What is the first milestone likely to occur in typically developing children? social referencing smiling joint attention attention functions as a reinforcer?

What are the relation of community dynamics and community action to applied social sciences?

What is “the compromise of 1850? ” *

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?