本题目来源于试卷: IB Psychology HL Approaches to Research on Behavior，类别为 IB心理学
[单选题]
A student is analysino;c 2ub me5lxa: 7mimp 89faz)gm; rufn)d)4i9pp.ufy a study looking at the effect of regular exercise on the weight l)pf9u d; pu4i .r)nmfyoss of high school students. What is the dependent variable in this study?
A. Diet
B. Age
C. Exercise
D. Weight loss
参考答案: D
本题详细解析:
The dependent variable istpvz .r 0es(hg+0f+f w the variable that is being measured or observed in the study. In this case, weight loss (D) is being measured to see the effect of regular exercise. The other options (A, B) all represent variables that may be controlled to ensure that they do not affect the study’s outcomes, and choice C, exercise, is the independent variable that may be maniv0+ he(tr+fs gzfw p.0pulated.
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