The Methods Coordinating Group compiled this listing of useful tools and information portals for Campbell authors and reviewers. These online resources feature software and toolkits from collaborators, manuals on systematic review techniques, and recommended guidelines in methods.
Cochrane Handbook for Systematic Reviews of Interventions
The single best web-based source for doing systematic reviews.
Cochrane Open Learning Materials
The Cochrane Open Learning Materials is a great training resource that walks reviewers through each phase of the process of a systematic review.
TrialStat! offers software to help organize the systematic review process.
*Free for Campbell and Cochrane reviewers. (NOTE: You may need to click this link twice before the site will open.)
EQUATOR Network (Enhancing the Quality and Transparency of Health Research)
This EQUATOR Network's web page links to several useful documents, including CONSORT, QUORUM, and MOOSE guidelines.
Public Health Resource Unit of the National Health Service (PHRU), UK
The PHRU provides tools to help with quality appraisal for several types of research designs, including systematic reviews.
Centre for Reviews and Dissemination (CRD), University of York, UK
The CRD offers guidance for reviewers undertaking a systematic review.
David Wilson's page on "Meta-Analysis Stuff"
David Wilson (George Mason University) provides an excel spreadsheet for computing a variety of effect sizes; SPSS, Stata, and SAS macros for performing meta-analyses; and Powerpoint slides on a variety of issues related to systematic reviews and meta-analysis.
Will Shadish's page on "Meta-Analysis Links"
Will Shadish (University of California at Merced) offers citations to software for meta-analysis and effect size calculation; also has links to information on conducting meta- analysis with single case designs
Lee Becker's page of "Effect Size Calculators"
Lee Becker (University of Colorado at Colorado Springs) provides a simple web-based calculator for computing standardized mean difference effect sizes from means and standard deviations or from t-statistics with degrees of freedom.
School of Health and Related Research, University of Sheffield, UK
This web page offers links to internet-based information on conducting all aspects of a systematic review.
What Works Clearinghouse Effect Size Interpretation
A guide to thinking about issues involved in interpreting effect sizes is provided by the What Works Clearinghouse.