Validity and Reliability

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Validity and Reliability by Mind Map: Validity and Reliability

1. Content Validity

1.1. Are the test questions “correspond to what the user decides should be covered by the test” and is the desired material being tested?

2. Criterion-Related Validity

2.1. Concurrent

2.1.1. What is the correlation of test scores between the old test and the new test at the sme time?

2.2. Predictive

2.2.1. What is the correlation of test scores between the old test and the new test over a period of time?

3. Test-Retest or Stability

3.1. Giving the same test twice within a short time frame to the same test takers.

4. Alternative Forms or Equivalence

4.1. Giving two alternate test to the same test takers in as short as time as possible.

5. Internal Consistency

5.1. Split-Offs or Odd-Even

5.1.1. Splitting the test into two equal tests and determine the correlation between them.

5.2. Item-Total or Kuder-Richardson Model

5.2.1. The extent to which the entire test presents a single, and consistent measure of a concept.