Johnson A F, Shelton R L, Arndt W B
J Speech Hear Res. 1982 Jun;25(2):162-6. doi: 10.1044/jshr.2502.162.
Cluster analysis was used to identify two homogeneous clusters of 8-9 1/2-year-old children who misarticulated /s/, /r/, or both. The analysis was based on the children's scores on 40 measures of language, reading, auditory processing, and other variables. Discriminant function analysis was then used to identify a subset of five measures and a means of computing classification scores. These measures and the classification scores can be used to identify the cluster membership of new subjects. The use of classification scores for identifying cluster membership was cross-validated against cluster analysis of a second group of children. The two clusters are described in terms of their performance on language and reading measures.
聚类分析用于识别两组发音错误的8至9.5岁儿童，这些儿童在发/s/、/r/或两者发音时存在错误。该分析基于儿童在40项语言、阅读、听觉处理及其他变量上的得分。然后使用判别函数分析来确定五项指标的子集以及计算分类分数的方法。这些指标和分类分数可用于识别新受试者所属的类别。通过对另一组儿童进行聚类分析，对使用分类分数来识别类别归属进行了交叉验证。根据两组儿童在语言和阅读指标上的表现对这两个类别进行了描述。
