Validity

• Validity - Whether the test is measuring what you think it’s supposed to be measuring.
• Criterion validity - involves demonstrating statistically a relationship between scores on a selection procedure and job performance of a sample of workers
• • Content validity - is a demonstration that the content of a selection procedure is representative of important aspects of performance on the job.
• Construct validity - means demonstrating that

  (1) a selection procedure measures a construct

  (2) that the construct is important for successful job performance