A Psychologist Wishes to Test a Behavioral Modification Therapy That

Multiple Choice

A psychologist wishes to test a behavioral modification therapy that is claimed to improve the behavior of preteen autistic children.She randomly selects 20 preteen autistic children and exposes half of the group to the behavioral modification therapy; the other half continue with their standard treatment regimen.A standardized behavioral test is administered to each child both before and after treatment.The population in this experiment is:

A) all preteen autistic children.
B) the behavioral modification therapy.
C) the standardized behavioral test scores.
D) the 20 selected preteen autistic children.