The relative age effect in youth soccer across Europe
@article{Helsen2005TheRA, title={The relative age effect in youth soccer across Europe}, author={Werner F. Helsen and Jan van Winckel and A. Mark Williams}, journal={Journal of Sports Sciences}, year={2005}, volume={23}, pages={629 - 636} }
The potential asymmetries in the birth-date distributions of youth soccer players across ten European countries (2175 age citations) were considered. First, we examined the birth-dates of players representing national youth teams in international competitions. Second, the birth-dates of players representing professional club teams in international youth tournaments were analysed. Kolmogorov-Smirnov tests were used to assess differences between observed and expected birth-date distributions…
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