| 记忆搜索速度对短时记忆一生发展的影响研究 |
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| 引用本文： | 王晓丽,陈国鹏. 记忆搜索速度对短时记忆一生发展的影响研究[J]. 心理科学, 2006, 29(5): 1211-1214 |
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| 作者姓名： | 王晓丽 陈国鹏 |
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| 作者单位： | 华东师范大学心理学系,上海,200062 |
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| 基金项目： | 华东师范大学211项目“认知过程和认知发展”资助 |
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| 摘 要： | 以横断研究方法探讨一生发展中搜索速度对短时记忆容量的影响。以记忆广度任务和斯腾伯格任务分别测量6~70岁被试短时记忆容量与记忆搜索速度。结果发现:记忆广度在16岁达到最高峰,以后开始下降;一生的不同阶段,斯腾伯格任务中成功搜索的加工过程基本一致,但搜索速度一直在发展;搜索速度可能是贯穿短时记忆发展一生的影响因素。
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| 关 键 词： | 一生发展 短时记忆 搜索速度 |
The Effect of Memory Searching on the Life-span Development of STM Capacity |
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| Wang Xiaoli,Chen Guopeng. The Effect of Memory Searching on the Life-span Development of STM Capacity[J]. Psychological Science, 2006, 29(5): 1211-1214 |
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| Authors: | Wang Xiaoli Chen Guopeng |
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| Affiliation: | Department of Psychology, East China Normal University, Shanghai, 200062 |
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| Abstract: | A cross-sectional study was conducted to explore the effect of searching rate on the life-span development of STM capacity.120 participants aged from 6 to 70 were involved in this study.The digit span and searching rate of each participant was measured.The results showed that digit span increased with age in childhood and peaked at the age of 16,and then decreased;all participants showed a serial scanning process in successful trials in the Sternberg task,and the searching rate varied across all age groups.Regression analysis showed that the developmental variance of searching rate could account for 50 percent of variance of life-span STM capacity. |
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| Keywords: | life-span development STM searching rate |
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