Validity and Reliability
by Christy Lynne
1. Importance of Validity to Learning and Assessment
1.1. To ensure that a test measures what it is supposed to measure.
2. Various Types of Reliability
2.1. Test - Retest (Stability)
2.2. Alternative Form (Equivalence)
2.2.1. Split-half Methods
2.2.2. Kuder-Richardson Methods
2.3. Internal Consistency
3. Importance or Reliability to Learning and Assessment
3.1. To ensure that the test yields the same or similar score rankings consistently.
4. Various Types of Validity
4.1. Content Validity
4.2. Criterion-Related Validity
4.2.1. Concurrent
4.2.2. Predictive