References

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• 1968Weighted kappa: Nominal scale agreement provision for scaled disagreement or partial credit.8,789 cited
• 2005The Kappa Statistic in Reliability Studies: Use, Interpretation, and Sample Size Requirements4,094 cited
• 1998Sample size and optimal designs for reliability studies2,312 cited
• 1995How to Measure Survey Reliability and Validity1,464 cited
• 2008A guide for the design and conduct of self-administered surveys of clinicians1,404 cited
• 1990Designing and conducting health surveys: a comprehensive guide691 cited
• 2003Using the Internet to conduct surveys of health professionals: a valid alternative?475 cited
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• 2000Methods for the Design and Administration of Web-based Surveys304 cited
• 2003Comparison of E-mail, Fax, and Postal Surveys of Pediatricians284 cited
• 2001Planning a reproducibility study: how many subjects and how many replicates per subject for an expected width of the 95 per cent confidence interval of the intraclass correlation coefficient262 cited
• 2005In a mailed physician survey, questionnaire length had a threshold effect on response rate253 cited
• 2012Pitfalls and Important Issues in Testing Reliability Using Intraclass Correlation Coefficients in Orthopaedic Research