Categorization and memory: Representation of category information increases memory intrusions

Abstract

False recognition of verbal information has long been established with word lists. Current research examines the phenomenon of false recognition with pictorial stimuli. Experiment 1 demonstrated that similar to word-lists, pictorially presented information elicits memory intrusions, and that rates of intrusions differ across stimuli sets. Experiment 2 investigated the effects of focusing on category-level versus item-specific information on the rates of false recognition. Results of Experiment 2 suggest that memory accuracy decreases dramatically when participants perform category-based processing compared to item-based processing. Experiment 3 confirmed that processing manipulations rather than other extraneous factors influence levels of false recognition in Experiment 2

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