Chapter 13: Problem 3

What is the content validity of a test? What is the predictive validity of a test?

Short Answer

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Content validity refers to the extent to which a test covers all aspects of the domain its supposed to measure, while predictive validity refers to how well a test can predict future outcomes based on the test results.

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Understanding content validity

Content validity refers to the extent to which a test measures all aspects of the specific concept it aims to test. In other words, it assesses whether the test content is representative of the content domain it's supposed to cover. For example, if a mathematics test only has questions about algebra but it's supposed to gauge an individual's overall mathematical ability, it would have low content validity as it doesn't cover other areas like geometry, calculus, etc.

Understanding predictive validity

Predictive validity on the other hand, refers to how well a test predicts future outcomes. It's a measure of how the results of a test can be used to predict a certain variable in the future. For example, if a school entrance exam is designed to predict a student's future academic performance, its predictive validity would be high if those who scored well on the exam indeed perform well in their academic tasks in the future.

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What is the content validity of a test? What is the predictive validity of a test?

Short Answer

Step by step solution

Understanding content validity

Understanding predictive validity

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