How might understanding the epistemological commitments in a psychological theory be in clarifying agreements or disagreements between competing theories?

What was the midwest states often called because they were located in the center of the nation

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?

Which of the following variables has the strongest influence on the variations found in american family life? a. race and ethnicity b. religious affiliation c. social class and culture d. education and occupation