Products
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The Psychometrics Bundle
BundleTake Item Response Theory & Classical Test Theory for a bundled discount. Tenko Raykov & Christian Geiser teach this on-demand course sequence.
$649
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Classical Test Theory Analysis in SPSS and Mplus
CourseChristian Geiser teaches Classical Test Theory analysis in this on-demand course.
$299
Quantfish Courses
Here you'll find our complete course catalog of on-demand courses with a quick link section to the left. Choose a course for yourself or your team - or subscribe to Quantfish Unlimited and get access to all courses for a year.