A researcher conducts a study on the effectiveness of a physical activity program in motivating people to engage in physical activity on a long term basis.This researcher tests her participants physical activity levels at four time points: pretest,posttest,six month follow-up,and one year follow-up.In this study the independent variable is _____ and the dependent variable is_____.
A)amount of physical activity;time of test/assessment
B)the pretest;the posttest and two follow-ups
C)time of test/assessment;amount of physical activity
D)motivation;time of test/assessment

Question

Quizplus · Accepted Answer

The independent variable is the time of test/assessment (pretest, posttest, six month follow-up, and one year follow-up) and the dependent variable is the amount of physical activity, which is being measured at these different times.

A Researcher Conducts a Study on the Effectiveness of a Physical