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ERIC Number: EJ825849
Record Type: Journal
Publication Date: 2007-Jun
Pages: 11
Abstractor: As Provided
Reference Count: 21
ISSN: ISSN-1091-367X
A Weighted Kappa Coefficient for Three Observers as a Measure for Reliability of Expert Ratings on Characteristics in Handball Throwing Patterns
Schorer, Jorg; Weiss, Christel
Measurement in Physical Education and Exercise Science, v11 n3 p177-187 Jun 2007
Many methods for the identification of key variables in movement patterns have the problem that direct transferability back to coaches or players is not easy; this is because the variables used are not presented in the language of most sport participants. Using a research strategy--from the coaches back to the coaches--proposed by Roth (1996), this study tries to identify discriminative variables by an expert rating. The statistical problem was to analyze the reliability between three coaches. A new, weighted Kappa coefficient for multiple observers is introduced as an extension of what Fleiss proposed in 1971, which takes into account the different types of disagreement. It is concluded that the high variability among different variable's reliability can be considered as a measurement of the difficulty for the expert ratings. The results also indicate that simple movement features could be identified and transferred as instructions for goalkeepers back to the coaches. (Contains 2 tables and 1 figure.)
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A