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In this program

Reliability: test-retest, internal consistency
Cronbach's alpha
Composite reliability
Validity: content and criterion
Construct
Item analysis: difficulty
Discrimination
Standard error of measurement

Classical test theory

Item analysis: difficulty

Psychometrics · STEM / applied

Topic

Item analysis: difficulty

Practice by unit: Classical test theory

Undergraduate Psychometrics — outline derived from course README sections and typical US statistics syllabi (OpenIntro / standard OER where applicable).

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