Partial correlation is particularly useful when

a. sample sizes are very small.
b. sample sizes are very large.
c. the subjects in two or more groups are found to differ on a pre-test.
d. the subjects in two or more groups are equivalent on a pre-test.


C

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Fill in the blank with correct word.

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________tells the educator about the quality of the test

Fill in the blank(s) with correct word

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Production- and sales-oriented organizations have a very strong internal focus

a. true b. false

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