Refer to the previous exercise about the study of different HIV intervention programs. Suppose that the observed
Question:
a. The expected cell counts: Increase Decrease Stay the same
b. The chi-square statistic: Increase Decrease Stay the same
c. The p-value: Increase Decrease Stay the same
d. Would the evidence in support of an association between type of HIV intervention program and consistent condom usage among adolescents such as the ones in the study be stronger or weaker compared to the original study? Explain how you are deciding.
Data from previous exercise
Data from previous exercise
Researchers Jemmott III et al. (Journal of American Medical Association, 1998) reported a study in which a group of inner-city African American adolescents from Philadelphia were randomly divided into three groups as part of an experiment to assess the effectiveness of different HIV prevention programs. One group was given abstinence HIV intervention, the next group was given safer-sex HIV intervention, and the third group was given health promotion intervention, which was to serve as a control. One outcome that was measured was whether subjects who were sexually active during a three-month period reported consistent condom use. The following table shows the summarized data.
Step by Step Answer:
Introduction To Statistical Investigations
ISBN: 9781118172148
1st Edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy