Theory Index

All of our psychological theories in a single place

Decision making

A

  • Affect Heuristic
  • Ambiguity effect
  • Anchoring
  • Anthropocentric thinking
  • Antropomorfism
  • Attentional bias
  • Automation bias
  • Availability cascade
  • Availability heuristic

B

  • Backfire effect
  • Bandwagon effect
  • Base rate fallacy
  • Belief bias
  • Ben Franklin effect
  • Berkson's paradox
  • Bias blind spot
  • Bottom-dollar effect
  • Bounded Rationality
  • Bundling Bias
  • Bye-Now effect

C

D

E

  • Ego depletion
  • Egocentric bias
  • Empathy gap
  • Endowment effect
  • Entourage effect
  • Equivalence framing

F

  • Facial distraction
  • Facilitating triggers
  • Familiarity bias
  • Fear appeal
  • Feed forward
  • Focusing effect
  • Forer effect (Barnum effect)
  • Form function attribution bias
  • Framing effect
  • Frequency illusion or Baader–Meinhof effect
  • Fresh start effect
  • Functional fixedness

G

  • Gambler's fallacy
  • Gaze cueing
  • Goal-Gradient effect
  • Groupthink

H

I

  • IKEA effect
  • Identifiable victim effect
  • Illusion of control
  • Illusion of validity
  • Illusory correlation
  • Illusory truth effect
  • Impact bias
  • Implicit-association test
  • Inaction-Inertia effect
  • Information bias
  • Ingroup bias
  • Insensitivity to sample size
  • Interoceptive bias

L

  • Labor-love effect
  • Law of distraction
  • Law of the instrument
  • Less-is-better effect
  • Liking Principle
  • Look-elsewhere effect
  • Loss Aversion

M

  • Mental accounting
  • Mere-exposure effect
  • Mere-exposure effect
  • Money illusion
  • Money omission
  • Motivating-uncertainty effect

N

  • Need for meaning
  • Negativity bias
  • Neglect of probability
  • Noble-edge effect
  • Normalcy bias
  • Nostalgia effect
  • Not invented here

O

  • Observer-expectancy effect
  • Omission bias
  • Optimism bias
  • Ostrich effect
  • Outcome bias
  • Overconfidence effect

P

  • Paradox of Choice
  • Pareidolia
  • Parkinson's law of triviality
  • Peak-end rule
  • Peltzman effect
  • Pelzman effect
  • Perceptual incongruence
  • Pessimism bias
  • Picture superiority effect
  • Planning fallacy
  • Positivity effect
  • Post-purchase rationalization
  • Present-focus bias
  • Primacy effect
  • Pro-innovation bias
  • Processing difficulty effect
  • Projection bias
  • Pseudocertainty effect
  • Pygmalion effect

R

  • Reactance
  • Reactive devaluation
  • Recency illusion
  • Reciprocity
  • Reflection effect
  • Regressive bias
  • Regret aversion
  • Response efficacy
  • Restraint bias
  • Rhyme as a reason
  • Risk compensation (Peltzman effect)

S

  • Salience bias
  • Scarcity Principle
  • Selection bias
  • Selective perception
  • Self-consistency
  • Self-efficacy
  • Self-relevance effect
  • Semmelweis reflex
  • Shared information bias
  • Singularity effect
  • Social-comparison bias
  • Social-default bias
  • Sparking triggers
  • Status quo bias
  • Stereotype
  • Subaddivity
  • Sunk cost fallacy
  • Surrogation
  • Survivorship bias

T

  • Temptation coupling
  • Third-person effect
  • Time-saving bias
  • Trivialisation effect

V

  • Visual Cueing Effect
  • Visual fluency
  • Von Restorff effect

Y

  • Yerkes-Dodson law

Z

U

  • Unit bias

W

  • Weber–Fechner law
  • Well travelled road effect
  • Women are wonderful effect

Memory biases

B

  • Bizarreness effect

C

  • Choice supportive bias
  • Choice-supportive bias
  • Chunking
  • Conservatism
  • Consistency bias
  • Context effect
  • Cross-race effect
  • Cryptomnesia

F

  • Fading affect bias
  • False memory
  • Front-loading

G

  • Google effect

H

  • Hindsight bias
  • Humor effect

I

  • Illusion of truth effect

L

  • Lag effect
  • Levels-of-processing effect
  • List-length effect

M

  • Misinformation effect
  • Modality effect
  • Mood-congruent memory bias

P

R

  • Reminiscence bump
  • Rosy retrospection

S

  • Self-generation effect
  • Source confusion
  • Spacing effect
  • Spotlight effect
  • Stereotypical bias
  • Suffix effect
  • Suggestibility

T

  • Tachypsychia
  • Telescoping effect
  • Testing effect
  • Tip of the tongue phenomenon
  • Travis Syndrome

Z

  • Zeigarnik effect

N

  • Next-in-line effect

V

  • Verbatim effect

A

  • Attribute substitution

Social biases

B

  • Belongingness & Conformity

C

  • Country of Origin-effect

F

  • False consensus effect
  • False uniqueness bias
  • Fundamental Attribution Error

G

  • Group Attribution

I

  • Illusion of asymmetric insight
  • Illusion of external agency
  • Illusion of transparency
  • Illusory superiority
  • Ingroup bias

N

  • Naïve cynicism
  • Naïve realism

O

  • Outgroup homogeneity bias

S

  • Self-serving bias
  • Shared information bias
  • Social Proof Principle
  • System justification

D

  • Defensive attribution hypothesis
  • Domestic country bias

M

  • Mimicry
  • Moral luck

W

  • Weather effect
  • Worse-than-average effect

A

E

  • Egocentric bias
  • Extrinsic incentives bias

J

  • Just-world hypothesis

T

  • Trait ascription bias

U

  • Ultimate attribution error

R

UX Laws

H

L

Z

  • Zeigarnik effect

Pricing tactics

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