Thinking TrapsUnderstand the patterns shaping your judgment
Cognitive Bias Categories

Social Biases

Social biases affect how we explain behavior, judge groups, follow authority, and protect our self-image.

01

Fundamental attribution error

Overexplaining others' behavior by character and underexplaining situation.

02

Actor-observer bias

Explaining your actions by context and others' actions by personality.

03

Self-serving bias

Taking credit for success and blaming outside causes for failure.

04

In-group bias

Favoring people who feel like part of your group.

05

Out-group homogeneity bias

Seeing outsiders as more alike than they are.

06

Halo effect

Letting one positive trait improve the whole judgment.

07

Horn effect

Letting one negative trait spoil the whole judgment.

08

Stereotyping

Applying group assumptions to an individual.

09

Prejudice bias

Judging through preexisting negative attitudes toward a group.

10

Authority bias

Giving extra weight to authority figures.

11

Bandwagon effect

Believing or doing something because many others do.

12

Groupthink

Suppressing doubts to preserve group harmony.

13

Conformity bias

Adjusting beliefs or behavior to match the group.

14

Social desirability bias

Saying what sounds acceptable rather than what is true.

15

False consensus effect

Overestimating how much others agree with you.

16

False uniqueness bias

Seeing your strengths or views as more unusual than they are.

17

Spotlight effect

Overestimating how much others notice you.

18

Transparency illusion

Overestimating how obvious your thoughts or feelings are.

19

Illusory superiority

Seeing yourself as above average too easily.

20

Impostor phenomenon

Discounting competence and fearing exposure as a fraud.

21

Moral credential effect

Using past goodness to excuse later questionable behavior.

22

Just-world hypothesis

Assuming people get what they deserve.

23

System justification bias

Defending existing systems because they feel normal.

24

Ultimate attribution error

Explaining out-group failures by character and successes by luck.

25

Hostile attribution bias

Interpreting ambiguous behavior as hostile.

26

Trait ascription bias

Seeing yourself as flexible and others as predictable.

27

Naive realism

Believing you see reality plainly and others are biased.

28

Bias blind spot

Noticing bias in others more easily than in yourself.

29

Third-person effect

Thinking media affects others more than it affects you.