Table 2.
Descriptive information for all tasks and dependent measures at Time 1 and Time 2. Note that the attention and memory span tasks were only administered at Time 2. See Libertus, Feigenson and Halberda (2011) for an explanation of each sample size at Time 1 and Footnote 2 for an explanation of each sample size at Time 2.
| Task | Measure | Time 1 N | Time 1 Mean (SD) | Time 2 N | Time 2 Mean (SD) |
|---|---|---|---|---|---|
| ANS acuity task | Accuracy (% correct) | 174 | 65.10 (15.15) | 160 | 76.10 (14.01) |
| RT in ms | 174 | 3205.13 (988.93) | 160 | 2534.10 (615.54) | |
| w | 122 | 0.64 (0.49) | 144 | 0.42 (0.37) | |
| TEMA-3 (math ability task) | Std score | 174 | 107.43 (15.00) | 168 | 109.53 (14.93) |
| Vocabulary questionnaire (expressive vocabulary) | # of words used | 160 | 93.08 (27.81) | 143 | 109.36 (29.85) |
| K-CPT (attention task) | RT | -- | -- | 158 | 687.33 (143.24) |
| d′ | -- | -- | 158 | 0.39 (0.42) | |
| Memory span (forward and backward letter and digit span task) | # of correct sequences | -- | -- | 163 | 4.24 (0.94) |