Polivy and others conducted a series of studies in which participants tasted ice cream. These studies looked at the participants' tendency to

Which of the following describes an avoidant attachment style?

a. A person who finds it relatively easy to get close to others. b. A person who worries that their partner doesn't really love them. c. A person who wants to merge completely with another person. d. A person who has difficultly trusting others.

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