Psychology Definitions

(Last Updated On: August 31, 2023)

Explore our growing collection of psychology terms and definitions.

A – B

Abnormal Psychology

Absolute Threshold

Accommodation

Action Potential

Actualizing Tendency

Acquisition

Autocratic Leadership

Attachment Theory

Barnum Effect

Behaviorism

Bias Blind Spot

Big 5 Personality Traits

C – D

Cardinal Traits

Case Study

Chunking

Classical Conditioning

Cognitive Bias

Cognitive Dissonance

Cognitive Psychology

Cohort Effect

Compassion

Conformity

Constancy Principle

Contingency Theory of Leadership

Democratic Leadership

Developmental Psychology

E – I

Emotional Intelligence

Expectancy Effects

Extraneous Variable

Factorial Design

Fundamental Attribution Error

Habituation

Humanistic Psychology

Imposter Syndrome

Ingroup Bias

Institutional Review Board

Intrinsic Motivation

Introvert

K – M

Keirsey Temperament Sorter

Kitty Genovese

Laissez-Faire Leadership

Leadership Styles

Likert Scale

Maslow’s Hierarchy of Needs

Mental Health

Mindset

Milgram Experiment

Multiple Intelligences

N – R

Nonverbal Communication

Observational Learning

Operant Conditioning

Organismic Valuing Process

Parenting Styles

Perfectionism

Personality Psychology

Piaget’s Stages of Cognitive Development

Positive Reinforcement

Practice Effects

Projection Bias

Psychoanalysis

Psychological Research Methods

Psychosocial Development

Random Assignment

Random Effects

Reinforcement

Resilience

S – Z

Scarcity Principle

Schedules of Reinforcement

Sensory Receptor

Shaping

Stimulus Generalization

Self-Actualization

Self-Efficacy

Serial Position Effect

Single-Blind Study

Social Learning Theory

Social Psychology

Stimulus Generalization

Transference

Type A Personality

Weber’s Law

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