To use cluster analysis for clustering variables to identify homogeneous groups, the researcher could do all of the following except .
A) using the correlation coefficient as a measure of similarity between variables
B) using the variables as the units of analysis
C) inserting communalities in the diagonal of the correlation matrix
D) both A and B

Question

Quizplus · Accepted Answer

Communalities are used in factor analysis, not in cluster analysis. Cluster analysis typically uses correlation coefficients or other similarity measures to group variables.

To Use Cluster Analysis for Clustering Variables to Identify Homogeneous