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Related Experiment Videos

von Restorff revisited: isolation, generation, and memory for order.

M R Kelley1, J S Nairne

  • 1Department of Psychological Sciences, Purdue University, West Lafayette, Indiana 47907-1364, USA.

Journal of Experimental Psychology. Learning, Memory, and Cognition
|February 24, 2001
PubMed
Summary

Isolation enhances memory for order, with isolated items being better recalled. Generation effects on memory for order vary, depending on list composition. These findings inform memory models.

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Area of Science:

  • Cognitive Psychology
  • Memory Research

Background:

  • Previous research on isolation and memory for order yielded inconsistent results.
  • Understanding factors influencing memory for item order is crucial for cognitive theories.

Purpose of the Study:

  • To investigate the impact of item isolation on memory for order.
  • To examine how item generation influences memory for order.
  • To evaluate theoretical accounts of memory for order, including the feature model.

Main Methods:

  • Four experiments were conducted to test the effects of isolation and generation.
  • Experiments 1 and 2 manipulated item isolation.
  • Experiments 3 and 4 manipulated item generation within lists.

Main Results:

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  • Isolation significantly enhanced memory for item order, with isolated items being more accurately repositioned.
  • Generation's effect on memory for order was variable, potentially enhancing or disrupting recall based on list density.
  • A simplified feature model (Nairne, 1990) was proposed as a unifying explanation for isolation effects.

Conclusions:

  • Item isolation is a robust factor that improves memory for order.
  • Generation's influence on order memory is context-dependent.
  • The feature model offers a viable framework for understanding isolation effects in memory.