Author Question: Studies that demonstrate a relationship between one's current level of stress and future chances of ... (Read 237 times)

iveyjurea · **on:** Jun 20, 2018

Studies that demonstrate a relationship between one's current level of stress and future chances of heart disease would be concerned mostly with which goal of science?

a. description
b. prediction
c. understanding
d. application

Question 2

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