Table 1 Descriptive statistics for each scale
From: The Early Development Instrument: an evaluation of its five domains using Rasch analysis
Scale | Theoretical range | Mean (SD) | Min score N | Max score N | Item(s) missing N |
|---|---|---|---|---|---|
Physical health and well-being | 0–19 | 16.3 (3.1) | 0 | 404 | 223 |
Social competence | 0–52 | 42.5 (9.8) | 0 | 235 | 90 |
Emotional maturity | 0–60 | 45.7 (10.1) | 0 | 68 | 261 |
Language and cognitive development | 0–26 | 22.5 (4.7) | 1 | 337 | 261 |
Communication & general knowledge | 0–16 | 11.7 (4.7) | 13 | 446 | 26 |