Testing during study insulates against the buildup of proactive interference |
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Authors: | Szpunar Karl K McDermott Kathleen B Roediger Henry L |
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Affiliation: | Department of Psychology, Washington University in St. Louis, St. Louis, MO 63130, USA. karl.szpunar@wustl.edu |
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Abstract: | Recent interest in the benefits of retrieval practice on long-term retention--the testing effect--has spawned a considerable amount of research toward understanding the underlying nature of this ubiquitous memory phenomenon. Taking a test may benefit retention through both direct means (engaging appropriate retrieval processes) and indirect means (fostering directed study). Here the authors report 4 experiments demonstrating a novel benefit of testing. Extended study sessions cause a buildup of proactive interference, but interpolating tests during the study sequence insulates against this negative influence. These findings highlight a unique benefit of testing and have important implications for study strategies. |
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