Journal ArticleDOI
Statistical Methods For Assessing Measurement Error (Reliability) in Variables Relevant to Sports Medicine
Greg Atkinson,Alan M. Nevill +1 more
TLDR
It is recommended that sports clinicians and researchers should cite and interpret a number of statistical methods for assessing reliability and encourage the inclusion of the LOA method, especially the exploration of heteroscedasticity that is inherent in this analysis.Abstract:
Minimal measurement error (reliability) during the collection of interval- and ratio-type data is critically important to sports medicine research. The main components of measurement error are systematic bias (e.g. general learning or fatigue effects on the tests) and random error due to biological or mechanical variation. Both error components should be meaningfully quantified for the sports physician to relate the described error to judgements regarding ‘analytical goals’ (the requirements of the measurement tool for effective practical use) rather than the statistical significance of any reliability indicators.read more
Citations
More filters
Journal ArticleDOI
Attack Efficacy in Volleyball: Elite Male Teams
TL;DR: The goal was to identify performance indicators predicting attack efficacy in volleyball's game phase denominated Complex II, i.e., the counter-attack, by predicting Attack tempo, Attack type, and Number of blockers.
Journal ArticleDOI
The Effect of Biological Movement Variability on the Performance of the Golf Swing in High- and Low-Handicapped Players
Elizabeth J. Bradshaw,Justin W L Keogh,Patria A. Hume,Peter S Maulder,Jacques Nortje,Michel Marnewick +5 more
TL;DR: Absolute invariance in the key technical positions of the golf swing appears to be a more favorable technique for skilled performance in high- and low-handicap players.
Journal ArticleDOI
Responsiveness of the Shoulder Pain and Disability Index in patients with adhesive capsulitis
TL;DR: This study supports the use of SPADI as an outcome measure in similar settings and indicates a smallest detectable difference of 17 points on the 0–100 scale, and an intraclass correlation coefficient of 0.89, which was generally more responsive than ROM.
Journal ArticleDOI
Regional cerebral blood flow in humans at high altitude: gradual ascent and 2 wk at 5,050 m.
Christopher K. Willie,Kurt J. Smith,Trevor A. Day,L. A. Ray,Nia C. S. Lewis,Akke Bakker,David B. MacLeod,Philip N. Ainslie +7 more
TL;DR: Variation in CBF during ascent and acclimatization is related to ventilatory acclim atization, as reflected in changes in SpO2, and TCCD-measured MCA flow paralleled the temporal changes in total CBF.
Journal ArticleDOI
Repeated testing for the assessment of individual response to exercise training.
TL;DR: This work reports a first implementation of a repeated testing training trial for the investigation of individual response, and a comprehensive comparison of previously published methods exemplifies the striking heterogeneity of existing approaches.
References
More filters
Journal ArticleDOI
Statistical methods for assessing agreement between two methods of clinical measurement.
TL;DR: An alternative approach, based on graphical techniques and simple calculations, is described, together with the relation between this analysis and the assessment of repeatability.
Book
Practical statistics for medical research
TL;DR: Practical Statistics for Medical Research is a problem-based text for medical researchers, medical students, and others in the medical arena who need to use statistics but have no specialized mathematics background.
Journal ArticleDOI
Statistical methods for assessing agreement between two methods of clinical measurement
TL;DR: In this article, an alternative approach, based on graphical techniques and simple calculations, is described, together with the relation between this analysis and the assessment of repeatability, which is often used in clinical comparison of a new measurement technique with an established one.
Journal ArticleDOI
A concordance correlation coefficient to evaluate reproducibility.
TL;DR: A new reproducibility index is developed and studied that is simple to use and possesses desirable properties and the statistical properties of this estimate can be satisfactorily evaluated using an inverse hyperbolic tangent transformation.