Multiple-choice testing has both positive and negative consequences for performance on later tests. Prior testing increases the number of questions answered correctly on a later test but also increases the likelihood that questions will be answered with lures from the previous multiple-choice test (Roediger & Marsh, 2005). Prior research has shown that the positive effects of testing persist over a delay, but no one has examined the durability of the negative effects of testing. To address this, subjects took multiple-choice and cued recall tests (on subsets of questions) both immediately and a week after studying. Although delay reduced both the positive and negative testing effects, both still occurred after 1 week, especially if the multiple-choice test had also been delayed. These results are consistent with the argument that recollection underlies both the positive and negative testing effects.
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