The misinformation effect is unrelated to the DRM effect with and without a DRM warning
The misinformation and Deese–Roediger–McDermott (DRM) paradigms are used to study forms of false memories. Despite the abundance of research using these two paradigms, few studies have examined the relationship between the errors that arise from them. In the present study,
160 participants completed a misinformation task and two DRM tasks, receiving a warning about the effect before the second DRM task. Participants demonstrated misinformation and DRM effects (with and without the warning), but susceptibility to these forms of false memory were not significantly
related across individuals. The DRM warning reduced the DRM effect, and signal detection analysis revealed that the DRM warning reduced a liberal response bias in this task. Sensitivity and response bias in both DRM tasks were not significantly related to these measures in the misinformation
task. These findings suggest that these two forms of false memories are not interchangeable and they appear to be the result of different cognitive processes.
Keywords: DRM effect; False memory; Misinformation effect
Document Type: Research Article
Affiliations: Department of Psychology, California State University San Marcos, San Marcos, CA, USA
Publication date: 15 March 2016
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