bro people are supposed to be taught at a young age not to bully or body shame or cat call ppl bc of there apperance. i wasnt taught at all and still know not to do that, what does that say abt them as a person, its rlly a shame, your all beautiful no matter what u look like <3

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?