| CogState (n = 18) | Corsi (n = 19) | RUDAS (n = 19) | SMRT (n = 17) | F | df | p value | Effect size È 2 |
Mean Age (SD) | 40.65 (12.67) | 46.33 (13.22) | 48.45 (15.49) | 49.81 (13.18) | 1.55 | 3 | 0.21 | 0.06 |
Mean years Education (SD) | 10.23 (1.83) | 8.75 (2.38) | 9.21 (2.08) | 9.27 (2.20) | 1.09 | 3 | 0.36 | 0.07 |
Mean no. of languages spoken (SD) | 2.39 (1.20) | 2.42 (1.43) | 2.26 (0.99) | 2.65 (1.06) | 0.32 | 3 | 0.81 | 0.01 |
 |  |  |  |  | χ2 | df | p value | Effect size Phi |
N with English as first language (%) | 7 (38.88%) | 7 (36.84%) | 6 (31.57%) | 8 (47.05%) | 0.93 | 3 | 0.817 | 0.11 |
N Males (%) | 6 (33.33%) | 6 (31.57%) | 8 (42.10%) | 10 (58.82%) | 3.37 | 3 | 0.337 | 0.22 |