Dr Jones Uses a Wide Range of Manipulations to Frustrate

Multiple Choice

Dr. Jones uses a wide range of manipulations to frustrate his participants. He then measures aggression by counting the number of times a research participant hits an inflatable "Bobo doll." If this is the only way Dr. Jones measures aggression, the results of his studies may lack ________.

A) generalizability over stimuli
B) generalizability over responses
C) predictive validity
D) stimulus reliability