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Suggestibility Bias

Also Known As: Suggestibility bias Misinformation acceptance
Cognitive Bias ID: suggestibility

Definition

The tendency to incorporate information from external sources into one's own memory or judgment, particularly when the information comes from authoritative or trusted sources. Leading questions, social pressure, and repeated assertions can all alter what a person believes they remember or know. This makes memory more malleable than most people realize.

Examples

An eyewitness to a car accident is asked 'How fast were the cars going when they smashed into each other?' versus 'How fast were the cars going when they contacted each other?' The word 'smashed' leads to higher speed estimates and even false memories of broken glass that was not present.

After a political rally, an interviewer asks supporters, 'What did you think of the candidate's powerful speech?' Rather than evaluating the speech independently, many respondents describe it as powerful and energetic, having absorbed the framing from the question itself.

A doctor mentions to a patient, 'Some people find this medication causes mild fatigue — have you noticed that?' The patient, who had not previously reported any fatigue, begins to recall feeling unusually tired in recent days and confirms the symptom.

Verification Steps
Verification Steps
Binary yes/no questions that an AI must answer to detect a reasoning pattern in a text.
Each of the 452 aspects has verification steps — simple yes/no questions designed to systematically detect whether a pattern appears in a text. For ad hominem: "Does the argument attack a person rather than their claim?" For false dichotomy: "Are only two options presented when more exist?" This ensures consistent, reproducible analysis.

Binary (yes/no) questions an LLM must answer to identify this aspect:

  1. 1

    Were leading questions or suggestions present before the memory was reported?

    Type: binary
  2. 2

    Could the recalled details have been implanted by external suggestion?

    Type: binary
  3. 3

    Would the memory differ without prior prompting or suggestion?

    Type: binary
Deep Dive
The expandable detail section on each aspect page with examples, psychology, and counter-strategies.
The Deep Dive section provides in-depth information about each aspect: a real-world example showing the pattern in action, an explanation of why it works psychologically, practical advice on how to counter it, alternative names, and links to related aspects.

Hierarchical Context