=+b) Steele, Bass, and Crook tried to replicate the original study. The subjects were 125 college students who participated in the experiment for course credit. Subjects first took the test. Then they were assigned to one of three groups: listening to a Mozart piano sonata, listening to music by Philip Glass, and sitting for 10 minutes in silence.

Three days after the treatments, they were retested. Draw a diagram displaying the design of this experiment.

M20_SHAR8696_03_SE_C20.indd 760 14/07/14 7:36 AM Exercises 761