Individual Difference of Working Memory Strategy in Japanese Reading Span Test

[Speaker] Tokimoto, Naoko:1
[Co-author] Tokimoto, Shingo:2
1:Shobi University (Japan), 2:Mejiro University (Japan)

We examined the individual difference of working memory strategy by Japanese Reading Span Test (JRST). We divided 117 participants into three groups according to their total scores of JRST. A decision tree analysis was performed for the production of each target word (correct or wrong) with Total Score Groups, Number of Sentences in the Trial (NST), Sequential Number (SN) of the stimulus sentence and Reverse Sequential Number (RSN) of the sentence in the trial as independent variables. While the effects of NST and RSN were significant for high-score group with the former to be greater than the latter, they were significant in low-score group with the latter to be greater than the former. In middle-score group, the significant effect of NST was greater than that of SN. These results suggests that the priority of driving principles in memory strategy differs depending on the capacity of a participant.
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