A researcher is testing out a new personality assessment to determine a participant’s personality type. She shows that scores from her new measure are unrelated to measures of mood and cognitive ability. She has demonstrated that her new assessment has validity.

Discriminant validity

Explanation:

Discriminant validity is shown through evidence that a measure is not inordinately related to other similar, yet different construct. It is also known as divergent validity.

Discriminant validity helps to determine how similar a test is to another thus proving Validity.

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