Table 2. Overview on the five calculated classification models and included variables.
Classification model Number of variables Variables
1 Coaches’ eye model 1 z-value of in-game performance from coach assessment
2 Motor performance model 2 mean z-value of general motor performance itemsmean z-value of technical skill items
3 Multidimensional model 6 mean z-value of general motor performance itemsmean z-value of technical skill itemsmean z-value of maturity timing and relative agemean z-value of all three psychological characteristicsmean z-value of all familial support itemsz-value of the training history
4 Coaches’ eye and motor performance model 3 combination of models 1 and 2
5 Holistic model 7 combination of models 1 and 3