Imagine a study in which brain activity is recorded before and after a 12-week course of dialectical behavioral therapy among patients with borderline personality disorder. The recordings are compared to brain recordings taken from individuals without the disorder. Which of the following alternatives labels the borderline patients and the brain recordings with respect to the experimental method
A)experimental group; dependent variable
B)experimental group; independent variable
C)experimental group; outcome variable
D)control group; dependent variable

Question

Quizplus · Accepted Answer

The borderline patients receiving the therapy are the experimental group because they are the ones receiving the intervention being studied. The brain recordings, which are measured before and after the therapy, are the dependent variable because they are expected to change in response to the therapy.

Imagine a Study in Which Brain Activity Is Recorded Before