Assessment Validity and Reliability

1. Methods of Estimating Reliabilty

1.1. Stability

1.1.1. The test is given twice

1.2. Equivalence

1.2.1. The correlation between two sets of scores

2. Validity

2.1. Test measure what it is supposed to

2.2. Write behavioral objectives

2.2.1. Not the ability to recognize bad objectives

3. Types of Validity

3.1. Content Validity

3.2. Criterion-related Validity

4. Criterion-related Validity

5. Reliability

5.1. the test yield the same

5.1.1. similar score ranking

5.1.1.1. A test is reliable