Presenting participants with different versions of a videotaped confession in order to study a person's perception is an example of a(n) manipulation.

A)externally valid
B)learning
C)staged
D)straightforward

What conclusion can be drawn from the information in the chart? a) africa's total number of hiv/aids cases makes up close to 20% of the world's total aids cases. b) poverty and lack of education are the only factors that have pushed the african aids rate to 6.1%. eliminate c) a major challenge facing african governments is finding a way to effectively combat the aids epidemic. d) north american aids rates are lower than the worldwide rate because of extensive government intervention and spending.

Historical vs today's presidents (compare)

What is affirmative action as a social program intended to accomplish? do you think it has been successful? what are some specific examples that you can offer to support your answer? this is for my multicultural studies class i need asap !