Validity and Reliability

1. Validity

1.1. Content Validity Evdence

1.2. Criterion related Validity Evidence

1.2.1. Predictive Validity Evidence

1.2.2. Concurrent Criterion Related Validity Evidence

1.3. Construction Validity Evidence

2. why they are important in learning and assessment?

3. New node

4. Reliability

4.1. Test - retest or Stability

4.2. Alternate Forms or Equivalence

4.3. Internal Consistency

4.3.1. Split - Half Methods

4.3.2. Kuder - Richardson Methods

5. Reference