Dr Prather Randomly Assigns 100 Student Volunteers Who Experience Test

Multiple Choice

Dr. Prather randomly assigns 100 student volunteers who experience test anxiety to either a group that will receive training in relaxation exercises or a group that will sit in a waiting area for the same length of time as those learning relaxation. She will then measure their symptoms of test anxiety. Based on her results, Dr. Prather will have evidence of

A) how well relaxation exercises work in the treatment of various mood disorders.
B) how students with test anxiety behave in a classroom setting.
C) how effective the waiting time is.
D) whether or not relaxation exercises may cause an alleviation of symptoms of test anxiety.