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Abstract: The article presents a comparative study of the development of the faculties of memory of children, aged 9 and 11, of the Han, Sala, Hui, Mongolian, Tu and Tibetan nationalities living in nine different regions of the Qinghai Plateau. The indicators include cognition speed, memory scope, recollection of pictures and association memory.The study indicates that the faculties of memory of the children among the Han, Sala and Hui nationalities show no distinctive differences, whereas the faculties of memory of the children of these three nationalities and that of the Mongolian, Tu and Tibetan children bear marked dissimilarity. Also, facuities, of memory between the children of the Mongolian, Tu and Tibetan nationalities show marked distinctions, which stem from differences in their cultural relations with other nationalities in the past, their geographical and economic environments, their language facility and, most importantly, their educational backgrounds which exert a direct influence on the development of the children's memory.The result of the research also shows that there are certain common characters between the nationalities under study in the development of the children's faculties Of memory.

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