Table 7.
ABAS-2 versus ABAS-3 mean scaled/standard score differences and effect sizes for studies 1 and 2
| Study 1 mean difference (n = 2327) | Study 1 effect sizes (d) | Study 2 mean difference (n = 572) | Study 2 effect sizes (d) | |
|---|---|---|---|---|
| GAC | 5.37 | 0.37 | 6.69 | 0.43 |
| Conceptual | 2.69 | 0.20 | 3.27 | 0.23 |
| Communication | 0.47 | 0.16 | 0.66 | 0.21 |
| Functional academics | 0.62 | 0.22 | 0.59 | 0.19 |
| Self-direction | 1.48 | 0.51 | 1.52 | 0.52 |
| Social | 0.67 | 0.04 | 1.69 | 0.11 |
| Leisure | ‒0.28 | 0.09 | ‒0.27 | 0.08 |
| Social | 0.89 | 0.26 | 0.81 | 0.23 |
| Practical | 7.22 | 0.47 | 8.60 | 0.51 |
| Community use | 1.86 | 0.60 | 1.64 | 0.50 |
| Home living | 2.16 | 0.69 | 2.24 | 0.76 |
| Health and safety | 0.06 | 0.02 | 0.42 | 0.13 |
| Self-care | 1.56 | 0.51 | 1.89 | 0.62 |
Note. Composites are presented as standard scores (M = 100, SD = 15), subscales are presented as scaled scores (M = 10, SD = 3); mean difference = ABAS-3 — ABAS-2.
ABAS, Adaptive Behavior Assessment System.