilitation of People with Mental Illness – Treatment (medicines and therapy) reduces symptoms, but a person with a severe mental illness such as schizophrenia may still find it hard to work, make friends or look after themselves. Rehabilitation helps them become productive and independent. It uses occupational therapy (simple work tasks that build routine), social skills training (role-play of daily social situations), cognitive retraining (exercises for attention, memory and planning), and vocational training (job skills and job support). Family education, day-care, self-help groups and fighting stigma help the person live an included life in the community.
Relationships in Psychology – Psychologists explain romantic relationships in stages: why we pick certain partners (evolution, looks, self-disclosure, filter theory), why we stay (social exchange, equity, investment), how relationships end (Duck's phases), and new kinds of relationships online or with celebrities (virtual and parasocial).
Research Methods in Psychology – Psychologists test ideas by research. A hypothesis is a testable prediction; the null hypothesis says there is no effect. In an experiment the independent variable (IV) is changed and the dependent variable (DV) is measured, while extraneous variables are controlled. People are chosen by random, opportunity, systematic or stratified sampling. Designs are independent groups, repeated measures or matched pairs. Experiments can be lab, field or natural; other methods include interviews, questionnaires, case studies, observation and correlation. Good research is standardised, counterbalanced, reliable, valid and ethical.
Resilience: Hope, Optimism and Perseverance – Resilience is the ability to cope with hard times and slowly bounce back. Suffering comes to everyone and painful feelings are normal. Resilient people explain setbacks as temporary and changeable (realistic optimism), keep trying after failure (perseverance), lean on supports such as family, friends, community, faith and healthy habits, and hold on to hope and meaning. Resilience is not a fixed trait; it can be learned and practised.
Rhetoric: The Art of Persuasive Speech – Rhetoric is the art of using words to persuade an audience. Every speech has a speaker, an audience, a message and an occasion. Speakers persuade through three appeals: ethos (trust in the speaker), logos (reasons and evidence) and pathos (feelings). A speech is built in five steps — invention, arrangement, style, memory and delivery — and figures of speech make it memorable. Rhetoric has power: it can teach and unite, but it can also seduce and manipulate, so a good listener checks the evidence.
Rhetorical Analysis: Reading Non-Fiction Like a Detective – Rhetorical analysis means asking how a text tries to convince you and whether it deserves it. Find the claim, the reasons that carry it, and the evidence under each reason. Notice the purpose and point of view of the author, the structure of paragraphs, and the devices of language (questions, repetition, loaded words). Then judge the argument and use sources fairly in your own writing.
Schizophrenia – Schizophrenia is a serious mental illness that affects thinking, perception and motivation. It affects about 1 in 100 people worldwide. Symptoms are positive (hallucinations, delusions) or negative (speech poverty, avolition). Diagnosis has problems of reliability and validity. Causes include genes, dopamine and brain differences, family stress and faulty thinking. Treatment combines medicines with CBT, family therapy and token economies. The diathesis-stress model joins these ideas. It is treatable, and many people recover well.
Self-Assessment: Getting to Know Your Own Resources – Self-assessment means looking at yourself honestly to know your interests, abilities, values, health and habits. You rate each area, spot strengths and growth areas, compare your view with feedback from others, and keep proof in a portfolio. It helps you choose subjects and careers, and plan how to improve.
Self-Identity: Who Am I, and How Do I Live It? – Identity is your sense of who you are: your roles, values, strengths and dreams. We know ourselves through reflection. Self-esteem is how much we value ourselves. A strong moral identity means our actions match our values.
Self-Improvement: Stories, Mottoes and a Short Talk – Self-improvement means working on yourself, step by step, to become better. Stories of people who practised daily, tried again after failing, or helped others show that growth comes from small repeated actions. A motto is one short line that reminds you of your aim, such as "A little every day". Small gains add up: getting 1% better every day for 365 days makes you about 38 times better, while getting 1% worse makes you almost nothing. A good short talk or argument has four blocks: a claim, a story as evidence, a reason that links the story to the claim, and a motto to end. In this project you collect stories and mottoes, choose your own motto and present a three-minute talk.
Self-Management: Taking Charge of Your Feelings, Goals and Time – Self-management is the skill of guiding your own feelings, thoughts and actions so you can reach your goals. It starts with self-awareness: noticing what you feel and how strong it is. Then you pause before reacting (Stop, Think, Act) and use calming tools such as slow breathing. Your beliefs and thoughts shape your feelings and actions, so changing an unhelpful thought ('I'm useless') into a helpful one ('I can't do it yet') changes what you do. Good self-managers set SMART goals, plan their time by importance, build healthy habits and bounce back from setbacks (resilience). These skills help in school, friendships and future careers.
Self-Realisation and Personal Development – Self-realisation means growing into the best version of yourself. It rests on five things: knowing what makes you individual, choosing life values and putting them in order of priority, taking an active part in your community, being able to adapt and move on when life changes, and using creativity to find new solutions.
Senses and Attention – A stimulus is any change we can pick up. Each sense organ (sense modality) picks one kind of stimulus, but only within limits: a stimulus must cross the absolute threshold to be noticed, and a change must cross the difference threshold. Attention then chooses. Selective attention picks a few stimuli from many, pulled by outside factors (size, loudness, movement, newness) and inside factors (needs, interests). Sustained attention keeps focus on one task for a long time, and it drops as time passes.
Skill Acquisition: How We Learn Movement Skills – A skill is a learned action done with the least time and effort for a set goal. Skills are classified on continua (open–closed, gross–fine, discrete–serial–continuous, self-paced–externally paced, simple–complex, low–high organisation). We process information in a loop: input, decision (using memory), output and feedback; more choices slow reaction time (Hick's law). Learners move through cognitive, associative and autonomous stages. Coaches choose the type of practice, guidance and feedback to suit the skill and the learner, and use transfer from skills already learned. Theories of learning explain why this works.
Sleep and Consciousness – Consciousness is our awareness of ourselves and our surroundings. A 24-hour body clock (circadian rhythm), steered by light and the hormone melatonin, tells us when to sleep. Sleep is not 'switched off': the brain moves through NREM stages N1, N2 and deep N3, then REM sleep with vivid dreams, in cycles of about 90 minutes. Sleep restores the body, builds memories and supports growth; too little sleep harms attention, mood and health. Common disorders include insomnia, narcolepsy, sleep apnoea and sleepwalking.
Social Influence: Crowds, Saying No and Changing Minds – Social influence is how other people change what we think and do. In groups, two crowd effects appear: social loafing (each person tries less when effort is hidden) and deindividuation (feeling anonymous in a crowd lowers self-control). Personality and morals change how much a crowd affects someone. People resist pressure better with social support (one ally) and an internal locus of control. A small minority can change the majority if it is consistent, committed and flexible; this leads to social change through the snowball effect.
Social Psychology: How Other People Shape Us – Social psychology studies how other people change our thoughts, feelings and actions. Behaviour depends on both the person and the situation. In groups we often conform to the majority or obey authority. Stereotypes (thoughts), prejudice (feelings) and discrimination (actions) harm groups. When many people watch, each feels less responsible to help. Competition breeds conflict, while shared goals build cooperation.
Sports Psychology: The Mind Behind the Performance – Sports psychology studies how the mind affects play. Personality shapes how we like to train. Motivation is the fuel: from inside (fun) or outside (prizes). Arousal is how "switched on" you are: too little or too much hurts, the middle is best (inverted U). Anxiety is worry; breathing, imagery and positive self-talk calm it. SMART goals give a clear ladder. Aggression must be controlled, and teams work best when everyone pulls together.
Stages of Human Development: From Before Birth to Old Age – The prenatal stage runs from conception to birth in three periods: germinal (first two weeks), embryonic (2–8 weeks) and fetal (9 weeks to birth); harmful agents called teratogens (alcohol, smoking, drugs, infections like rubella) and the mother's nutrition and stress affect the baby. Infancy (0–2 years) begins with reflexes, then motor milestones, attachment and object permanence (Piaget's sensorimotor stage). In early childhood (2–6) children use symbols and pretend play but think egocentrically and fail conservation (pre-operational); in middle childhood (6–11) they think logically about concrete things. Adolescence brings puberty, abstract thinking, the search for identity and challenges such as peer pressure, delinquency, substance use and eating disorders. Adulthood brings career, marriage and parenthood; old age brings retirement, loss and wisdom.
Stress – Stress is the body and mind's response when demands seem greater than our ability to cope. The body responds through two routes: the fast SAM route (adrenaline) and the slower HPA route (cortisol). Long stress can weaken the immune system and harm the heart. Sources include life changes, daily hassles and workplace stress, measured by self-report scales and body measures. Personality (Type A, Type D, hardiness) changes how we react. Stress can be managed with drugs, stress inoculation training, biofeedback and social support, and there are gender differences in coping.
Stress: Nature, Sources and Effects on Health – Stress is the pattern of body and mind responses to events that disturb our balance and seem to exceed our ability to cope. Events that cause stress are stressors. Stress can be helpful (eustress) or harmful (distress). Lazarus showed that stress depends on appraisal: is it a threat, and can I cope? Stress can be physical and environmental, psychological (frustration, conflict, inner and social pressure) or social. Its sources include major life events, daily hassles and traumatic events. It affects emotions, body, thinking and behaviour, and long-term stress can lead to burnout. Selye's general adaptation syndrome has three stages: alarm, resistance and exhaustion. Long stress weakens the immune system. A healthy lifestyle protects against stress.
Structure and Function of the Brain – The brain has three main parts: the large cerebrum (left and right hemispheres covered by the cortex), the cerebellum at the back, and the brain stem. The cortex has four lobes: frontal (planning, movement, speech), parietal (touch), temporal (hearing, language, memory) and occipital (vision). The cerebellum keeps balance and smooth movement. Localisation of function means particular jobs happen in particular areas; Penfield showed this by stimulating the cortex of awake patients. CT shows structure; PET and fMRI show activity. Tulving's PET study found episodic memories used the front of the brain and semantic memories the back.
Study Skills: Learn Smarter and Handle Exam Stress – We forget most new facts within days unless we revise them. Study skills are the habits that make learning stick. The strongest are spaced revision (reviewing after 1, 3, 7 and 21 days) and active recall (testing yourself instead of re-reading). Focus blocks such as the Pomodoro method, a written timetable, good notes (Cornell notes, mind maps) and enough sleep all help. For languages, learn words in context, use flash cards, read and listen every day and speak early. A little stress keeps you alert, but too much blocks thinking, so learn calming tricks and plan ahead.
Teaching Practice: Observe, Plan, Teach and Reflect – Teaching practice is learning to teach inside a real school. A student teacher goes through four stations: get to know the school, observe and assist classes, plan lessons and make materials, then reflect in a journal and collect proofs in a portfolio. The cycle repeats, and every round makes the teaching better.
The Self: Concept, Esteem and Culture – The self is the total of our experiences, ideas, thoughts and feelings about ourselves. It has a personal identity (what makes me unique) and a social identity (the groups I belong to). The self is both the knower (subject) and the known (object). Self-concept is how we see ourselves; self-esteem is how we value ourselves across areas like studies, friends, body and family. Self-efficacy is belief that we can succeed; self-regulation is managing our own behaviour, helped by self-observation, self-instruction and self-reinforcement. Indian culture sees the self with flexible borders that include family and community; Western culture draws a firmer border around the individual.
Thinking Deeply – Thinking deeply means not stopping at what you can see. You first notice a fact (the phenomenon). Then you ask "why?" again and again until you reach the real cause (the essence). Then you test it with evidence and say it clearly in a sentence.
Thinking, Problem Solving and Reasoning – Thinking means working on information in the mind to reach a goal. Its building blocks are mental images and concepts. We use thinking to solve problems (step by step, watching out for mental set and functional fixedness), to reason (deductive: rule to case; inductive: cases to rule) and to make judgements and decisions.
Vision and Success – A vision is a clear picture of what you want to become or do. Success comes by turning that dream into small goals, one stair at a time. A growth mindset ("I can learn this, not yet") helps you pass obstacles, while a fixed mindset ("I can't") stops you. Role models can teach habits, but your path is your own.
Working with Infants and Young Children: Growth, Guidance and Safety – From birth to about 6 years, children grow fastest in their whole life. They grow in four areas: physical, thinking, language and social-emotional. Warm "serve and return" care builds trust (attachment). Adults guide behaviour with routines, redirection, choices and praise, not harsh punishment. People who work with young children watch for neglect and abuse and report it, keep spaces safe, respect different family cultures, and use research skills to find good information.
Working with School-Age Children and Adolescents: Development, Guidance and Care – From about 6 to 18, children grow in four domains: physical, cognitive, social and emotional. Theories help explain this: Piaget (concrete then formal thinking), Erikson (industry, then identity), Kohlberg (moral reasoning), Vygotsky (learning with support) and Bronfenbrenner (rings of influence). People who work with this age group use positive guidance, essential skills such as patience and active listening, and awareness of issues like bullying, screen time, stress and peer pressure, while respecting social and cultural differences.