Variable | Min | Max | Mean (SD) | Skew (SE) | Kurtosis (SE) |
---|---|---|---|---|---|
Raven’s scores | 2 | 12 | 8.4 (2.3) | −.56 (.17) | −.21 (.34) |
Teams sports ability | 1 | 5 | 2.7 (1.1) | +.01 (.17) | −.75 (.34) |
Frequency of physical exercise | 1 | 5 | 3.2 (1.0) | −.11 (.17) | −.41 (.34) |
Years of musical training | 0 | 32 | 2.7 (4.3) | 3.1 (.17) | 13.9 (.34) |
Frequency of playing an instrument | 1 | 5 | 1.8 (1.0) | 1.3 (.17) | 1.37 (.34) |
Frequency of playing video games | 1 | 5 | 2.2 (1.1) | .78 (.17) | .03 (.34) |
Frequency of meditation or mindfulness | 1 | 5 | 2.4 (1.0) | +.43 (.17) | −.42 (.34) |
L2/L1 ratio | 0 | 1 | .53 (.37) | −.34 (.17) | −1.38 (.34) |
SES (parents’ education & family income) | 1.3 | 7.3 | 4.4 (1.3) | −.05 (.17) | −.63 (.34) |
(Lack of) Premeditation | 1.8 | 4.0 | 3.1 (0.4) | −.18 (.17) | +.09 (.34) |
Urgency | 1.2 | 3.9 | 2.3 (0.5) | +.11 (.17) | +.17 (.34) |
(Lack of) Perseverance | 2.1 | 3.9 | 2.9 (0.3) | −.00 (.17) | −.08 (.34) |
Self-Control (BSCS) | 1.8 | 4.8 | 3.3 (0.6) | +.03 (.17) | −.17 (.34) |
Z Composite RT across four tasks | −1.3 | 2.5 | 0 (.65) | .84 (.17) | 1.03 (.34) |