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通过对类别学习中的阻碍效应进行系统研究,尝试性地提出了类别学习的双机制理论。三个实验分别考察:样例特征随机呈现时;定义特征固定呈现在样例首位时;以及刺激材料为知觉图形类别时,类别学习中的阻碍效应。三个实验的研究结果都发现:在类别学习中存在一定程度的阻碍效应,支持类别学习同时存在联结学习机制和认知学习机制的双机制观点。
By systematically studying the obstruction effect in category learning, tentatively put forward the double mechanism theory of category learning. The three experiments examined separately: the sample features were randomly presented; the defined features were fixed at the top of the sample; and the impeding effect on category learning when the stimulus material was a perceived graphic category. The results of the three experiments show that there is a certain degree of hindering effect in the category learning, and support for double-mechanism viewpoint that the category learning has both the joint learning mechanism and the cognitive learning mechanism.