Question
A researcher is studying the effect of noise level on concentration. In this study, noise level is the —— variable
A. Random
B. Independent
C. Dependent
D. confounding
A. Random
B. Independent
C. Dependent
D. confounding
Answers
GPT-4o mini
In this study, noise level is the **B. Independent** variable. The independent variable is the one that is manipulated or controlled by the researcher to examine its effect on another variable, which in this case would be the concentration (the dependent variable).