In a Series of Three Experiments, Greitemeyer (2009) Examined the Influence

Multiple Choice

In a series of three experiments, Greitemeyer (2009) examined the influence of prosocial messages on thought and behavior. Which statement BEST expresses the results of this research?

A) Prosocial messages had short-term effects on prosocial thought and emotion, but not on prosocial behavior.
B) Prosocial messages had short-term effects on prosocial thought, emotion, and behavior.
C) Prosocial messages had long-term effects on prosocial thought, emotion, and behavior.
D) Prosocial messages had little effect on prosocial thought, emotion, and behavior.