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215043 - Introduction to the Design of Cluster Randomized Trials (ADDED FEE)
Type: Professional Development
Date/Time: Saturday, July 28, 2018 : 1:00 PM to 5:00 PM
Sponsor: ASA
Abstract #333080
Title: Introduction to the Design of Cluster Randomized Trials (ADDED FEE)
Author(s): Lawrence Moulton*
Companies: Dept. International Health
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This course will cover the main concepts and methods in the design of trials in which the unit of randomization is a group of participants. There has been a steep increase in employing this kind of study to answer research questions in situations where a treatment/intervention must be applied at a group level to: 1) avoid contamination; 2: estimate parameters that are functions of within-group dynamics; or 3: meet logistical exigencies. The course will consist of an overview of key design features of cluster randomized trials, including parameters of interest, cluster formation, highly restricted randomization, and sample size requirements. The use of matching, stratification, and phased implementation (including stepped wedge) techniques will be presented. Many of the examples will involve infectious disease interventions in geographically-randomized settings, but most of the principles are relevant to any group-randomized scenario. The primary source material may be found in: Hayes, R.J. and Moulton, L.H. (2017) Cluster Randomised Trials, 2nd Edition, Chapman & Hall.

Technical aspects will be minimal (bachelors/masters level), although familiarity with the basics of clinical trial design is strongly recommended. The use of software routines (in Stata, SAS, or Excel) will be touched on, but no prior experience with these is assumed.


Authors who are presenting talks have a * after their name.

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