Table 1. Number of children participating, means, standard deviation and reliability for all measures at all time points.
| Measures | Time 1 |
Time 2 |
Time 3 |
Time 4 |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Mean (SD) | Reliability | n | Mean (SD) | Reliability | n | Mean (SD) | Reliability | n | Mean (SD) | Reliability | |
| Cross Out | 276 | 18.41 (5.68) | 244 | 21.15 (5.24) | – | 235 | 23.68 (5.42) | – | – | – | ||
| Visual Matching | 185 | 41.41 (7.71) | 201 | 43.51 (8.70) | – | 235 | 45.42 (8.95) | – | – | – | ||
| Listening Span | 277 | 1.56 (.95) | – | – | – | 234 | 2.04 (.90) | – | – | – | ||
| Reading Span | 185 | 1.85 (.74) | – | – | – | – | – | – | – | – | – | |
| Backwards | – | – | – | 244 | 3.28 (1.00) | – | – | – | – | – | – | – |
| Digit Span | ||||||||||||
| Alphabet Span | – | – | – | 201 | 3.41 (.86) | – | – | – | – | – | – | – |
| Operation Span | – | – | – | – | – | – | 232 | 3.80 (1.48) | 230 | 3.97 (1.47) | ||
| Raven | 277 | 17.82 (6.13) | .91 | 244 | 16.34 (5.05) | .87 | – | – | – | 231 | 8.55 (3.66) | .85 |
Note. Reliability = Cronbach’s alpha.