Assessing the phenomenology of eyewitness memory for product identification.
Holmes, Amanda E.
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The effects of delay and misinformation on the phenomenological quality of subjects' memory for product brand identification were investigated in three experiments, elucidating the features of claimants' memory retrieval process for product brands during product liability lawsuits. Accuracy, confidence, and remember/know judgment for subjects' product brand identifications were assessed either 10 minutes or 1 week following a novel encoding condition. Both additive and contradictory misinformation reduced accuracy, particularly after a 1 week delay (Experiment 1). In Experiment 2, subjects were asked to make both RK judgments and confidence ratings for product brand recognition. Confidence and the proportion of "remember" judgments were positively correlated across all delay and misinformation conditions, most notably for false memories. When RK judgments were collected without confidence ratings, RK judgments themselves did not vary according to accuracy or delay (Experiment 3). Subjects largely interpreted the RK judgment as a dimension of confidence.