The structure of reduced potential performance model in ski jumping
Jošt, Bojan ; Tušak, Matej
The purpose of this study has been to establish on a sample of 50 best Slovene ski jumpers the structure of the reduced model of potential performance in ski jumping by means of a decision expert ...system called "Sport Expert - SPEX". In the first phase, a model of the so-called competition and potential performance was constructed. Thus, elementary and derived morphological-motor and psychological variables were included into the model of potential performance. The two subspaces of the variables, both the morphological-motor ones and the psychological ones, were statistically significantly correlated with the competition performance of ski jumpers in the 1997/98 season (Mult R = .76, Rsq R = .58, Sig F = .00. Using the selected variables it was possible to explain 46 % of the performance variance within the morphological-motor space (Mult R = .68, Rsq R= .46, Sif F = .00), and 51 % of the performance variance within the psychological subspace (Mult R = .71, Rsq R = .51, Sig F = 0.00). The contribution of the psychological space to the formation of a common regression equation - in whose formation the transformed values of the morphological-motor space and psychological space were used - was slightly larger (Beta = 0.44).
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