Validity and Reliability
af Jade Sawyer
1. Validity
1.1. Content Validity
1.2. Criterion Related Validity
1.2.1. Concurrent
1.2.2. Predictive
1.3. Construct Validity
2. Reliability
2.1. Test-retest
2.2. Alternative form
2.3. Internal Consistency
2.3.1. Slit-Half Method
2.3.2. Kuder–Richardson Methods