Table 1.
Within-group comparison of correct sides and incorrect sides ratio, across sessions and days.
| Between days: (D1S1 + D1S2) − (D2S1 + D2S2) | Between sessions: (D1S1 + D2S1) − (D1S2 + D2S2) | Day × Session | Within day 1: D1S2 − D1S1 | D2S1 − D1S2 | Within day 2: D2S2 − D2S1 | |
|---|---|---|---|---|---|---|
| F day | F session | F interaction | t | t | t | |
| Correct sides | ||||||
| Kindergarten | 2.57 | 0.32 | 0.81 | 1.37 | 1.00 | 0.00 |
| Second-grade | 15.31*** | 2.88 | 0.01 | 1.44 | 2.55* | 1.04 |
| Young adults | 24.29*** | 65.19*** | 0.72 | 7.84*** | 2.20* | 4.73*** |
| Error rate: incorrect sides/total sides | ||||||
| Kindergarten | 0.68 | 2.65 | 1.15 | 0.91 | 1.24 | 2.42* |
| Second-grade | 1.65 | 3.46 | 0.12 | 0.88 | 0.28 | 1.65 |
| Young adults | 23.43*** | 2.47 | 1.18 | 1.90 | 3.44** | 0.08 |
*p < 0.05, **p < 0.01, ***p < 0.001. Kindergarten, n = 19; Second-grade, n = 19; Young adults, n = 20. D = Day. S = Session.