Answer
In an experimental study, the researcher must have control over the independent variable and manipulate its levels for different research groups. In this case, the researchers are not controlling the income levels of the women in the study (the independent variable). Therefore, this study is a non-experimental study.
Work Step by Step
In an experimental study, the researcher must have control over the independent variable and manipulate its levels for different research groups. In this case, the researchers are not controlling the income levels of the women in the study (the independent variable). Therefore, this study is a non-experimental study.
