Validity

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Validity by Mind Map: Validity

1. Reliability

1.1. Test-Retest is a method of estimating reliability that is where the test is given twice and the correlation between the first set of scores and the second set of scores is determined.

1.1.1. Goal 1

1.1.2. Goal 2

1.2. Alternate Forms or Equivalence

1.2.1. Session Rule 1

1.2.2. Session Rule 2

1.3. Internal Consistency

1.4. Split Half Method

1.5. Kuder-Richardson Method which measures the extent to which items within one form of the test have as much in common with on another as do the items in that one form with the corresponding items in an equivalent form

1.6. Problems are they should only be used if the entire test consists of similiar items measuring a single concept

2. Construct Validity

2.1. A test has construct validity evidence if its relationship to other information corresponds well with some theory.

2.2. Any information that lets you know whether results from the test correspond to what you would expect tells you something about the construct validity evidence for a test.

3. Criterion-Related Validity

3.1. Concurrent Criterion-Related which deals with measures that can be administered at the same time as the measure to be validated.

3.2. Predictive which refers to how well the test predicts some future behavior of the examinees.

4. Content Validity

4.1. Inspecting Test Questions

4.2. Contest of a Test