Your colleague is trying to determine the effectiveness of a new anti-drug advertisement. She
asks one group of 60 people to complete a questionnaire on attitudes toward drug, then shows
the advertisement to all 60 people.
Afterward, she asks the participants to complete the survey
again. If she then finds a difference score between the pre- and post-advertisement
questionnaire scores and ranks the results, what test can she use to analyze the results?
A) chi-square test for two levels of a single nominal variable
B) Wilcoxon T Test
C) Mann-Whitney U Test
D) rank sums test
E) Kruskal-Wallis H Test
B
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In a single-blind study,
a. the experimenter does not know which groups participants are assigned to. b. the participants do not know which group they are assigned to. c. both the participants and the experimenter do not know which groups participants are assigned to. d. only an experimental group is used. e. a single rather than a double control group is used.
Which drug treatment program has a disease perspective?
A) Cognitive-behavioral therapy B) Alcoholics Anonymous C) Family systems therapy D) all of the above