final review

Question 1

A study is designed to compare elbow extensor strength of a single group of subjects with shoulder positioned in a number of different positions. What type of design does this represent?

Answer 1

Repeated measures design

Question 2

A study is designed to determine the effect of aspirin and stretching on low back pain. Comparisons are made between groups taking/not taking the medication, and three types of stretching. In this study, medication and stretching are two independent variables. Subjects are randomly assigned to one of six groups. This is an example of a?

Answer 2

factorial design

Question 3

Persons with hip osteoarthritis are randomly assigned in a multigroup randomized trial to either an aquatic exercise group, a cycling exercise group, a strength training group or to a control group to assess the effect of the training condition on pain. Based on this description, this study has how many independent variables?

Answer 3

3

Question 4

Persons with hip osteoarthritis are randomly assigned in a multigroup randomized trial to either an aquatic exercise group, a cycling exercise group, a strength training group or to a control group to assess the effect of the training condition on pain. Based on this description, this study has how many independent variables?

Answer 4

3