Journal ArticleDOI
Statistical Methods For Assessing Measurement Error (Reliability) in Variables Relevant to Sports Medicine
Greg Atkinson,Alan M. Nevill +1 more
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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
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Variability in Straight Leg Raise Measurements
Jane Dixon,Jennifer Lyn Keating +1 more
TL;DR: A number of procedures to decrease error in SLR measurements are proposed, including standardisation of the SLR test protocol.
Journal ArticleDOI
Functional balance tests for children with traumatic brain injury: within-session reliability.
TL;DR: Within-session reliability values are excellent for the MFRT and good for the TUG test in children with TBI and children with typical development.
Journal ArticleDOI
Reliability and validity of the inertial sensor-based Timed "Up and Go" test in individuals affected by stroke.
TL;DR: The reliability and validity of the iTUG using body-fixed inertial sensors in people affected by stroke and the future application of the inertial sensor-based iTUG test for the assessment of physical deficits poststroke in longitudinal study designs are warrant.
Journal ArticleDOI
Dynamic spectral indices of the electroencephalogram provide new insights into tonic pain
TL;DR: Electroencephalography assessed during tonic pain is a valid experimental pain model both in terms of reliability between days and in connection between cortical activity and pain perception.
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Cross-cultural translation and measurement properties of the Polish version of the Knee injury and Osteoarthritis Outcome Score (KOOS) following anterior cruciate ligament reconstruction
TL;DR: The Polish version of the KOOS is found to be a valid and reliable instrument for use in patient groups having ACLR and responsiveness was demonstrated since the expected pattern of effect sizes between subscales following ACLR was found.
References
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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.