Recall of Massed and Distributed Items as a Function of the Number of Different Learning Cues.
NORTHWESTERN UNIV EVANSTON ILL
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One of the most consistent recent findings is that recall and recognition of items occurring two or more times within a single trial is higher following a distributed-practice schedule DP than following a massed-practice schedule MP. The reported experiment was an attempt to determine if the source of the facilitation of DP on recall could be specified. Each of 320 Ss was presented with a single paired-associate list in which pairs occurred once, twice, or three times, and response terms in repeated pairs were paired with either the same or different stimuli on each repetition. For half of the Ss, pairs were repeated according to a massed-practice schedule MP and for the other half repeated pairs occurred according to a distributed-practice schedule DP. The results are evaluated in terms of Bowers 1972 version of variable-encoding theory, and an analysis of the MP-DP effect in free recall is made. Modified author abstract