Which exspession below below result in a positive integer ? please show work. A) (-5-1)x(-1x-1)

B) (-4)x(-5+1)

C) (-5)x(-6+3)

D) (6-3)x(-6+3

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