DrGordon Conducts an Experiment on One of Her Clients,Johnny,who Displays

Multiple Choice

Dr.Gordon conducts an experiment on one of her clients,Johnny,who displays symptoms of attention deficit hyperactivity disorder.She postulates that Johnny's hyperactivity will be measured by the number of times he moves about while in the middle of a conversation.In this scenario,Dr.Gordon's postulation is the

A) confederate.
B) independent variable.
C) operational definition.
D) placebo.