Getting at the source of distinctive encoding effects in the DRM paradigm: Evidence from signal-detection measures and source judgments.

Glen Bodner, Mark Jordan Huff, R. W. Lamontagne, T. Azad

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Studying Deese–Roediger–McDermott (DRM) lists using a distinctive encoding task can reduce the DRM false memory illusion. Reductions for both distinctively encoded lists and non-distinctively encoded lists in a within-group design have been ascribed to use of a distinctiveness heuristic by which participants monitor their memories at test for distinctive-task details. Alternatively, participants might simply set a more conservative response criterion, which would be exceeded by distinctive list items more often than all other test items, including the critical non-studied items. To evaluate these alternatives, we compared a within-group who studied 5 lists by reading, 5 by anagram generation, and 5 by imagery, relative to a control group who studied all 15 lists by reading. Generation and imagery improved recognition accuracy by impairing relational encoding, but the within group did not show greater memory monitoring at test relative to the read control group. Critically, the within group’s pattern of list-based source judgments provided new evidence that participants successfully monitored for distinctive-task details at test. Thus, source judgments revealed evidence of qualitative, recollection-based monitoring in the within group, to which our quantitative signal-detection measure of monitoring was blind.

Original languageEnglish
Pages (from-to)642-655
Number of pages14
JournalMemory
Volume25
Issue number5
DOIs
Publication statusPublished - 2017

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