| Age, biological maturation |
chronological age (years)
relative age (month)
age at peak height velocity (years) |
Mirwald et al., 2002 |
rtt = .96 |
| Anthropometry |
height (cm)
weight (kg) |
|
rtt = .99
rtt = .99 |
| Coach assessment |
in-game performance (points) |
Zuber and Conzelmann, 2014 |
W = .89 |
| General motor performance |
YoYo (m)
counter-movement-jump (cm)
40 m-sprint (sec)
agility test (sec) |
Bangsbo et al., 2008
Casartelli et al., 2010
Zuber et al., 2016
Höner et al., 2015 |
rtt = .93
ICC = .96
rtt = .96
rtt = .83 |
| Technical skills |
dribbling (sec)
passing (sec)
juggling (points) |
Höner et al., 2015
Zuber et al., 2016
Höner et al., 2015; Zuber et al., 2016 |
rtt = .56
rtt = .68
rtt = .79 |
| Psychological characteristics |
achievement motive (net-hope)
achievement goal orientations (score)
self-determination (index) |
Wenhold et al., 2009
Elbe, 2004
Pelletier et al., 1995; Demetriou, 2012 |
α = .76/.73
α = .80/.72/.81
α = .86 |
| Familial support |
importance of football within family (score)
parents’ priority of sport vs. school (score)
financial investment (Swiss Francs / year)
time investment (h / week) |
|
rtt = .63
rtt = .52
rtt = .78
rtt = .59 |
| Training history |
practice and play up to 12 years of age (h) |
Hopwood, 2015 |
.59 ≤ rtt ≤ .97 |