- Instrument Reliability
- Test Retest
- Equivalent (Alternate or Parallel) Form
- Scoring Agreement
- Interrater
- Percentage of Agreement
- Internal Consistency
- Split-Half
- Kuder-Richardson 20
- Kuder-Richardson 21 (questions are of equal difficulty)
- Cronbach’s Alpha
- Instrument Validity
- Content (Face)
- Criterion Related
- Construct
- Factor Analysis
- Convergent/Discriminant
- Obtained Score = True Score + Error (test taker, test, testing condition, scoring)
- Excel Reliability Calculator
- Relationship between instrument reliability and validity
- Likert Scales
- Content Analysis
- Sampling Plan
- Definition of Term
- Action Research
- Emily Calhoun’s Action Research Cycle
- Ernest Stringer’s Action Research Interacting Spiral
- Dialectic Action Research Spiral