Transient "long-term" recency in single-trial free recall

概要

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Thirty-two subjects were tested in an experiment designed to investigate recency curves in single-trial free recall. One group of subjects was presented with five lists of common English words; the first four lists for delayed recall and the fifth for unexpected immediate recall. The second group was treated the same way except that following the fifth list two additional lists were presented for immediate recall. At the completion of all the recall tests and a distractor task, both groups were given an unexpected final recall test. In the final recall of the fifth list, positive recency was maintained by the first group whereas negative recency was produced by the second. These results seemed to indicate that given elaborative encoding of recency items, long-term recency may be obtained but that it may be so transient as to be wiped out by processing of additional lists. It was concluded that if initially tested in an immediate test, recency items would become less recallable than prerecency items in final recall, regardless of how deeply they were processed at encoding.
公益社団法人日本心理学会の論文