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Key Concepts in AP Psychology

May 9, 2025

AP Psychology Cram Sheet

Notable Psychologists

  • Wundt: "Father of Psychology," known for Introspection.
  • Wertheimer: Gestalt Psychology.
  • Titchner: Structuralism.
  • James: Functionalism.
  • Watson: Behaviorism, "Little Albert Study."
  • Freud: Psychoanalytic, dream analysis, personality structure, stages of development, defense mechanisms.
  • Milgram: Obedience and ethics.
  • Broca: Left frontal lobe, expressive language.
  • Wernicke: Left frontal lobe, receptive language.
  • Pavlov: Classical conditioning with dogs.
  • Thorndike: Instrumental learning, law of effect with cats.
  • Skinner: Operant conditioning with rats and pigeons, Behaviorism.
  • Tolman: Latent learning, cognitive maps.
  • Bandura: Observational learning, Bobo Dolls, Social-Cognitive Theory.
  • Ebbinghaus: Forgetting, Decay Model.
  • Chomsky: Inherent cognitive structures.
  • Whorf: Linguistic Relativity Hypothesis.
  • Jung: Collective unconscious, archetypes.
  • Horney: Basic childhood anxiety.
  • Erickson: Psycho-social development, life crises.
  • Adler: Inferiority Complex.
  • Piaget: Stages of Cognitive Development.
  • Rogers: Client-centered therapy, unconditional positive regard.
  • Ellis: Rational Emotive Therapy.
  • Maslow: Hierarchy of Needs.
  • Binet: I.Q. Testing.
  • Eysenck: Biological model of personality.
  • Harlow: Monkey studies on attachment.
  • Lorenz: Imprinting, "Survival of the Fittest."
  • Beck: Cognitive therapy for depression.
  • Murray: TAT, need to achieve.
  • Allport: Trait Theory.
  • Cattell: Crystallized and fluid intelligence.
  • Kelley: Personal Construct Theory.
  • Mishel: Social-learning theory.
  • Gilligan: Moral differences between genders, ethic of caring.

Psychological Perspectives

  • Behaviorism: Emphasizes learning and environmental influence.
  • Biological: Focus on physiology and genetics.
  • Cognitive: Studies mental processes.
  • Psychoanalytic: Focus on unconscious conflicts.
  • Humanistic: Emphasizes free will and inherent goodness.
  • Gestalt: Focuses on perception and organization.

Therapy & Treatment Methods

  • Psychoanalysis: Free association, dream analysis, transference.
  • Behavior Therapy: Systematic desensitization, flooding, aversion therapy.
  • Cognitive-Behavior Therapy: Restructuring invalid perceptions.
  • Humanistic Therapy: Client-centered approach, unconditional positive regard.
  • Biomedical Treatment: Psychosurgery, ECT, medication.

Experimentation Elements

  • Independent and dependent variables.
  • Confounding variables.
  • Experimental and control groups.
  • Subject and researcher bias.
  • Double-blind techniques and placebo effects.

Key Theories in Psychology

Development Theories

  • Piaget's Cognitive Development: Sensorimotor, Preoperational, Concrete Operational, Formal Operational stages.
  • Kohlberg's Moral Judgment: Preconventional, Conventional, Postconventional.
  • Erickson's Psychosocial Development: Stages from infancy to adulthood.
  • Kubler-Ross' Stages of Death: Denial, anger, bargaining, depression, acceptance.

Sensory and Perception Theories

  • Weber's Law: Just noticeable difference.
  • Young-Helmholtz Color Theory: Trichromatic theory.
  • Opponent-Process Color Theory: Antagonistic color pairs.

Memory and Learning

  • Thorndike's Law of Effect: Reward/punishment influences behavior.
  • Premack Principle: High-probability behavior as a reward.
  • Serial Position Phenomenon: Primacy and recency effects.

Motivation and Emotion

  • James-Lange Theory: Emotion from bodily changes.
  • Cannon-Bard Theory: Simultaneous emotional and physical responses.
  • Schachter's Theory: Combination of bodily changes and cognitive labeling.

Social Psychology Concepts

Social Influence

  • Conformity: Adopting behaviors under social pressure.
  • Social Norms: Shared behavioral standards.
  • Compliance Techniques: Foot-in-the-door, door-in-the-face, low-balling.
  • Obedience: Following authority.

Group Dynamics

  • Deindividuation: Loss of self-awareness in groups.
  • Groupthink: Prioritizing harmony over critical thinking.

Altruism & Bystander Effect

  • Bystander Intervention: Likelihood of helping decreases as the number of observers increases.
  • Social Facilitation & Loafing: Enhanced performance in presence of others; reduced effort in groups.
  • Risky Shift: Group decisions tend to be riskier.

Influential Studies

  • Zimbardo's Prison Study: Role influence.
  • Milgram's Obedience Study: Authority influence on obedience.
  • Festinger's Cognitive Dissonance: Balance between actions and beliefs.
  • Asch's Conformity Study: Influence of majority on individual decisions.