Validity and Reliability

1. Validity

1.1. Content Validity

1.2. Criterion Related Validity

1.2.1. Concurrent

1.2.2. Predictive

1.3. Construct Validity

2. Reliability

2.1. Test-retest

2.2. Alternative form

2.3. Internal Consistency

2.3.1. Slit-Half Method

2.3.2. Kuder–Richardson Methods

3. Reference