Which of the following is NOT likely to be strongly affected by arousal level, according to the Yerkes-Dodson Law?

Buspirone (BuSpar) has

a. been shown to be comparable to benzodiazepines in the treatment of anxiety b. the same basic molecular structure as benzodiazepines c. been shown to be cross tolerant with benzodiazepines d. all of the above

Viviane lives in an ethnically diverse community. She is attending a PTA meeting concerning how to provide a complete and fair history curriculum. It is likely that

a. the members of the PTA will judge their own work more positively than will members of PTAs in ethnically homogenous communities b. the PTA will come up with more creative solutions than will PTAs in ethnically homogenous communities. c. misunderstandings will be less likely among her PTA members than among PTA members from ethnically homogenous communities. d. cliques will be less likely to form in her PTA than in PTAs from ethnically homogenous communities.