A psychologist believes that positive rewards for proper behavior are more effective than punishment for bad behavior in promoting good behavior in children. A scale of "proper behavior" is developed. μ1= the "proper behavior" rating for children receiving positive rewards, and μ2= the "proper behavior" rating for children receiving punishment. If H0: μ1− μ2= 0, which of the following is the proper statement of HA?
(A)HA: μ1− μ2> 0 (B)HA: μ1− μ2< 0 (C)HA: μ1− μ2≠ 0 (D)Any of the above is an acceptable alternative to the given null.
A