Test Evaluation

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Test Evaluation by Mind Map: Test Evaluation

1. Reliability

1.1. Test - Retest

1.1.1. Same test given more than once

1.1.1.1. Test for consistency in scores

1.2. Alternate Form or Equivalence

1.2.1. Equivalent tests given

1.2.1.1. Estimate eliminates practice & memory possibilities

1.3. Internal Consistency

1.3.1. Measure single basic concept

1.3.1.1. Split-halves Method

1.3.1.2. Kuder-Richardson Methods

1.3.1.2.1. item–total correlations

1.3.1.2.2. KR20 formula

2. Validity

2.1. Content Validity Evidence

2.1.1. Simplest

2.1.2. Test Question Inspection

2.2. Criterion-Related Validity Evidence

2.2.1. Concurrent

2.2.1.1. Validity co-efficient

2.2.1.2. Comparison to established test

2.2.2. Predictive

2.2.2.1. Predicts future behavior

2.2.2.1.1. Example: Aptitude Tests

2.2.3. Construct

2.2.3.1. Relationship to theories

3. Why important?

3.1. To establish numerical and logical confidence in a test