DrNoyd Conducts an Experiment to Determine Whether Talking to a Psychiatrist

Multiple Choice

Dr.Noyd conducts an experiment to determine whether talking to a psychiatrist makes depressed people less depressed.He randomly divides participants who scored highly on a depressive inventory into two groups.Group A discusses their problems with a psychiatrist while Group B does nothing.He finds that Group A shows significantly more improvement in their depression than does Group B.In Dr.Noyd's experiment,the experimental group refers to the ____.

A) differences observed whether or not therapy was received
B) individuals who discuss their problems
C) scores on the depressive inventory
D) random assignment