Cognitive Biases

CogBias

A practical cognitive-bias site with clear definitions, learning paths, assessments, self-audits, and debiasing tools.

Category

Recall

This group reshapes memory, retrieval, salience, and retrospective interpretation.

61 biases

Biases in this category

Use these side by side before deciding which label best fits the judgment failure you are seeing.

Poster illustration for Attentional bias

Attentional bias

The tendency of perception to be affected by recurring thoughts.

RecallInertia
Poster illustration for Bizarreness effect

Bizarreness effect

The tendency to remember bizarre or unusual material better than ordinary material.

RecallBaseline
Poster illustration for Boundary extension

Boundary extension

The tendency to remember a scene as having included more surrounding space than was actually shown.

RecallAssociation
Poster illustration for Childhood amnesia

Childhood amnesia

The retention of few memories from before the age of four.

RecallAssociation
Poster illustration for Consistency bias

Consistency bias

The tendency to remember past attitudes or behavior as more consistent with the present than they really were.

RecallAssociation
Poster illustration for Continued influence effect

Continued influence effect

Misinformation continues to influence memory and reasoning about an event, despite the misinformation having been corrected.

RecallInertia
Poster illustration for Contrast effect

Contrast effect

The enhancement or reduction of a certain stimulus's perception when compared with a recently observed, contrasting object.

RecallAssociation
Poster illustration for Cross-race effect

Cross-race effect

The tendency to distinguish faces of your own race more accurately than faces of other races.

RecallSelf-Perspective
Poster illustration for Cryptomnesia

Cryptomnesia

The tendency to mistake an old memory or borrowed idea for a new original thought.

RecallAssociation
Poster illustration for Cue-dependent forgetting

Cue-dependent forgetting

The tendency for recall to weaken when the original context or cues are missing.

RecallAssociation
Poster illustration for Declinism

Declinism

The predisposition to view the past favorably and the future unfavorably.

RecallOutcome
Poster illustration for Duration neglect

Duration neglect

The neglect of the duration of an episode in determining its value.

RecallAssociation
Poster illustration for Euphoric recall

Euphoric recall

The tendency of people to remember past experiences favorably while overlooking bad experiences associated with them.

RecallOutcome
Poster illustration for Fading affect bias

Fading affect bias

A bias in which the emotion associated with unpleasant memories fades more quickly than the emotion associated with pleasant ones.

RecallAssociation
Poster illustration for False memory

False memory

The tendency to mistake imagination, suggestion, or reconstruction for an actual memory.

RecallAssociation
Poster illustration for Frequency illusion

Frequency illusion

The tendency to notice something once and then feel as if it is suddenly everywhere.

RecallBaseline
Poster illustration for Generation effect

Generation effect

The tendency to remember self-generated information better than information supplied by others.

RecallSelf-Perspective
Poster illustration for Google effect

Google effect

The tendency to forget information that can be found readily online by using Internet search engines.

RecallAssociation
Poster illustration for Hindsight bias

Hindsight bias

The tendency after an outcome is known, to see it as having been more obvious or predictable than it actually was beforehand.

RecallOutcomePostmortems & learningForecasting & planning
Poster illustration for Humor effect

Humor effect

The tendency to remember humorous material more easily than comparable non-humorous material.

RecallAssociation
Poster illustration for Implicit association

Implicit association

The tendency for response speed to reflect how strongly ideas are linked in memory.

RecallAssociation
Poster illustration for Lag effect

Lag effect

The phenomenon whereby learning is greater when studying is spread out over time, as opposed to studying the same amount of time in a single session.

RecallAssociation
Poster illustration for Leveling and sharpening

Leveling and sharpening

The tendency for memories to lose some details while exaggerating others as they are retold over time.

RecallAssociation
Poster illustration for Levels-of-processing effect

Levels-of-processing effect

The tendency for deeper, more meaningful encoding to produce stronger memory than shallow encoding.

RecallAssociation
Poster illustration for List-length effect

List-length effect

A smaller percentage of items are remembered in a longer list, but as the length of the list increases, the absolute number of items remembered increases as well.

RecallBaseline
Poster illustration for Memory inhibition

Memory inhibition

Being shown some items from a list makes it harder to retrieve the other items.

RecallAssociation
Poster illustration for Misinformation effect

Misinformation effect

Memory becoming less accurate because of interference from post-event information.

RecallAssociation
Poster illustration for Modality effect

Modality effect

The tendency for the last items in a list to be remembered better when heard than when read.

RecallAssociation
Poster illustration for Negativity bias

Negativity bias

The tendency to give bad news, threats, criticism, and losses more psychological weight than equally sized positives.

Opinion ReportingRecallAssociationBaselineMedia & politicsTeams & management
Poster illustration for Next-in-line effect

Next-in-line effect

The tendency to remember less of the person who spoke just before one's own turn.

RecallAssociation
Poster illustration for Part-list cueing effect

Part-list cueing effect

The tendency for seeing some items from a list to make the remaining items harder to recall.

RecallAssociation
Poster illustration for Peak–end rule

Peak–end rule

The tendency to remember an experience mainly by its peak moment and its ending.

RecallAssociation
Poster illustration for Perky effect

Perky effect

The Perky effect, where real images can influence imagined images, or be misremembered as imagined rather than real.

RecallAssociation
Poster illustration for Persistence

Persistence

The tendency for traumatic memories to recur unwantedly after the event is over.

RecallAssociation
Poster illustration for Picture superiority effect

Picture superiority effect

The tendency to remember pictured information better than the same information presented only as words.

RecallAssociation
Poster illustration for Placement bias

Placement bias

The tendency to remember oneself as above average at strengths and below average at weaknesses.

RecallSelf-Perspective
Poster illustration for Positivity effect

Positivity effect

Older adults' tendency to favor good over bad information in their memories.

RecallAssociation
Poster illustration for Primacy effect

Primacy effect

The tendency to remember items at the beginning of a sequence especially well.

RecallBaseline
Poster illustration for Recency effect

Recency effect

A form of serial position effect where an item at the end of a list is easier to recall.

RecallBaseline
Poster illustration for Recency illusion

Recency illusion

The illusion that a phenomenon one has noticed only recently is itself recent.

RecallOutcome
Poster illustration for Reminiscence bump

Reminiscence bump

The recalling of more personal events from adolescence and early adulthood than personal events from other lifetime periods.

RecallAssociation
Poster illustration for Repetition blindness

Repetition blindness

Unexpected difficulty in remembering more than one instance of a visual sequence.

RecallAssociation
Poster illustration for Rosy retrospection

Rosy retrospection

The remembering of the past as having been better than it really was.

RecallOutcome
Poster illustration for Self-relevance effect

Self-relevance effect

The tendency to remember information better when it is connected to oneself.

RecallSelf-Perspective
Poster illustration for Serial position effect

Serial position effect

The tendency to remember items at the beginning and end of a sequence better than those in the middle.

RecallBaseline
Poster illustration for Social cryptomnesia

Social cryptomnesia

The tendency for societies to remember that change happened while forgetting who caused it and how.

RecallAssociation
Poster illustration for Source confusion

Source confusion

Episodic memories are confused with other information, creating distorted memories.

RecallAssociation
Poster illustration for Spacing effect

Spacing effect

The tendency to remember information better when exposure is spaced out over time.

RecallAssociation
Poster illustration for Stereotype memory bias

Stereotype memory bias

The tendency for memory or judgment to drift toward familiar social stereotypes.

RecallInertia
Poster illustration for Suffix effect

Suffix effect

Diminishment of the recency effect because a sound item is appended to the list that the subject is not required to recall.

RecallAssociation
Poster illustration for Suggestibility

Suggestibility

The tendency to absorb suggested details and later misremember them as one's own memory.

RecallAssociation
Poster illustration for Telescoping effect

Telescoping effect

The tendency to displace recent events backwards in time and remote events forward in time, so that recent events appear more remote, and remote events, more recent.

RecallAssociation
Poster illustration for Testing effect

Testing effect

The fact that one more easily recall information one has read by rewriting it instead of rereading it.

RecallAssociation
Poster illustration for Tip of the tongue

Tip of the tongue

The tendency to partly retrieve a memory while remaining unable to pull up the needed word or item.

RecallAssociation
Poster illustration for Verbatim effect

Verbatim effect

The tendency to remember the gist of what was said better than the exact wording.

RecallAssociation
Poster illustration for Von Restorff effect

Von Restorff effect

The tendency to remember an item better when it stands out from its surroundings.

RecallBaseline
Poster illustration for Zeigarnik effect

Zeigarnik effect

The tendency to remember unfinished or interrupted tasks better than completed ones.

RecallAssociation