HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Submit a response Alert me when this article is cited Alert me when Rapid Responses are posted Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Stratford, P. W Articles by Krebs, D. E Search for Related Content PubMed PubMed Citation Articles by Stratford, P. W Articles by Krebs, D. E Related Collections Related Articles Social Bookmarking                      What's this?

Confidence Limits for Your ICC

To the Editor:

Measuring and reporting an index of reliability has become a requirement for contributors to Physical Therapy.¹ Currently, the reliability index most frequently cited in the physical therapy literature is the intraclass correlation coefficient (ICC), and guidelines have been established to help potential authors identify the type of ICC reported in their work.^2,3 The application of these guidelines has aided readers in their interpretation of the ICC; however, I suggest that an area of deficiency continues to exist. Although it is a requisite practice to report the type of ICC, no standard exists for reporting the confidence one has in the magnitude of the ICC. For example, although the ICC was cited frequently in the most recent volume of Physical Therapy, the same statement cannot be made concerning the application of formal statistical tests supporting the magnitude of the reported coefficients. When statistical tests were applied, the reporting focused solely on the p value....

CiteULike    Complore    Connotea    Del.icio.us    Digg    Reddit    Technorati    What's this?

Related Articles

Reliability Discussion Required

Robert Lamb, Richard Bohannon, Rebecca L Craik, Susan Effgen, Claire Kispert, Harry G Knecht, Kay Shepard, and Gary L Soderberg
Physical Therapy 1987 67: 501. [Abstract] [PDF]

This article has been cited by other articles:

				R. Trevethan Self-assessment of Foot Health: Requirements, Issues, Practicalities, and Challenges J Am Podiatr Med Assoc, September 1, 2009; 99(5): 460 - 471. [Abstract] [Full Text] [PDF]

				T. Kaasa, J. Wessel, J. Darrah, and E. Bruera Inter-rater reliability of formally trained and self-trained raters using the Edmonton Functional Assessment Tool Palliative Medicine, September 1, 2000; 14(6): 509 - 517. [Abstract] [PDF]