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Updated: Dec 10, 2025

Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories
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Memory and representativeness.

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This summary is machine-generated.

Judgment by representativeness relies on memory retrieval ease. Contextual interference in memory causes probability assessments to be context-dependent, as shown in image-based experiments.

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Area of Science:

  • Cognitive Psychology
  • Memory Research
  • Decision Making

Background:

  • Judgment by representativeness is a cognitive heuristic.
  • Existing models do not fully account for memory's role in this judgment.

Purpose of the Study:

  • To propose and test a memory-based model of judgment by representativeness.
  • To investigate the influence of contextual interference on probability assessments.

Main Methods:

  • Developed a computational model where hypothesis probability depends on ease of instance retrieval.
  • Conducted a laboratory experiment using image groups with varying features.
  • Manipulated feature frequencies and cueing conditions to assess recall and probability judgments.

Main Results:

  • Decreasing a color's frequency in one image group increased its recalled frequency in another.
  • Cueing normatively irrelevant features led to different probability assessments.
  • Model calibration showed a good fit with experimental data.

Conclusions:

  • Judgment by representativeness is significantly influenced by memory retrieval processes.
  • Contextual interference in memory is a key mechanism driving context-dependent probability assessments.
  • The findings highlight the dynamic and context-sensitive nature of human judgment.