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Related Experiment Videos

Generation effect and frequency judgment in young and elderly adults

J C Brown1, J Niinikoski, L W Duke

  • 1Department of Psychology, University of Alabama, Birmingham 35294.

Experimental Aging Research
|April 1, 1993
PubMed
Summary

Generating words, compared to reading them, improves frequency judgments similarly in young and old adults. This generation effect, linked to semantic activation, was observed across different repetition levels and retention intervals.

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Area of Science:

  • Cognitive Psychology
  • Human Memory
  • Aging Studies

Background:

  • The generation effect describes how producing information enhances memory recall compared to merely reading it.
  • Understanding how age influences memory processes, particularly the generation effect, is crucial for cognitive science.

Purpose of the Study:

  • To investigate the impact of word generation versus reading on frequency judgments in young and old adults.
  • To examine the role of repetition and retention intervals on the generation effect across age groups.

Main Methods:

  • Two experiments were conducted involving young and old adults who either generated or read words multiple times.
  • Participants judged the frequency of the words they had encountered.
  • A 24-hour retention interval was introduced in the second experiment.

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Main Results:

  • Word generation, relative to reading, significantly increased the slope of frequency judgments for both age groups.
  • The effect of generation on frequency judgment slopes was comparable between young and old adults.
  • A 24-hour retention interval decreased the slope of frequency judgments but did not interact with age or generation efforts.

Conclusions:

  • The findings support a semantic activation explanation for the generation effect.
  • Frequency judgments appear to be based on familiarity, influenced by the depth of cognitive processing.
  • Age does not significantly moderate the generation effect in frequency estimation tasks.