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Related Experiment Videos

The effect of context variability on source memory.

Richard L Marsh1, Gabriel I Cook, Jason L Hicks

  • 1Department of Psychology, University of Georgia, Athens, GA 30602-3013, USA. rlmarsh@uga.edu

Memory & Cognition
|May 11, 2007
PubMed
Summary
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Low-context-variability (LCV) items improve recognition memory by enhancing source memory retrieval. This study found that LCV items lead to better recall of contextual details, aiding memory accuracy.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Memory Research

Background:

  • High-context-variability (HCV) items are processed in more semantic contexts than low-context-variability (LCV) items.
  • Previous research indicates LCV items offer a recognition memory advantage (Steyvers & Malmberg, 2003).

Purpose of the Study:

  • To investigate if the LCV advantage in recognition memory stems from enhanced source memory.
  • To examine the roles of context variability and word frequency in source monitoring.

Main Methods:

  • Manipulating both context variability (LCV vs. HCV) and word frequency (low vs. high).
  • Assessing source monitoring accuracy for different item types.

Main Results:

  • Recognition memory accuracy was superior for LCV items compared to HCV items.

Related Experiment Videos

  • Lower word frequency items also yielded better accuracy than high-frequency items.
  • Both context variability and word frequency significantly impacted source monitoring.

    • Conclusions:

    • The enhanced recognition memory for LCV items is partly attributed to improved retrieval of specific study context details.
    • Context variability influences memory at the retrieval stage by facilitating access to contextual information.