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This document provides guidance to study authors about how to describe group design studies and report their findings in a way that is clear, complete, and transparent. The first two sections detail the descriptive information, and the third section describes the data that WWC reviewers use to assess studies.

This document does not include information about how studies are judged against WWC design standards. For information about the WWC review process and design standards, please refer to the WWC Procedures and Standards Handbooks.

Table of Contents

  • Which studies does the WWC Review?
  • What information should a study have for the WWC to review it?
  • Specific reporting guidelines for randomized controlled trials and for quasi-experimental studies
  • Table 1. Intervention and comparison conditions
  • Table 2. Study sample and context
  • Table 3. Study pre-registration and conflicts of interest
  • Table 4. Study design and measures
  • Table 5. Sample formation and analysis
  • Table 6. Descriptive statistics for the analytic sample – for each measure
  • Table 7. Study results – for each outcome measure
  • Table 8. Attrition and nonresponse – only need for studies with randomized assignment

Document Details

  • Version: 4.1
  • Released: July 2021
  • Version: 2.0
  • Released: July 2021
  • Version: 1.0
  • Released: August 2012

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