Question

Question 452 pts

In a study examining the effects of loud noises on attention in people with attention deficit disorder (ADD), the researchers conduct a series of tests with an adult suffering from severe ADD. They determine the participant's baseline level of concentration and then expose her to a series of loud noises to understand how the noises affect her ability to concentrate. In this study, the loud noises are part of the:

Group of answer choices

treatment phase.

experimental phase.

counseling phase.

clinical phase.

Answer 1

Experimental phase : in the phase, the independent variable (noise) is manipulated in order to study its effects on the dependent variable (concentration)