Ana's parents paid her an allowance every week to feed the cats and a few other worksaround the house. When Ana's mom lost her job her parents were no longer able to pay her an allowancebut she continued feedingthe cats and doingother household works. Explain which type of motivation best explains Ana's behavior before and after her mom's job loss?

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?