Consider the diagram below with paralel lines P and M. C
D
B
t
Which sets of points are considered to be coplanar?

A E And A
B E And C
C D And B
D C And A

Kilgore trout creates a new scale to diagnose depression. however, his scale only assesses one symptom of depression while ignoring others. which of the following is his new scale most likely lacking? a) test-retest reliability b) discriminant validity c) criterion validity d) alternate-forms reliability e) content validity f) none of the above