Developmental screening in a Canadian First Nation (Mohawk): psychometric properties and adaptations of ages & stages questionnaires (2nd edition)

Table 2 Standardized alphas by developmental domain and age interval for Mohawk and U.S. populations

Age interval	n		Communication		Gross motor		Fine motor		Problem solving		Personal-social
	Mo	U.S.	Mo	U.S.	Mo	U.S.	Mo	U.S.	Mo	U.S.	Mo	U.S.
36 months^a	68	231	.70	.69	.43	.76	.79	.72	.31	.66	.40	.55
42 months^b	55	950	.68	.72	.56	.68	.61	.76	.70	.72	.31	.66
48 months^a	74	336	.84	.79	.75	.84	.81	.86	.71	.85	.70	.86
54 months^b	61	586	.83	.83	.71	.73	.73	.79	.64	.75	.65	.71

Note. Mo: Mohwak. Cronbach’s alphas for the U.S. sample were combined from two different sources: ^aSquires et al. [3] (second edition) and ^bSquires et al. [18] (third edition) user’s guides as the coefficients for the 42- and 54-month intervals were not available in the second edition. Coefficients for the U.S. sample are presented for informational purposes.

ISSN: 1471-2431