The ages of four cousins are consecutive integers. Let the integers equal n, n+1, n+2, n+3. The sum of their ages is 26. How old is each cousin?

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