9) John bought a pair of shoes that normally costs $79, but was on sale for 15% off. Sales tax was 8.25%. What was the total cost for the pair
of shoes?

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