The basis of is manipulation of an independent variable and examining its effect on a dependent variable.

All of the following are typical characteristics of traditional african religions except a. belief in a creator being b. belief that the dead go onto paradise, and their spirits cannot those left on earth c. belief that all things in nature (including rocks, trees, and animals) have souls d. beliefs are often combined with other faiths, such as christianity

Before tuberculosis was understood to be a communicable disease, and before the discovery of antibiotics to treat it, a major outbreak could kill or cripple a significant portion of a nation’s labor force. how would such an event affect the economy? illustrate the effect by dragging to shift either the aggregate demand curve or the long-run aggregate supply curve.

You think all professors are uncoordinated, but then you see your social psychology professor make a diving catch down the left-field line at an intramural softball game against the arts department team. you also notice that your professor hits lead-off for the team and is able to score from second base on a ground-out. you maintain your original stereotype of professors as uncoordinated by deciding that this one individual is an exception to the rule because he is a “young professor.” this is an example of