Validity and Reliability
by Crystal English
1. Reliability
1.1. Test-Retest or Stability
1.2. Alternate Forms or Equivalence
1.3. Internal Consistency
1.3.1. Split-Half Method
1.3.2. Kuder-Richardson Methods
1.4. Interrater
2. Validity
2.1. Content
2.2. Criterion
2.2.1. Concurrent Criterion-Related Validity Evidence
2.2.2. Predictive Validity Evidence