Abstract: The author and his colleagues participated in the CAS-NAS jointconference on cognitive pychology held in the U. S. in August/Septemb-er, 1983. The group visited 17 research institutes and organizations inthat courttry. This article is a brief account of the research work done inthe United States on metacognition, cognitive problems in learning ofmathematics and natural science subjects, reading, social-cognitiondevelopment, infant, study and the application of computer to psychologicalstudies.

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