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Rethinking Familiarity: Remember/Know Judgments in Free Recall
Laura Mickes1, Travis M Seale-Carlisle, John T Wixted
1Department of Psychology, University of California, San Diego.
Journal of Memory and Language
|May 3, 2013
Summary
Know judgments in free recall may represent cue-dependent retrieval of item-only information from episodic memory. This finding could resolve debates on the hippocampus
Area of Science:
- Cognitive Psychology
- Neuroscience
Background:
- The Remember/Know procedure is common in recognition tasks but less studied in free recall.
- Know judgments in free recall are frequent but their meaning is debated.
Purpose of the Study:
- To investigate the nature of Know judgments in free recall.
- To explore the relationship between Know judgments, source memory, and episodic retrieval.
Main Methods:
- A source memory/free-recall procedure was employed.
- Participants recalled words and provided confidence ratings, Remember/Know judgments, and source details.
Main Results:
- High confidence and accuracy were observed for both Remember and Know judgments.
- Source memory was significantly higher for Remember judgments than for Know judgments.
- Temporal recall dynamics were similar for high-confidence Remember and Know judgments.
Conclusions:
- Know judgments in free recall may reflect cue-dependent retrieval of item-only information.
- This interpretation aligns with findings in recognition tasks.
- The results may offer a resolution to debates concerning the hippocampus' role in recollection and familiarity.
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