A researcher tested the effect of sleep deprivation on attention. She assigned participants to groups which determined how much sleep they got. She compared these groups' scores on attention tasks. This is an example of what type of study design?
A) correlational
B) experimental
C) longitudinal
D) microgenetic

Question

Quizplus · Accepted Answer

This is an example of an experimental study design because the researcher manipulates an independent variable (amount of sleep) to observe its effect on a dependent variable (scores on attention tasks).

A Researcher Tested the Effect of Sleep Deprivation on Attention