Validity, Reliability, and Sensitivity of Mobile Applications to Assess Change of Direction Speed

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dc.contributor.authorŞahin Uysal, Hüseyin
dc.contributor.authorOjeda-Aravena, Alex
dc.contributor.authorUlaş, Mehmet
dc.contributor.authorBáez-San Martín, Eduardo
dc.contributor.authorRamirez-Campillo, Rodrigo
dc.date.accessioned2023-10-13T15:45:59Z
dc.date.available2023-10-13T15:45:59Z
dc.date.issued2023-07
dc.description.abstractThis study aimed to assess the validity, reliability, and sensitivity of mobile applications for assessing change-of-direction speed (CODS) performance. Thirty college athletes performed two Illinois CODS tests during one session. Assessments were carried out simultaneously using six devices (the CODTimer app, Seconds Count app, StopwatchCamera app, two analog stopwatches, and timing gates). Validity analyses included Pearson's product-moment correlation analysis, a linear regression model, and Bland-Altman plots. Reliability analyses included the intraclass correlation coefficient (ICC), the coefficient of variation (CV%), and the paired-sample t test. Sensitivity analyses included the typical error and smallest worthwhile change (SWC). The results showed that validity, reliability, and sensitivity values were higher for the CODTimer app (r = 0.99, R2 = 0.99, mean bias = −0.03 ± 0.10, CV% = 3.21, ICC = 0.89, SWC rating: good, p = 0.84) and the Seconds Count app (r = 0.99, R2 = 0.99, mean bias = −0.03 ± 0.08, CV% = 3.28, ICC = 0.88, SWC rating: good, p = 0.84) relative to the StopwatchCamera app (r = 0.98, R2 = 0.97, mean bias = −0.11 ± 0.22, CV% = 3.43, ICC = 0.86, SWC rating: marginal, p = 0.10), Analog Stopwatch 1 (r = 0.98, R2 = 0.96, mean bias = −0.09 ± 0.42, CV% = 2.95, ICC = 0.90, SWC rating: good, p = 0.91), and Analog Stopwatch 2 (r = 0.99, R2 = 0.97, mean bias = −0.12 ± 0.88, CV% = 3.51, ICC = 0.87, SWC rating: marginal, p = 0.96). In conclusion, compared to timing gates, the CODTimer app and Seconds Count app provided lower measurement bias and higher sensitivity for assessing CODS performance.
dc.identifier.issn1899-7562
dc.identifier.other10.5114/jhk/167465
dc.identifier.urihttps://hdl.handle.net/20.500.12536/2089
dc.language.isoen
dc.sourceJournal of Human Kinetics
dc.subjectAthletic performance
dc.subjectPhysical fitness
dc.subjectAthletes
dc.subjectConditioning
dc.subjectSports
dc.titleValidity, Reliability, and Sensitivity of Mobile Applications to Assess Change of Direction Speed
dc.typeArtículo de revista
uvm.escuelaEscuela de Educación
uvm.indexScopus
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