The changeable relationship between working memory and fluid intelligence in different ages

[Speaker] Ma, Liang:1
[Co-author] Zhou, Renlai:1,2,3, Chen, Xiaoying:1
1:School of Psychology, Beijing Normal University (China (People's Republic of China)), 2:Department of Psychology, School of Social and Behavior Sciences, Nanjing University (China (People's Republic of China)), 3:Center for Experimental Social and Behavioral Research of Jiangsu Province (Nanjing University) (China (People's Republic of China))

The aim of the present study was to investigate the relationship between working memory and fluid intelligence in different ages. We recruited 115 college students and 197 junior high school students to participate a battery of working memory tests which are based on the Baddeley's model of working memory and Raven's Progressive Matrices(RPM) which represented their fluid intelligence. The results of multiple linear regression showed that working memory capacity tasks accuracy predicted RPM performance in the college students group, but as for the juniors, their RPM performance is predicted by working memory executive function tasks accuracy. The findings indicated that the intelligence of children may mainly rely on information processing which is represented by the central executive function of working memory, whereas the intelligence of young adults may mostly rely on the storage of information which is reflected by working memory capacity.
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