Validity and Reliability

by Beverly Herndon Meetze

1. Alternate forms

2. Internal Consistency

2.1. Kuder Richardson method

3. Split half method

4. test and retest or stability

4.1. time interval between the tests must be considered or the reliability won't be measured, but the memory of the student.

5. content validity evidence

5.1. One problem with this is that is sometimes measure if a test "looks" valid, which might not take in consideration the reading level of the student, etc.

5.2. does the test match the learning objectives

6. Criterion related validity evidence

6.1. concurrent

6.2. predicitve

7. Validity

8. construct validity evidence

9. Reliability