Validity and reliability of a voice-recognition game analysis system for field sports

Schokman, P., Le Rossignol, P.F and Sparrow, W.A 2002, Validity and reliability of a voice-recognition game analysis system for field sports, Journal of science and medicine in sport, vol. 5, no. 4, pp. 362-371.

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Title Validity and reliability of a voice-recognition game analysis system for field sports
Author(s) Schokman, P.
Le Rossignol, P.F
Sparrow, W.A
Journal name Journal of science and medicine in sport
Volume number 5
Issue number 4
Start page 362
End page 371
Publisher Sports medicine Australia
Place of publication Belconnen, A.C.T.
Publication date 2002
ISSN 1440-2440
1878-1861
Summary The purpose of this study was to assess the ability of observers to use voice-recognition analysis to accurately classify gait transitions and quantify gait durations typical of team games. Inter-rater and intra-rater reliability was also determined. Four males were filmed performing pre-determined gait protocols, each comprising different sequences of walking, jogging. running and sprinting. Two operators independently classified gait transitions and the time spent in each gait was determined by the voice recognition system. All gait modes as measured by trained observers demonstrated statistically significant correlations (p<O.O I) to predetermined measurement criteria. The mean absolute error for all gait transitions was less than half a second (0.32-0.36 5) with the maximum percentage error being approximately 4% for the walk, jog and run gaits and 10% for sprinting. Gait classification error was low at 1-9%. The intra-rater and inter-rater reliability was consistently high ranging from r =' 0.87 to 0.99. In conclusion, observers using voice-recognition software provided valid measures of time spent in each of the four gait categories with 90% or better accuracy achieved.
Language eng
Field of Research 170114 Sport and Exercise Psychology
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30001541

Document type: Journal Article
Collection: School of Health Sciences
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