A researcher is testing the effects of sunlight on depression. The dependent variable is independent variable is
A) sunlight; depression
B) depression; sunlight
C) sunlight; mood
D) depression; mood

Question

Quizplus · Accepted Answer

The dependent variable in this study is depression, as it is the variable that the researcher is measuring and observing changes in. The independent variable is sunlight, as it is the variable that the researcher is manipulating and hypothesizing to have an effect on depression. Mood is not a variable being explicitly measured or manipulated in this study.

A Researcher Is Testing the Effects of Sunlight on Depression