Table 2.
Intraclass correlation coefficient with 95% confidence interval and standard error of measurement by age cohort.
| Outcome | Children (n = 26) | Adolescents (n = 22) | Young adults (n = 26) | |||
|---|---|---|---|---|---|---|
| ICC3,1 (95% CI) | SEM | ICC3,1 (95% CI) | SEM | ICC3,1 (95% CI) | SEM | |
| Paper Folding Test [pt.] | 0.78 (0.51–0.90) | 1.6 | 0.94 (0.86–0.98) | 1.1 | 0.87 (0.71–0.94) | 1.5 |
| Mental Rotation Test [pt.] | 0.81 (0.58–0.92) | 2.1 | 0.84 (0.62–0.93) | 1.9 | 0.84 (0.63–0.93) | 2.1 |
| Water Level Task [pt.] | 0.88 (0.74–0.95) | 1.2 | 0.87 (0.70–0.95) | 1.1 | 0.78 (0.50–0.90) | 1.3 |
| Corsi Block Test span [pt.] | 0.95 (0.88–0.98) | 0.3 | 0.84 (0.65–0.93) | 0.4 | 0.85 (0.65–0.93) | 0.4 |
| Corsi Block Test CS [pt.] | 0.93 (0.84–0.97) | 5.0 | 0.76 (0.42–0.90) | 8.8 | 0.90 (0.77–0.95) | 7.5 |
| Numbered Cones Run [s] | 0.91 (0.79–0.96) | 0.4 | 0.86 (0.65–0.94) | 0.4 | 0.90 (0.77–0.95) | 0.3 |
CI, confidence interval; CS, composite score; ICC, intraclass correlation coefficient; SEM, standard error of measurement.