When the results of a study are reported to be statistically significant, this means that
a. the results are meaningful and useful in a practical situation.
b. similar results would probably be obtained with a new sample from thesame population and the same procedure
c. the results were what was predicted by the hypothesis.
d. the size of the difference between the groups was large.
e. the results were surprising and did not correspond to theory.
B
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Why is it important to know the primary colors?
a. They are the cheapest to buy. b. Many other colors can be made from them. c. The children like them best. d. They are the brightest and most cheerful.
Proponents of voucher systems argue that by having the government give funds to the consumers of education, which of the following will occur?
a. Some public schools will be forced to close. b. There will be a significant decline in private school enrollment. c. Competition between schools will be encouraged. d. School funding will be more equitably distributed.
?2 goodness-of-fit test is to ______ as ?2 test of independence is to ______.
a. one ordinal variable; two or more ordinal variables b. two or more ordinal variables; one ordinal variable c. one nominal variable; two or more nominal variables d. two or more nominal variables; one nominal variable
In the United States, race became an important issue in public education:
A. after the Civil War. B. after the War of 1812. C. after World War I. D. during the Revolutionary War.