Construct validity

Construct validity is a measure of how well a test or tool measures the construct that it was designed to measure. In other words, it is the degree to which a test is an accurate measure of the theoretical construct it is intended to measure. Construct validity is "the degree to which a test measures what it claims, or purports, to be measuring."

Definition

Construct validity is a type of validity that is used to evaluate the methods of a study. It is the degree to which a test measures the construct, a concept or characteristic, it was designed to measure. It is used in psychological testing, educational testing, and other fields of study.

Types of Construct Validity

There are two types of construct validity: convergent validity and discriminant validity. Convergent validity refers to the degree to which a measure is correlated with other measures that it is theoretically predicted to correlate with. Discriminant validity, on the other hand, refers to the degree to which the operationalization does not correlate with other operationalizations that it theoretically should not correlate with.

Importance of Construct Validity

Construct validity is important in psychological research and educational research because it helps researchers to ensure that their tests and tools are measuring what they are intended to measure. Without construct validity, the results of a study may not be reliable or valid.

See Also

• Validity (statistics)
• Reliability (statistics)
• Psychometrics
• Educational measurement

Construct validity Resources
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