BetaGov Tools

BetaGov wants to help your agency develop its own portfolio of evidence-based programs and practices generated from meaningful ideas and tested in your own environment with your own clients, staff, and culture.

BetaRandomizer

Effects Size Calculator

List Randomizer

Number Randomizer

Stratified Sampling Calculator

Consort Diagram

Developing a Protocol for Observational Comparative Effectiveness Research: A User's Guide

Sample size calculator for comparing two proportions

Sample size calculator for comparing two means (comparing averages)

Sample size calculator for repeat measures

Other Resources

  • Regulatory Oversight
  • Trial Registration
  • Guidance

The following resources offer additional support and will help you better conceptualize, design, and implement your randomized controlled trial.

Human Research Protections

Office for Human Research Protections (OHRP)

Clinicaltrials.gov

Center for Open Science, Open Science Framework

Common Questions and Concerns about Randomized Evaluations

Real-World Challenges to Randomization and Their Solutions

Impact Evaluation Methods

Understanding Research Study Designs

Study Design 101

Bureau of Justice Assistance - U.S. Department of Justice (BJA)

Mechanism Experiments and Policy Evaluations

Random Harvest: Once Treated with Scorn, Randomised Control Trials Are Coming of Age

Test, Learn, Adapt: Developing Public Policy with Randomised Controlled Trials

Randomized Controlled Trials: Questions, Answers, and Musings

Research Information and Reporting

Randomized Trials

Staying in Touch: A Fieldwork Manual of Tracking Procedures for Locating Substance Abusers in Follow-up Studies

Fact Sheet: Launching the Data-Driven Justice Initiative: Disrupting the Cycle of Incarceration