Dr. Kettle wants to know if the type of lighting (fluorescent or incandescent) under which participants read affects the number of pages of text that they can read in one hour. The independent variable in this experiment is
A) the type of lighting.
B) the amount of light.
C) fluorescent lighting.
D) incandescent lighting.
E) the number of pages of text read in one hour.

Question

Quizplus · Accepted Answer

The independent variable is the factor that is manipulated by the researcher to observe its effect on the dependent variable. In this case, Dr. Kettle is manipulating the type of lighting (fluorescent or incandescent) to see its effect on the number of pages read, making the type of lighting the independent variable.

Dr Kettle Wants to Know If the Type of Lighting