Types of Validity and Reliability

1. Reliability

1.1. test-retest/stability

1.1.1. New node

1.2. Alternate form/equivalence

1.3. Internal Consistency

1.3.1. Split-half methods

1.3.2. Kuder-Richardson Methods

2. content evidence

3. Validity

3.1. predictive evidence

3.2. predictive evidence

3.3. construct

3.4. criterion related

3.4.1. concurrent criterion related validity

3.4.2. Predictive validity