The CONSORT Statement: Explanation and Elaboration

Letters18 June 2002The CONSORT Statement: Explanation and ElaborationHidemichi Yuasa, DDS, PhDHidemichi Yuasa, DDS, PhDCentral Hospital of Tokai Medical Institute; Aichi 476-8511, JapanSearch for more papers by this authorAuthor, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-136-12-200206180-00014 SectionsAboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail TO THE EDITOR:The paper by Altman and colleagues on the revised CONSORT (Consolidated Standards of Reporting Trials) statement (1) is remarkable, and in the future, their work will be the standard for all researchers. Unfortunately, their definition of the term validity is vague. Campbell first classified validity into two categories, internal validity and external validity, as did Altman and colleagues. In 1979, however, Campbell classified validity into four categories: internal validity, statistical conclusion validity, construct validity, and external validity (2), a definition that is now in general use (3, 4). However, Altman and colleagues did not define or classify ...References1. Altman DG, Moher D, Egger M, Davidoff F, Elbourne D, et al . The revised CONSORT statement for reporting randomized trials: explanation and elaboration. Ann Intern Med. 2001;134:663-94. [PMID: 11304107] LinkGoogle Scholar2. Cook T, Campbell DT. Quasi-Experimentation: Design and Analysis Issues in a Field Setting. Chicago: Rand McNally; 1979. Google Scholar3. . Cooper H, Hedges LV, eds. The Handbook of Research Synthesis. New York: Russell Sage Foundation; 1994. Google Scholar4. Cook T. Toward a practical theory of external validity.. In: Bickman L, eds. Validity and Social Experimentation: Donald Campbell's Legacy. 1 Nashville TN: Sage; 2000. Google Scholar5. Lynch JG. Theory and external validity. Journal of the Academy of Marketing Science. 1999;27:367-77. CrossrefGoogle Scholar Author, Article, and Disclosure InformationAffiliations: Central Hospital of Tokai Medical Institute; Aichi 476-8511, Japan PreviousarticleNextarticle Advertisement FiguresReferencesRelatedDetailsSee AlsoThe Revised CONSORT Statement for Reporting Randomized Trials: Explanation and Elaboration Douglas G. Altman , Kenneth F. Schulz , David Moher , Matthias Egger , Frank Davidoff , Diana Elbourne , Peter C. Gøtzsche , Thomas Lang , and The CONSORT Statement: Explanation and Elaboration Kenneth M. Kessler The CONSORT Statement: Explanation and Elaboration Matthias Egger , Douglas G. Altman , and Kenneth G. Schulz Metrics Cited ByEvidence-based pediatric asthma interventions and outcome measures in a healthy homes program: An integrative reviewExternal validity of a randomised clinical trial of temporomandibular disorders: analysis of the patients who refused to participate in research 18 June 2002Volume 136, Issue 12Page: 926KeywordsForecastingSystematic reviews ePublished: 18 June 2002 Issue Published: 18 June 2002 CopyrightCopyright © 2002 by American College of Physicians. All Rights Reserved.PDF DownloadLoading ...