Tests of a Cognitive-Resource-Allocation Account of the Bizarreness Effect

Abstract The authors examined the role of cognitive-resource allocation in obtaining the often reported memory advantage for bizarre relative to common information by using the secondary-task method in 4 experiments. In Experiments 1 and 2, they investigated the relationship between differences in cognitive resource allocation during comprehension and in recall for common and bizarre information. In Experiments 3 and 4, they investigated the same relationship but measured cognitive-resource allocation during imaging rather than during comprehension. Although bizarre items required more time to comprehend and to image than did common items, the differences were not reliable predictors of the recall differences between item types. Furthermore, analyses of response latencies to a secondary task provided no compelling evidence in support of a cognitive-resource-allocation explanation of bizarreness effects. Implications for the development of a comprehensive model of the influence of bizarreness on memory are discussed.

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