Which Is True of Factor Analysis? Select All That Apply

Which is true of factor analysis? Select all that apply.

A) It is particularly appropriate for establishing whether two measures of constructs that theoretically should be related are actually related.
B) It is a common method for establishing the construct validity of an outcome.
C) It is used to determine whether items on the questionnaire are related to each other and form groups of questions that are logically meaningful.
D) It is particularly appropriate for outcomes that include multiple items to establish them as meaningful constructs.