According to the Uniform Guidelines, test validation is essential only when selection devices produce ________

What area(s) does the manager or practitioner using process interventions deal with that are crucial to effective organization performance?

a. leadership styles of group members b. communications processes within a group c. group norms and whether they are helpful or dysfunctional d. roles which individual members play in a group e. all of the above

Michael's brother, Thomas, lives with Michael in his own home. Thomas has a full-time job and pays his brother for rent and utilities. Michael's filing status is

A) single. B) head of household. C) married, filing separately. D) a qualifying widow(er).