Psychologists distinguish between the content validity and predictive validity of assessments

a. Describe the nature of these two types of validity.
b. Describe a situation in which the content validity of an assessment would be more important than predictive validity, and why.
c. Describe a situation in which the predictive validity of an assessment would be more important than content validity, and why.


Answers to the separate parts of the question are as follows:
a. Content validity is the extent to which an assessment is a representative sample of the content being assessed. Predictive validity is the extent to which an assessment predicts some future behavior.
b. The response should describe a situation in which an assessment is used to measure what has been learned in the classroom (e.g., as would be true for a teacher-developed assignment or standardized achievement test).
c. The response should describe a situation in which an assessment is used to predict a future behavior

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