Which of the following are changing role/s of the modern family? * Two - parent households are on the decline due to divorce , remarriage

Cohabitation is on the rise as many persons are opting not to get married

More stay at home dads

All of the above

Sociology is best described as the systematic study of

What’s the reason for not digging up aztec ruins in modern mexico city

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?