Table 1.
Summary characteristics for all variables in the behavioral sample (N = 138).
| T1 (n = 115) | T2 (n = 60) | T3 (n = 34) | |
|---|---|---|---|
| Demographics | |||
| Sex, % female | 42 | 45 | 38 |
| Hand, % right | 88 | 88 | 85 |
| Age, mean (SD) | 10.5 (0.5) | 11.8 (0.5) | 13.1 (0.5) |
| IQ, mean (SD) | 102.2 (14.1) | 101.1 (12.8) | 100.6 (11.7) |
| SES, mean (SD) | 1021 (43) | 1025 (46) | 1016 (40) |
| SST performance (ms) | |||
| muS, mean (SD) | 151.91 (62.90) | 139.05 (38.88) | 151.55 (44.23) |
| sigmaS, mean, (SD) | 190.58 (93.97) | 141.96 (87.55) | 139.74 (94.73) |
| tauS, mean (SD) | 148.66 (63.42) | 110.06 (54.72) | 102.37 (57.09) |
| SSRT, mean (SD) | 317.81 (102.30) | 262.59 (71.22) | 266.24 (70.13) |
Note: SD: Standard deviation; IQ: Intelligence Quotient; SES: Socioeconomic status; SSRT: Stop-signal reaction time; MuS: Mu of the stop-signal reaction time distribution; SigmaS: Sigma of the stop-signal reaction time distribution; TauS: Tau of the stop-signal reaction time distribution; T1-T3: time points 1, 2, 3.