Scores on a Test Have a Mean of 66 and a Standard

question 65

Multiple Choice

Scores on a test have a mean of 66 and a standard deviation of 9. Michelle has a score of 57. Convert Michelle's score to a z score.

• A) 1
• B) -1
• C) -9
• D) 9

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Definitions:

Validity

The extent to which a test or procedure accurately measures what it is intended to measure.

Predictive Validity

The extent to which a score on a scale or test predicts future performance on a related outcome.

Content Validity

The extent to which a test measures all aspects of the concept it intends to assess, ensuring the test is representative of the subject matter.

Construct Validity

The extent to which a test or instrument measures the theoretical construct it is intended to measure.