Researchers wanted to see if adults were actually afraid of the dark by exposing them to different levels of light in a room while measuring their heart rates. In this experiment, what are the different levels of light?

Question

Quizplus · Accepted Answer

The different levels of light are the independent variable. The dependent variable is the participants' heart rates, which will be measured based on the level of light they are exposed to. There is no control group or experimental group mentioned in this scenario.

Researchers Wanted to See If Adults Were Actually Afraid of the Dark