Evaluating tests

1. Correlation Coefficient

1.1. for Validity affected by

1.1.1. Type of Evidence

1.1.2. Relavance

1.1.3. Group Variability

1.2. for Reliability affected by

1.2.1. Test Difficulty

1.2.2. Group Variability

1.2.3. Scoring

1.2.4. Item Number

2. Reliability

2.1. Consistent testing

2.1.1. Test-Retest

2.1.1.1. student memory

2.1.1.2. time interval

2.1.2. Alternative Forms

2.1.2.1. two tests

2.1.3. Internal Consistency

2.1.3.1. Split-half

2.1.3.2. Kuder-Richardson

2.1.3.3. single concept tests

3. Validity

3.1. Evidence for intended measurement

3.1.1. Content

3.1.1.1. learning outcomes

3.1.1.2. human judgment

3.1.2. Construct

3.1.2.1. aptitude

3.1.2.2. idea

3.1.2.3. theory

3.1.3. Criterion-related

3.1.3.1. Concurrent

3.1.3.1.1. substitute test

3.1.3.2. Predictive

3.1.3.2.1. behavior

3.1.3.2.2. condition