NIH Record - National Institutes of Health

‘Mind the Gap’ Addresses Group-Based Interventions, June 29

Dr. Murray
Dr. David M. Murray

The Office of Disease Prevention will host a Methods: Mind the Gap webinar with Dr. David M. Murray on Tuesday, June 29 at 1 p.m. (ET).

The webinar will review current recommendations for design and analysis of group-based intervention trials. In addition, the meeting will review updates to the Research Methods Resources website ( that currently focuses on parallel group- or cluster-randomized trials and individually randomized group-treatment trials. 

Murray will demonstrate the new sample size calculator for individually randomized group-treatment trials that was added to the website in April 2021. He will also preview a new section on stepped-wedge group- or cluster-randomized trials that will be coming to the website later this year.

Murray has spent his career evaluating interventions designed to improve public health. He has focused on the design and analysis of trials in which groups are randomized to conditions and members of those groups are observed to assess the effect of an intervention. 

Murray joined NIH in 2012 as associate director for prevention and director of the ODP. He is responsible for promoting and coordinating prevention research among NIH institutes and centers and other public and private entities. 

Registration to attend the webinar is required. Register at The webinar will be recorded and available on the ODP website within about 1 week. 

The Methods: Mind the Gap series explores research design, measurement, intervention, data analysis and other methods of interest in prevention science. For more information, visit

The NIH Record

The NIH Record, founded in 1949, is the biweekly newsletter for employees of the National Institutes of Health.

Published 25 times each year, it comes out on payday Fridays.

Assistant Editor: Eric Bock (link sends e-mail)

Staff Writer: Amber Snyder (link sends e-mail)