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本实验用Sternberg 的变化字表法以汉言双字词为材料研究短时记忆中单范畴字表与双范畴字表的信息提取。结果为,无论有无策略要求均未发现双范畴字表提取的反应时小于单范畴字表的范畴效应。但双范畴字表的准确率均高于单范畴字表。这种结果与文献所载结果不同。作者提出短时记忆的范畴效应不仅可表现在信息提取的反应时上,也可表现在提取的准确率上,并讨论了产生这种效应的原因。
In this study, Sternberg’s variant word list method was used to study the information extraction of single-category word list and double-category word list in short-term memory using Chinese double words as the material. As a result, no matter whether the strategy requirements are found, the response time of the two-category wordlist extraction is less than the category effect of the single-category wordlist. However, the accuracy of double-type word lists is higher than that of single-type word lists. This result is different from the one contained in the literature. The author proposes that the category effect of short-term memory can not only be reflected in the response time of information extraction, but also in the accuracy of extraction, and the reasons for this effect are discussed.