Case file
Misinformation Effect
- Filed under
- What Should We Remember
The charge
The misinformation effect is the distortion of memory after exposure to misleading post-event information. Later descriptions can alter what people believe they originally saw or experienced.
How it operates
Recall is reconstructive, so new information presented after an event can be integrated into the memory trace. Once incorporated, the altered version may feel like direct recollection rather than later contamination.
Logged incidents
- Incident 01
After a launch review frames a bug as a payment issue, team members later remember seeing payment failures even though the real issue was account verification.
- Incident 02
A recruiter hears another interviewer describe a candidate as defensive and later recalls the candidate's neutral answers as defensive too.
- Incident 03
An investor memo using dramatic language changes how partners later remember a founder meeting.
What to watch for
Notice whether your memory changed after reading summaries, Slack threads, or others' retellings. Ask: "What did I remember before I heard the later description?"
Recommended action
Capture independent recollections first and avoid leading post-event summaries. In investigations and postmortems, separate first-hand observations from later interpretations.
Known associates
- Peak-End RuleThe peak-end rule is the tendency to judge an experience mainly by its most intense moment and how it ended,…
- Leveling and SharpeningLeveling and sharpening describes how memories and retellings simplify some details while exaggerating others.
- Serial-Position EffectThe serial-position effect is the overall tendency to remember items at the beginning and end of a sequence…
- Duration NeglectDuration neglect is the tendency to pay too little attention to how long an experience lasted when later…
- Modality EffectThe modality effect is the tendency for memory performance to differ depending on whether information is…
- Memory InhibitionMemory inhibition refers to the suppression or reduced accessibility of some memories when others are…
Source of record