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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