Validity and Reliability

1. Reliability

1.1. Stability

1.1.1. Equivalance

1.1.1.1. Evidence Validity

1.1.1.1.1. Split-Half Methods

2. Validity

2.1. Content

2.1.1. Criterion

2.1.1.1. Construct

2.1.1.1.1. Evidence Validity