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通过对105名7至16岁的中重度智力落后儿童进行的“长”、“短”形容词词义掌握情况进行的实验研究,结果表明:(1)3个年龄组中重度智力落后儿童对成对相同物品和成对相似物品“长”和“短”的词义基本能够掌握。但对相同物品排列长短,只有14至16岁组智力落后儿童能熟练掌握。(2)中重度智力落后儿童对难度不同的任务的判断正确率随着实验难度的增加而降低。(3)14至16岁年龄组中重度智力落后儿童对相同物品长短排列的熟练掌握方面表现出快速增长。
Through the experimental study on the semantic meaning of “long” and “short” adjectives of 105 children with mental retardation between 7 and 16 years old, the results show that: (1) the severe mental retardation in the three age groups Children can basically grasp the meaning of pairs of the same items and pairs of similar items “long ” and “short ”. However, the same items arranged in length, only 14 to 16-year-old group of children with mental retardation can master. (2) The correct rate of judging different difficult tasks of moderate-severe mental retardation children decreases with the increase of experimental difficulty. (3) The children with severe mental retardation in the age group of 14 to 16 years old showed rapid growth in the mastery of the length of the same items.