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ClinicalDesignTree - Reduced by • Using objective...

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Intro to Clinical Research JM Gay, DVM PhD DACVPM Clinical Study Design Tree No Comparison Basis? Explicit Control Group Historical Concurrent Randomized Factor Assignment? Observational Study "Direction"? Case Series Case Report Self-controlled Trial Case-Control Study Cross-Sectional Study (prevalence study) Ecological Study [Aggregate data] Cohort Study (incidence study) Randomized Blinded Controlled Trial (RBCT) Randomized Cross-Over Trial Experimentally induced Disease Unique: Diagnostic Test Evaluation [two parallel studies] Retrospective from Outcome Prospective from Exposure Timing of Control Group? Experimental Strength Strength Strength Yes None Strength Implicit Control Group
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