Jim watches a heavy dose of violent tv cop shows. according to research by margaret thomas and her colleagues (1977), what is one likely outcome of this behavior? a. jim will feel indifferent when he hears a violent argument between his neighbors. b. become more aware of his own violent behavior and try to stop it. c. be less likely to recognize his own feelings of aggression. d. become more upset when he sees aggression that is not fictionalized.

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?