A quilt is made of 15 red squares and 35 blue squares. Find the ratio, in lowest terms of: Someone help pls :D

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