Tools & Resources

Quality Assessment Tools

  • IOM Standard: Critically Appraise Each Study
  • AMSTAR

    AMSTAR stands for A MeaSurement Tool to Assess systematic Reviews.

  • JADAD Scale for Reporting Randomized Controlled Trials

    The Jadad scale, sometimes known as Jadad scoring or the Oxford quality scoring system, is a procedure to independently assess the methodological quality of a clinical trial. Jadad et al. published a three-point questionnaire that formed the basis for a Jadad score. 

  • Cochrane Risk of Bias Tool
  • CASP- Critical Appraisal Skills Program
  • Assessing the Risk of Bias of Individual Studies in Systematic Reviews of Healthcare Interventions

    This is a chapter from "Methods Guide for Effectiveness and Comparative Effectiveness Reviews."

  • Newcastle-Ottawa Scale (NOS) for Assessing the Quality of Nonrandomised Studies in Meta-Analyses

    Nonrandomised studies, including case-control and cohort studies, can be challenging to implement and conduct. Assessment of the quality of such studies is essential for a proper understanding of nonrandomised studies. The Newcastle-Ottawa Scale (NOS) is an ongoing collaboration between the Universities of Newcastle, Australia and Ottawa, Canada. It was developed to assess the quality of nonrandomised studies with its design, content and ease of use directed to the task of incorporating the quality assessments in the interpretation of meta-analytic results.

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    Grading Tools

  • GRADE Working Group

    The working group has developed a common, sensible and transparent approach to grading quality of evidence and strength of recommendations.

  • Oxford Centre for Evidence Based Medicine - Levels of Evidence and Grades of Recommendations
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    Reporting Standards for Systematic Reviews

  • AGREE

    The Appraisal of Guidelines for Research and Evaluation (AGREE) Instrument evaluates the process of practice guideline development and the quality of reporting.

  • EQUATOR

    Collects guidance documents on reporting systematic reviews and other types of health research

  • PRISMA

    Preferred Reporting Items for Systematic Reviews and Meta-Analyses

  • MECIR

    The Methodological Expectations of Cochrane Intervention Reviews (MECIR) are methodological standards to which all Cochrane Protocols, Reviews, and Updates are expected to adhere

  • RAMESES publication standards: meta-narrative reviews
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    Online Videos on Systematic Reviews

  • The Campbell Collaboration

    A collection of introductory and advanced videos on systematic reviews

  • Cochrane Introduction to Systematic Reviews

    This module provides an overview to Cochrane systematic reviews, and will take approximately 45 minutes to complete.

  • ​Systematic Review and Evidence-Based Medicine

    Dr. Aaron Carroll (The Incidental Economist) take on evidenced-based practice and systematic reviews

  • How to Critically Appraise Evidence

    A collection of videos on evidence-based practice, common statistical methods in medicine, and systematic reviews

  • Introduction to Meta-Analysis

    Dr. Michael Borenstein short introduction to meta-analysis

    • NIH Library Service: 
    Systematic Reviews
    NIH Subject: 
    Writing and Publishing
    Tagged: 
    Systematic Reviews
    Last modified date: Tue, 11/27/2018 - 5:11pm