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Various forms of evidence can be used to establish the validity of scores on an instrument. Which of ...

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Various forms of evidence can be used to establish the validity of scores on an instrument. Which of ...

Various forms of evidence can be used to establish the validity of scores on an instrument. Which of the following forms is a source of validity evidence that you might use?
A) Evidence based on the consistency of the test scores
B) Evidence based on the test scores at two different times
C) Evidence based on the ratings of multiple observers
D) Evidence based on the relationship of test scores to external variables

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