A lobbyist’s job includes researching and understanding issues being considered by lawmakers. practicing law and defending clients in court. registering with the government and getting a specialized license. making political connections and giving gifts to lawmakers in exchange for support.

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?