Psychometrics
Undergraduate · Math
Syllabus focus
Topics typically covered
Click a topic for the full text and related unit practice.
Undergraduate Psychometrics — outline derived from course README sections and typical US statistics syllabi (OpenIntro / standard OER where applicable).
Classical test theory
- Reliability: test-retest, internal consistency — Reliability: test-retest, internal consistency
- Cronbach's alpha — Cronbach's alpha
- Composite reliability — Composite reliability
- Validity: content and criterion — Validity: content and criterion
- Construct — Construct
- Item analysis: difficulty — Item analysis: difficulty
- Discrimination — Discrimination
- Standard error of measurement — Standard error of measurement
Factor analysis and scaling
- Exploratory factor analysis for scale development — Exploratory factor analysis for scale development
- Confirmatory factor analysis (introduction) — Confirmatory factor analysis (introduction)
- Item response theory: Rasch — Item response theory: Rasch
- 2PL models (intro) — 2PL models (intro)
- Differential item functioning (overview) — Differential item functioning (overview)
- Norming — Norming
- Score equating (introduction) — Score equating (introduction)
Applications
- Designing surveys — Designing surveys
- Psychological instruments — Psychological instruments
- Ethical testing standards — Ethical testing standards
- Computerized adaptive testing (overview) — Computerized adaptive testing (overview)
- Reporting measurement quality in research — Reporting measurement quality in research
Study units
Each unit includes a study guide, worksheets, review, practice test, and answer key. One unit is free; subscribe for the full class.
- Classical test theory
Reliability: test-retest, internal consistency
Coming soon - Factor analysis and scaling
Exploratory factor analysis for scale development
Coming soon - Applications
Designing surveys
Coming soon
Notes
Undergraduate Psychometrics — outline derived from course README sections and typical US statistics syllabi (OpenIntro / standard OER where applicable). Topic outline: `content/topics/undergraduate/psychometrics.json`.