This study examined effects of intentional modifications on the retrieval of target sentence. In Experiment I, the subjects were allocated to one of three processing task conditions, i.e., they were required to (1) modify presented sentences with a phrase, (2) read aloud, or (3) memorize presented sentences. Following the aquisition phase, the subjects of each condition were allocated to two recall conditions: immediate recall and delayed recall. Recall conditions were in the order of free recall and cued recall. The results indicated that both free recall and cued recall in modifying sentence condition were better than those in reading aloud condition, and that it affected free recall and cued recall differently, when compared with memorizing condition. In Experiment II, the subjects under reading aloud or memorizing condition were presented with the sentences together with a phrase made by subjects in the Experiment I. Comparing modifying sentences condition in Experiment I with two conditions in Experiment II, the results indicated that phrase-generating process could have more beneficial effects on retrieval of target sentence.
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