In ΔWXY, w = 4.8 inches, x = 7.2 inches and y=9.3 inches. Find the measure of ∠W to the nearest degree.

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