Validity and Reliability

1. References

2. Validity

2.1. Content Validity Evidence

2.2. Criterion-Related Validity Evidence

2.2.1. Concurrent Criterion-Related Validity Evidence

2.2.2. Predictive Validity Evidence

2.3. Construct Validity Evidence

3. Reliability

3.1. Test-Retest or Stability

3.2. Alternative Forms or Equivalence

3.3. Internal Consistency

3.3.1. Split-Half Methods

3.3.2. Kuder-Richardson Methods

3.3.3. Problems with Internal Consistency Estimates