Subgroup Comparisons Are Done by

Subgroup comparisons are done by

A) dividing cases (subjects or respondents) into subgroups, describing each subgroup in terms of a given variable, and comparing those descriptions across subgroups.
B) dividing, describing, and comparing subgroups on independent and dependent variables.
C) analyzing the simultaneous relationships among several variables among subgroups.
D) dividing, describing, and comparing subgroups based on mean values.
E) multiplying subgroups based upon mean values.