2x2 tables - PowerPoint PPT Presentation

Trimming screening tests and modern psychometrics

Trimming screening tests and modern psychometrics. Paul K. Crane, MD MPH General Internal Medicine University of Washington. Outline. Background on screening tests 2x2 tables ROC curves Consideration of strategies for shortening tests A word or two on testlets. I. Background on Screening.

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639 views • 61 slides

I. ANOVA revisited &amp; reviewed

I. ANOVA revisited &amp; reviewed. What is ANOVA? When is it used (appropriately)? Comparison test: numeric dependent variable &amp; categoric independent variable Assumptions? How do we do it? Do Omnibus F test: Table of Descriptives + ANOVA Do post hoc comparisons

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229 views • 20 slides

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2x2 tables - PowerPoint PPT Presentation

Trimming screening tests and modern psychometrics

I. ANOVA revisited &amp;amp; reviewed

I. ANOVA revisited & reviewed