Scientists who studies things that past cultures have made and used

How does a long war with a high number of casualties generally affect civilians’ and soldiers’ opinions of their government?

Samantha is looking for a boyfriend. based on the gender differences explained in this activity, which is she likely to prefer?

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?