Table 2 Mean sample characteristics of the three groups studied
Control | Vocal | Instrumental | |
|---|---|---|---|
Age | 25.6 ± 5.9 | 25.23 ± 5.43 | 26.65 ± 6.76 |
Education (1: low 5 high) | 3.4 ± 1 | 3.5 ± 1 | 3.5 ± 0.9 |
IQ | 100.2 ± 10.7 | 101.9 ± 11.9 | 105.7 ± 14.0 |
Extraversion/Introversion | 2.75 ± 0.44 | 2.55 ± 0.52 | 2.58 ± 0.53 |
N of subjects | 40 | 79 | 80 |
% female | 67.5 % | 65.8 % | 67.5 % |