This resource covers the entire spectrum of psychology, including: notable people, theories and terms; landmark case studies and experiments; applications of psychology in advertising, medicine and sports; and career information.

Electronic reproduction.

Ability -- Abnormal psychology -- Abortion -- Absolute threshold -- Acculturation -- Achievement tests -- Nathan Ward Ackerman -- Acquired immune deficiency syndrome (aids) -- Action potential -- Adaptation -- Addiction/addictive personality -- Adjustment disorders -- Alfred Adler -- Adolescence -- Adolescent depression -- Adoption -- Advertising psychology -- Affect -- Affiliation -- Aggression -- Aging -- Mary Ainsworth -- Alcohol dependence and abuse -- Alienation -- Gordon Willard Allport -- Altruism -- Alzheimer's disease -- American academy of child and adolescent psychiatry -- American psychiatric association -- American psychological association -- Americans with disabilities act (ADA) -- Ames room -- Amnesia -- Anne Anastasi -- Anger -- Animal experimentation -- Anorexia -- Antianxiety drugs -- Antidepressant drugs -- Antipsychotic drugs -- Antisocial behavior -- Antisocial personality disorder -- Anxiety and anxiety disorders -- Apgar score -- Aphasia -- Applied psychology -- Approach versus avoidance -- Archetype -- Art therapy -- Artificial intelligence -- Asperger syndrome -- Assessment, psychological -- Assimilation -- Association for psychological science (APS) -- Associationism -- Attachment -- Attention -- Attention deficit hyperactivity disorder (ADHD) -- Attitude and behavior -- Attitudes and attitude change -- Attraction, interpersonal -- Attribution theory -- Authoritarian personality -- Autism spectrum disorder (ASD) -- Autoeroticism -- Autonomic nervous system -- Aversive conditioning -- Avoidance learning -- Albert Bandura -- Battered child syndrome -- Bayley scales of infant and toddler development -- Nancy Bayley -- Aaron T. Beck -- Clifford Beers -- Behavior modification -- Behavior therapy -- Behaviorism -- Bender-Gestalt test -- Bruno Bettelheim -- Bilateral cingulotomy -- Bilingualism and bilingual education -- Alfred Binet -- Binocular depth cues -- Biofeedback -- Bipolar disorder -- Birth -- Birth order -- Birth trauma -- Bisexuality -- Body dysmorphic disorder (BDD) -- Body image -- Bonding -- Borderline personality disorder -- Boredom -- Medard Boss -- Murray Bowen -- John Bowlby -- Brain -- Brain disorders -- Brain injuries -- Brainwashing -- T. Berry Brazelton -- Josef Breuer -- Brief reactive psychosis -- Pierre-Paul Broca -- Jerome S. Bruner -- Bulimia -- Bullies -- Bystander effect -- Caffeine-related disorders -- Mary Whiton Calkins -- Cannabis-related disorders -- Career counseling -- Case study methodologies -- Catharsis -- Cathexis -- James McKeen Cattell -- Raymond Bernard Cattell -- Central nervous system -- Central tendency measures -- Character -- Jean Martin Charcot -- Chi-square test -- Child abuse -- Child development -- Child psychology -- Childhood -- Noam Chomsky -- Circadian rhythms -- Kenneth Bancroft Clark -- Classical conditioning -- Client-centered therapy -- Clinical psychology -- Cliques -- Codependence -- Cognition -- Cognitive behavioral therapy -- Cognitive development -- Cognitive dissonance -- Cognitive psychology -- Cognitive therapy -- Cognitivism -- Robert Martin Coles -- Color vision -- Coma -- Combat neurosis -- Communication skills and disorders -- Comparative psychology -- Competence to stand trial -- Competition -- Compulsions -- Computer simulation (modeling) -- Concept formation -- Conditioned response -- Conditioned stimulus -- Conditioning -- Conduct disorder -- Confidence intervals -- Confidentiality and legal privilege -- Conflict resolution -- Conformity -- Conscience -- Conscious and unconscious motivations -- Consciousness -- Constructivism -- Consumer psychology -- Contrast -- Control group -- Convergent thinking -- Conversion reaction -- Coping behavior -- Correctional psychology -- Correlational method -- Counseling psychology -- Counterconditioning -- Covert sensitization -- Creativity -- Creativity tests -- Criminal profiling -- Crisis intervention -- Critical period -- Cross-cultural psychology -- Cross-sectional study -- Cults -- Cultural-historical psychology -- Culture-fair test -- Charles Robert Darwin -- Daydreaming -- Deductive reasoning -- Deep brain stimulation -- Defense mechanisms -- Delay of gratification -- Delayed response -- Delirium -- Delusion and delusional disorders -- Dementia -- Dendrites -- Deoxyribonucleic acid (DNA) -- Dependent personality disorder -- Dependent variable -- Depression -- Depth perception -- René Descartes -- Descriptive psychology -- Desensitization -- Determinism -- Developmental delay -- Developmental stages, theories of -- John Dewey -- Diagnostic and statistical manual of mental disorders (DSM-5) -- Dialectical behavior therapy -- Differential psychology -- Direct observation tests -- Disability -- Dissociation and dissociative disorders -- Dissociative identity disorder -- Divergent thinking -- Divorce -- Down syndrome -- Draw-a-person test -- Dreams -- Drive reduction -- Drug therapy -- Dysfunctional family -- Dyslexia -- Eating disorders -- Hermann Ebbinghaus -- John C. Eccles -- Echolalia -- Ecological systems theory -- Educational psychology -- Effector -- Ego -- Elective mutism -- Electrical stimulation of the brain -- Electroconvulsive therapy (ECT) -- Electroencephalograph (EEG) -- David Elkind -- Albert Ellis -- Emotion -- Emotional development -- Emotional intelligence -- Empathy -- Empiricism -- Encounter group -- Enculturation -- Endocrine glands -- Environment -- Environmental psychology -- Equilibrium sense -- Erik Erikson -- Ethical treatment of animals -- Ethnocentrism -- Ethology -- Etiology -- Eugenics -- Evolutionary psychology (ep) -- Exhibitionism -- Existential psychology -- Experimental design -- Experimental group -- Experimental psychology -- Expert testimony -- Extinction -- Extroversion -- Eye movement desensitization and reprocessing (EMDR) -- Hans Jurgen Eysenck -- Facial recognition -- False memory syndrome -- Familial retardation -- Family -- Family size -- Family therapy -- Fantasy -- Fear -- Gustav Theodor Fechner -- Feral children -- Leon Festinger -- Fetal alcohol effect (FAE) and syndrome (FAS) -- Fight/flight reaction -- Figure-ground perception -- Fine motor skills -- Fixation -- John Hurley Flavell -- Food addiction -- Forensic psychology -- Forgetting curve -- Waldo David Frank -- Viktor E. Frankl -- Free association -- Free-recall learning -- Frequency (auditory) -- Frequency distribution -- Anna Freud -- Sigmund Freud -- Friendship -- Erich Seligman Fromm -- Fugue -- Functional disorder -- Functional fixedness -- Functionalism -- Phineas Gage -- Galen -- Sir Francis Galton -- Gangs -- Howard Earl Gardner -- Gender bias -- Gender constancy -- Gender dysphoria disorder -- Gender identity -- General adaptation syndrome -- Genius -- Geriatric psychology -- Arnold Gesell -- Gestalt principles of organization -- Gestalt psychology -- Gestalt therapy -- Eleanor J. Gibson -- James Jerome Gibson -- Giftedness -- Goal-setting theory -- Grief -- Gross motor skills -- Group dynamics -- Group therapy -- Guilt -- Edwin Ray Guthrie -- Habituation -- Jay Haley -- Halfway house -- Granville Stanley Hall -- Hallucinations -- Hallucinogens -- Halo effect -- Handedness -- Hand-eye coordination -- Harry F. Harlow -- Health psychology -- Hearing -- Donald O. Hebb -- Fritz Heider -- Hermann von Helmholtz -- Heredity -- Herzberg's two-factor theory -- Heterosexuality -- Heuristics -- High intelligence -- High-risk participant studies -- Ernest R. Hilgard -- Robert Aubrey Hinde -- Histrionic personality disorder -- Hoarding -- Holtzman inkblot technique -- Evelyn hooker -- Hormones -- Karen Horney -- Hostility -- Ethel Dench Puffer Howes -- Clark Leonard Hull -- Human potential, movement -- Humanistic psychology -- David Hume -- Humor -- Hypnosis -- Hypochondria -- Hypothalamus -- Hypothesis testing -- Id -- Identification with the aggressor -- Identity/identity formation -- Imagination -- Imitation -- Imprinting -- Impulse control disorders -- Incentive theory -- Incest -- Independent variable -- Inductive reasoning -- Industrial psychology -- Infancy -- Inferiority complex -- Information-processing theory -- Informed consent -- Barbel Inhelder -- Insanity defense -- Instinct -- Institutionalization -- Instrumental behavior -- Insulin shock therapy -- Intellectual disability -- Intelligence -- Intelligence quotient (IQ) -- Intelligence tests -- Interdisciplinary treatment -- Interest inventory -- Intermittent explosive disorder -- Internet-based therapy -- Interpersonal therapy -- Intrinsic and extrinsic motivation -- Intrinsic motivation and the 16 basic desires theory -- Introversion -- Irrational beliefs -- William James -- Pierre Marie Felix Janet -- Jealousy -- Arthur R. Jensen -- Virginia E. Johnson -- Jukes family -- Carl Jung -- Just noticeable difference -- Juvenile delinquency -- Jerome Kagan -- Kallikak family -- George Alexander Kelly -- Kinesthetic sense -- Alfred Charles Kinsey -- Kleptomania -- Kurt Koffka -- Lawrence Kohlberg -- Kohs block test -- Emil Kraepelin -- Christine Ladd-Franklin -- Ronald David Laing -- Language delay -- Language development -- Language disorder -- Karl spencer lashley -- Late-life psychosis -- Latent inhibition -- Law of effect -- Arnold Allan Lazarus -- Leadership -- Learned helplessness -- Learning -- Learning: associative -- Learning curve -- Learning: dialogic learning -- Learning disability -- Learning: e-learning and augmented learning -- Learning: episodic -- Learning: formal and informal -- Learning: meaningful learning -- Learning: multimedia learning -- Learning: non-associative -- Learning theory -- Learning-to-learn -- Left-brain hemisphere -- Leukotomy -- Kurt Lewin -- Libido -- Lie detection -- Marsha M. Linehan -- Localization (brain function) -- Localization (sensory) -- John Locke -- Locus of control -- Jane Loevinger -- Logical thinking -- Logotherapy -- Longitudinal study -- Konrad Lorenz accepts Nobel Prize for behavioral research -- Aleksandr Romanovich Luria -- Eleanor Emmons Maccoby -- Malingering -- Mania -- Marijuana -- Marriage counseling -- Abraham Maslow -- William Masters -- Rollo May -- William McDougall -- Margaret Mead -- Mean -- Measurement -- Media psychology -- Median -- Meditation -- Paul Everett Meehl -- Melancholia -- Memory -- Mental age -- Mental health -- Mental hospitals -- Mental illness -- Mental imagery -- Merrill-palmer scales of mental tests -- Franz Anton Mesmer -- Metapsychology -- Adolf Meyer -- Middle years -- Stanley Milgram -- Milgram's obedience experiment -- Military mental health -- Alice Miller -- Minimal brain dysfunction -- Minnesota multiphasic personality inventory -- Salvador Minuchin -- Mnemonic strategies -- Mob psychology -- Mode -- Modeling -- Monist and pluralistic motivational theories -- Maria Montessori -- Mood -- Mood stabilizers -- Moral development -- Christiana Drummond Morgan -- Motion perception -- Motivation -- Multicultural counseling -- Multivariate methods -- Henry Alexander Murray, Jr. -- Music therapy -- Myers-Briggs type indicator -- Narcissism -- Narcolepsy -- Narcotic drugs -- National Association of School Psychologists -- National institute of mental health -- Nature-nurture controversy -- Margaret Naumburg -- Near-death experience -- Negativism -- Neocortex -- Nerve -- Nervous system -- Neural transmission: excita-tory and inhibitory synapses -- Neuroimaging -- Neuron -- Neuroplasticity -- Neuropsychological tests -- Neurosis -- Neurotransmitter -- Night terrors -- Nightmares -- Norm -- Normal -- Normal distribution -- Obesity -- Objective tests -- Observational study -- Obsessive-compulsive disorder -- Occupational therapist -- Oedipus complex -- Operant conditioning -- Oppositional-defiant disorder -- Organic disorder -- Organismic psychology -- Arthur Otis -- Overachiever -- Pain -- Paired-associate learning -- Panic/panic disorders -- Paranoia -- Paraphilia -- Parapsychology -- Parent-child relationship -- Parkinson's disease -- Passive-aggressive personality -- Ivan Pavlov -- Pedophilia -- Peer acceptance -- Peer groups -- Peer mediation -- Peer pressure -- Wilder Graves Penfield -- Perfectionism -- Frederick S. Perls -- Personality -- Personality development -- Personality disorders -- Personality inventory -- Pervasive developmental disorder (PDD) -- Phenomenology -- Philosophical psychology -- Phobia -- Phrenology -- Physiological psychology -- Jean Piaget -- Piaget's theory of cognitive development -- Philippe Pinel -- Placebo effect -- Play -- Play therapy -- Pleasure principle -- Pornography -- Postpartum depression -- Post-traumatic stress disorder (PTSD) -- Power -- Preconscious -- Prejudice and discrimination -- Premarital counseling -- Premenstrual dysphoric disorder (PMDD) -- Premenstrual syndrome (PMS) -- Primal therapy -- Priming -- Probability -- Process psychology -- Programmed learning -- Projective tests -- Propaganda -- Prospective cohort study -- Psyche -- Psychiatrist -- Psychoanalysis -- Psychodynamic psychotherapy -- Psychohistory -- Psychological disorder -- Psychologist -- Psychology of self -- Psychometrics -- Psychopharmacology -- Psychophysics -- Psychosexual stages -- Psychosis -- Psychosocial development -- Psychosomatic disorders -- Psychosurgery -- Psychotherapy -- Psychotic disorders -- Puberty -- Punishment -- Pyromania -- Qualitative methods -- Race and intelligence -- Racism -- Radical behaviorism -- Otto rank -- Rape -- Rapid eye movement (rem) -- Rating scale -- Rational motivation -- Rational emotive behavior therapy (REBT) -- Reaction time -- Readiness test -- Reading disability -- Reality therapy -- Recovered memories -- Reflective listening -- Reflexes -- Rehabilitation -- Rehearsal -- Wilhelm Reich -- Reinforcement -- Relational-cultural therapy -- Research methodology -- Residential treatment -- Resilience -- Retrospective cohort study -- Ribonucleic acid (RNA) -- Right-brain hemisphere -- Risk-taking behaviors -- Carl Rogers -- Role playing -- Rorschach technique -- Rosenzweig picture frustration study -- Rote learning -- Julian b -- Rotter -- Benjamin rush -- Sampling methods -- Satanic ritual abuse -- Virginia M. Satir -- Savant syndrome -- Scapegoating -- Schizophrenia -- Scholastic assessment test -- School phobia/school refusal -- School psychology -- Scientific method -- Seasonal affective disorder -- Security objects -- Self-actualization -- Self-concept -- Self-conscious emotions -- Self-control strategies -- Self-esteem -- Self-fulfilling prophecy -- Self-help groups -- Self-report inventory -- Semantic memory -- Sensation -- Sensitivity training -- Sensitization -- Sensory deprivation -- Sensory modalities -- Separation anxiety -- Serial learning -- Serial position function -- Sex differences -- Sex offenders -- Sex roles -- Sex therapies -- Sexological testing -- Sexual abuse -- Sexual dysfunction disorders -- Sexual identity -- David Shakow -- Shaping -- William Herbert Sheldon -- Milicent Washburn Shinn -- Shyness -- Signal detection theory -- Significance level -- B. F. Skinner -- Sleep -- Sleep-wake disorders -- Smell -- Smoking behavior -- Social cognition -- Social competence -- Social influence -- Social learning theory -- Social media and social media studies -- Social perception -- Social psychology -- Socialization -- Somatotherapy -- Somnambulism -- Spatial memory -- Charles Edward Spearman -- Speech perception -- Speech-language pathology -- Janet Taylor Spence -- Kenneth w -- Spence -- Split-brain technique -- Benjamin Spock -- Sports psychology -- Stalking -- Standard error -- Standard progressive matrices (SPM) -- Standardized test -- Stanford-Binet intelligence scales -- Statistical significance -- Statistics in psychology -- Stereotype -- Robert J. Sternberg -- Stimulants -- Strange situation -- Stranger anxiety -- Stress -- Structuralism -- Subliminal influence -- Suicide -- Harry Stack Sullivan -- Superego -- Superstition -- Survey -- Synapse -- Systems psychology -- Tangential learning -- Taste -- Temperament -- Temporal motivation theory -- Lewis Terman -- Test anxiety -- Testing bias -- Thalamus -- Thematic apperception test -- Edward Thorndike -- Edward Chace Tolman -- Torture -- Touch -- Tourette syndrome -- Transactional analysis -- Transference -- Transpersonal psychology -- Twins -- Unconscious -- Unconscious motivation -- Underachiever -- Validity -- Violence -- Vision -- Vocational aptitude test -- Margaret Flot Washburn -- John Broadus Watson -- David Wechsler -- Wechsler intelligence scales -- Weight control -- Carl Wernicke -- Max Wertheimer -- Withdrawal behavior -- Joseph Wolpe -- Word association test -- Workplace violence -- Wilhelm Maximillian Wundt -- Robert M. Yerkes -- Edward F. Zigler -- Zone of proximal development.