Widening the boundaries of the production effect |
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Authors: | Noah D. Forrin Colin M. MacLeod Jason D. Ozubko |
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Affiliation: | Department of Psychology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, N2L 3G1, Canada, nforrin@uwaterloo.ca. |
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Abstract: | Words that are read aloud are more memorable than words that are read silently. The boundaries of this production effect (MacLeod, Gopie, Hourihan, Neary, & Ozubko, Journal of Experimental Psychology: Learning, Memory, and Cognition, 36, 671-685, 2010) have been found to extend beyond speech. MacLeod and colleagues demonstrated that mouthing also facilitates memory, leading them to speculate that any distinct, item-specific response should result in a production effect. In Experiment 1, we found support for this conjecture: Relative to silent reading, three unique productions-spelling, writing, and typing-all boosted explicit memory. In Experiment 2, we tested the sensitivity of the production effect. Although mouthing, writing, and whispering all improved explicit memory when compared to silent reading, these other production modalities were not as beneficial as speech. We argue that the enhanced distinctiveness of speech relative to other productions-and of other productions relative to silent reading-underlies this pattern of results. |
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