Questions about this course?

Email: GRT@mail.nih.gov

The Pragmatic and Group-Randomized Trials in Public Health and Medicine online course is presented by Dr. David M. Murray, the NIH Associate Director for Prevention and Director of ODP. This course, updated in September 2024, is meant to help researchers design trials involving groups or clusters.

https://iqs.gathercontent.com/item/5078866

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Pragmatic and Group Randomized Trials

https://prevention.nih.gov/resources-for-researchers/nih-methods-training/grt

Considering a trial involving groups or clusters?

Check out NIH's Research Methods Resources website.

For more information about GRTs, watch these additional videos from our Methods: Mind the Gap webinar series and ODP Director Dr. David M. Murray.

• Research Methods Resources for Clinical Trials Involving Groups or Clusters
• Design and Analysis of Individually Randomized Group-Treatment Trials in Public Health
• Stepped Wedge Cluster Randomized Designs for Disease Prevention Research
• Pragmatic Trials Involving Group Randomization or Delivery of Interventions to Groups: GRTs, IRGTs, and SW-GRTs

Course Videos Related Materials entity:node/43476 entity:node/43481 entity:node/43486 entity:node/43491 Part 1: Randomized Designs for Clinical Trials Part 2: Analytic Methods Part 3: Sample Size and Power Part 4: Alternative Designs https://youtu.be/1KU4ACHP9fA https://youtu.be/o4V6pb3HX-s https://youtu.be/eSf59_d0kwk https://youtu.be/kxdPPZl4Yc4 Agency for Healthcare Research and Quality Centers for Disease Control and Prevention Office of Disease Prevention U.S. Preventive Services Task Force Pragmatic & Group-Randomized Trials in Public Health and Medicine Dissemination & Implementation