Reliability, the consistency of a test or measurement, is frequently quantified in the
movement sciences literature. A common metric is the intraclass correlation coefficient (ICC) …

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 …

Study Design Prospective, single-group observational design. Objectives To determine the
minimal clinically important difference (MCID) for the Disabilities of the Arm, Shoulder and …

Objective Results of reliability and agreement studies are intended to provide information
about the amount of error inherent in any diagnosis, score, or measurement. The level of …

Clinically feasible methods of assessing postural control such as timed standing balance
and functional reach tests provide important information, however, they cannot accurately …

Purpose. This article examines and illustrates the use and interpretation of the kappa
statistic in musculoskeletal research. Summary of Key Points. The reliability of clinicians' …

Background Recently, a new tool for assessing dynamic balance impairments has been
presented: the 14-item Mini-BESTest. Objective The aim of this study was to compare the …

BACKGROUND: Reproducibility concerns the degree to which repeated measurements
provide similar results. Agreement parameters assess how close the results of the repeated …

Abstract Background and Purpose. The quality of a disability scale should dictate when it is
used. The purposes of this study were to examine the validity of a global rating of change as …

Background and Purpose Although various hop tests have been proposed as performance-
based outcome measures following anterior cruciate ligament (ACL) reconstruction, limited …