【摘要】 联结分布模型可以较好地描述个体策略选择过程 ,在众多策略选择模型中很具有代表性。该模型能较好地解释儿童加法策略选择机制及天才儿童、一般儿童和数学障碍儿童在解决简单加法问题中表现出的差异。决定个体进行策略选择的因素是一问题与个体头脑中关于该问题的所有可能答案的联结分布状况。天才儿童使用检索策略的频率、正确率比其余两组儿童高 ;使用支持性策略的频率比其余两组儿童低。这得益于他们长时记忆中的组织良好的基本加法事实网络更多还原

【Abstract】 As a good representative among the str ategy choice models, the distribution model of association can explain strategy choice progress and the differences of three kinds of children in the process ve ry well. They are intelligent children, normal children and MD children. The fac tor deciding the additional strategy use lies in the distribution condition of a question and its likely answers. The intelligent children’s frequency and corr ect rate of retrieving strategy is higher than that of their peers; on contrary, their frequency of backup strategy is lower than that of their peers. This is p artly because of their well organized basic addition fact in their long time mem ory.更多还原