The regression of lung function change on the initial lung function level is biased when the initial level is measured with random error. Several methods have been ...
Background: Self-report questionnaires play an important role as outcome measures in shoulder research. Having an estimate of the measurement error of these ...
1 Department of Educational Psychology, University of Alberta, Edmonton, Canada 2 Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada 3 Glen Sather Sports Medicine Center, ...
The sample specific nature of reliability is often overlooked in substantive research, with investigators frequently referencing reliability estimates from previous studies as the basis for presuming ...
The study was conducted at the rehabilitation clinic "RehaClinic" (locations Bad Zurzach and Braunwald, Switzerland), which is attended by severely disabled patients suffering from persistent ...
The CORR procedure in base SAS software provides several nonparametric measures of association and associated tests. It computes Spearman's rank-order correlation, Kendall's tau-b, and Hoeffding's ...
Institute of Human Movement Sciences, University of Groningen, the Netherlands Correspondence to: Dr K A P M Lemmink University of Groningen, Institute of Human Movement Sciences, A. Deusinglaan 1, ...
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