The models of similarity comparison in the study of categorization in psychology included the Spatial Models, the Feature-based model of comparison and the structural alignment view of similarity.

• 近期归类的相似性对比模型的研究中，主要有以下几种理论模型：相似性对比的空间模型、基于特征的对比模型以及最近提出的相似性的结构匹配模型。