Lerato makes a cushion. She uses 0,7 m of material to make a single cushion. calculate how much material Lerato use to make 3 cushions​

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