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The importance of material-processing interactions in inducing false memories.
Jason C K Chan1, Kathleen B McDermott, Jason M Watson
1Department of Psychology, Washington University, Campus Box 1125, St. Louis, MO 63130-4899, USA. ckchan@wustl.edu
Memory & Cognition
|September 15, 2005
Summary
Deep encoding increases false memories, but this effect is limited. Attending to phonological word relations, not just meaning, enhances false memory creation in the Deese/Roediger-McDermott (DRM) paradigm.
Area of Science:
- Cognitive Psychology
- Memory Studies
Background:
- Deep encoding typically increases false memories in the Deese/Roediger-McDermott (DRM) paradigm.
- Existing theories explain false memory mechanisms based on encoding depth.
Purpose of the Study:
- To investigate limitations on the generalizability of deep encoding's effect on false memories.
- To test if encoding task (phonological vs. semantic) influences false memory susceptibility.
Main Methods:
- Two experiments were conducted using the Deese/Roediger-McDermott (DRM) paradigm.
- Participants were instructed to attend to either phonological or semantic relations among word lists.
- False recall and recognition of non-presented associates were measured.
Main Results:
- Attending to phonological relations increased false recall and recognition of phonologically associated words.
- A semantic encoding task enhanced false memory for semantically associated words, replicating prior findings.
- Encoding task significantly moderated the effect of word association type on false memory.
Conclusions:
- The phenomenon of deep encoding increasing false memories has important limitations.
- Phonological encoding can enhance false memories, especially with phonologically associated word lists.
- Findings constrain theoretical explanations of false memory mechanisms in the Deese/Roediger-McDermott (DRM) paradigm.