sarah is failing her physics class. although the school offers free tutoring, she thinks that seeking help is useless because she believes that she will never be smart enough to comprehend the material. which concept best represents sarah’s belief?

If the president needed to send two members of the cabinet to italy to negotiate a military treaty, the secretary of defense and the secretary of would most likely be sent.

Around the third week of a college class, a professor decides she’s had enough, is tired of dealing with bureaucracies, and wants out. so one day, instead of coming to class, she flies to tahiti and sells souvenirs on the beach. if this happened, the college would simply assign a substitute to finish the course. what does this tell you about the nature of the authority wielded by a professor?

Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?