Validity and Reliability Evidence

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Validity and Reliability Evidence by Mind Map: Validity and Reliability Evidence

1. Internal Consistency: Splitting a test into two equal halves, (i.e. odd numbers vs even numbers), and comparing scores for correlation.

2. Alternate Forms or Equivalence: Administering two equivalent tests and then comparing scores.

3. Test-Retest, or Stability: The test is given more than once to determine correlation.

4. Construct Validity Evidence: Demonstrates a relationship between some theory and another set of variables, i.e. If you are testing a foreign language, then those skills should show improvement after much instruction.

5. Predictive Validity Evidence: Refers to how well the test predicts some future behavior, regardless of whatever else it may test.

6. Concurrent Criterion-Related Validity Evidence: Two tests administered at the same time to two groups.

7. Criterion-Related Validity Evidence: (Two types)

8. Content Validity Evidence: Checks that test items correspond to what is supposed to be covered in the test.

8.1. New node

9. Reliability: “Does the test yield the same or similar score rankings (all other factors being equal) consistently?” (Kubiszyn & Borich, 2010, p. 329).

10. Validity: “Does the test measure what it is supposed to measure?” (Kubiszyn & Borich, 2010, p. 329).