中文摘要：

采用自由分类法,以实龄相同的智力正常儿童为参照,考察低、中、高年级弱智儿童常见食物的概念结构,比较弱智儿童与正常儿童概念发展的异同。结果表明:弱智儿童的概念水平随着年龄增长而提高,概念联系类型由以SF联系为主向以分类学关系为主转变,概念发展趋势与正常儿童相同,但在速度和水平上却大大落后于正常儿童。教育与环境在弱智儿童的概念发展中起重要作用。

英文摘要：

Using the method of freely classification,this paper explores the relationship of common foods concept between mentally retarded(MR) children and normal ones.Results show that MR children s conceptual level improves with age.The relationship between foods concepts shifts from SF relation to taxonomic relation,which is the same as that of normal children.However,MR children falls behind normal children in terms of speed and level.The shift of SF relations to taxonomic relations results from cognitive develop...