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Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories
08:53

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Published on: November 14, 2018

The imagery effect and frequency discrimination.

G D Goedel1, C A Thomas

  • 1Department of Psychology, State University of New York, College at Geneseo, 14454, Geneseo, New York.

Memory & Cognition
|February 19, 2011
PubMed
Summary
This summary is machine-generated.

This study on word frequency discrimination found that relative differences, not absolute ones, matter most. Abstract words showed a bias, improving performance when they were the more frequent choice.

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Area of Science:

  • Cognitive Psychology
  • Psycholinguistics
  • Memory Research

Background:

  • Understanding how word frequency influences memory and decision-making is crucial in cognitive psychology.
  • Previous research has explored frequency discrimination but often overlooked the interplay between word abstractness and subjective frequency judgments.

Purpose of the Study:

  • To investigate how relative frequency differences, rather than absolute frequency, affect word pair discrimination.
  • To examine the influence of word concreteness (abstract vs. concrete) on subjective frequency bias.
  • To explore the role of imagery instructions in modulating frequency discrimination and subjective biases.

Main Methods:

  • Presented 300 nouns (varying in frequency and concreteness) at a 1-sec rate to 144 participants.
  • Administered imagery or non-imagery instructions during word presentation.
  • Tested participants on 72 word pairs (homogeneous/heterogeneous concreteness) to identify the more frequent word.

Main Results:

  • Frequency discrimination depended on relative frequency differences between pair members, not absolute values.
  • A subjective frequency bias favored abstract words; performance was best when the more frequent word was abstract.
  • Imagery instructions potentially enhance discriminability of subjective relative frequency differences.

Conclusions:

  • Relative frequency differences are key determinants in frequency discrimination tasks.
  • Abstract words exhibit a distinct subjective frequency bias, impacting performance.
  • Imagery may enhance the perception of relative frequency differences, potentially explaining its general effect in verbal learning.