Dr Kettle Wants to Know If the Type of Lighting

Multiple Choice

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.