Image Bizarreness in Incidental Learning

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Abstract
Previous experiments have suggested that, contrary to traditional recommendations, bizarre images are no better than commonplace images as aids to recall. This study, however, indicates that, when other variables are controlled, bizarreness has a strong effect on both immediate and delayed unexpected recall of sentences, whether bizarreness is judged by the experimenter or by each individual subject. Results are discussed in terms of motivation and interference.