
Individually Randomized Group Treatment Trials: A Critical Appraisal of Frequently Used Design and Analytic Approaches
Author(s) -
Sherri Pals,
David M. Murray,
Catherine M. Alfano,
William R. Shadish,
Peter J. Hannan,
William L. Baker
Publication year - 2008
Publication title -
american journal of public health
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.284
H-Index - 264
eISSN - 1541-0048
pISSN - 0090-0036
DOI - 10.2105/ajph.2007.127027
Subject(s) - sample size determination , intraclass correlation , research design , randomized controlled trial , medicine , sample (material) , psychology , public health , test (biology) , clinical trial , clinical psychology , statistics , psychometrics , mathematics , pathology , paleontology , chemistry , chromatography , biology
We reviewed published individually randomized group treatment (IRGT) trials to assess researchers' awareness of within-group correlation and determine whether appropriate design and analytic methods were used to test for treatment effectiveness.