(Scenario III) Suppose each interviewee was asked to rate the extent to which illegal opioid drug use is a problem by using a 10-point scale where 0 = no problem and 10 = huge problem. Several years later, after a prevention program had been established, individuals were again asked to indicate how much of a problem opioid drug use is. Which type of test would be used to determine whether opioid drug perceptions changed?
A) a t-test
B) content analysis
C) an ANOVA
D) a correlation

Question

Quizplus · Accepted Answer

A t-test is appropriate for comparing the means of two related groups to determine if there is a significant difference between them, which fits the scenario of comparing perceptions before and after the prevention program.

(Scenario III) Suppose Each Interviewee Was Asked to Rate the Extent