STEM / applied
Psychometrics · Undergraduate · Math
Learning objectives from the Psychometrics syllabus, grouped by unit. Click an objective for study materials.
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
Learning objectives
Click an objective for study materials.
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
Multi-Unit Problems
Course-level sets that combine skills across study units (coming soon).
Browse Multi-Unit ProblemsWhat each unit includes
Open a unit below for full materials. Typical resources:
- Study guide
- Exam Strategy
- Common Mistakes
- Worksheets
- Word problems
- Mixed Practice
- Multi-Unit Problems
- Review
- Practice test
- Answer key
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
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$1,162 · Psychometrics · 18 tutoring hrs
Study guides, worksheets, reviews, practice tests, and answer keys for 1 class. 18 tutoring hours (1 hr / week · semester). Bundle discount applied vs buying separately. Pay in full via Zelle.