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Unfair tests lack what?

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Gail complains that her history was unfair and "did not cover the material!" She is complaining that the tests lacks

a. Reliability
b. External validity
c. Content validity
d. Power

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Answer: c. Content validity

Content validity is established by showing that the test items are a sample of a universe in which the investigator is interested (i.e., history course). Content validity is ordinarily to be established deductively, by defining a universe of items (defining test items for the entire history course content)and sampling systematically (i.e., distributing an equal number of items per unit)within this universe to establish the ...

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Gail complains that her history was unfair and "did not cover the material!" What does the test lack? This solution provides the best answer and explanation.

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