Validity and Reliability

1. Content Validity Evidence

2. Criterion-Related Validity Evidence

2.1. Concurrent

2.2. Predictive

2.2.1. Predictive Validity Coefficient

3. Construct Validity Evidence

4. Test-Retest or Stability Reliability

5. Alternate Forms or Equivalence Reliability

6. Internal Consistency Reliability

6.1. Split-Half Methods

6.2. Kuder-Richardson Methods