Lucy believes that halogen light bulbs lead to better visual acuity compared to incandescent light bulbs. How would she operationally define the independent variable in her study?

Question

Quizplus · Accepted Answer

The independent variable in a study is the variable that is manipulated or changed by the researcher to observe its effects on the dependent variable. In this case, the type of light bulb (halogen vs. incandescent) is what Lucy would manipulate to study its effect on visual acuity, making it the independent variable.

Lucy Believes That Halogen Light Bulbs Lead to Better Visual