Reproductive hormones start to work when the embryo is about _______ millimeters long
a. two
b. four
c. six
d. eight
C
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Before welfare reform, the average welfare recipient stayed on welfare for fewer than two years
a. true b. false
In 1988, how much money did Congress award each of the 60,000 detainees who were still alive?
A) $1 million B) $500,000 C) $100,000 D) $20,000
Based on what you read, you think that people whose parents are divorced are more likely to become divorced themselves. As you begin your research, you state your belief explicitly, in a testable way. This explicit, testable statement is a
A. research design. B. statement of causality. C. hypothesis. D. generalized conclusion.
A teacher believes that all students from a particular country of origin are troublemakers. This prejudice is based on ______.
A. gender B. culture C. class D. ethnicity