Evidence of validity and reliability of the adaptive functioning scale for intellectual disability (EFA-DI)

Psicologia: Reflexão e Crítica

Psychology: Research and Review

Table 2 Confirmatory factor analysis fit indexes and internal consistency of EFA-DI’s domains and general scale

	CFA fit indexes					Internal consistency
Models	χ² (gl)	CFI	TLI	SRMR	RMSEA	Alpha	Omega
Social	290.2* (88)	0.97	0.97	0.06	0.07	0.93	0.94
Conceptual	159.7* (54)	0.99	0.99	0.02	0.06	0.97	0.98
Practical	545.2* (250)	0.99	0.99	0.03	0.05	0.97	0.97
Second-order factor of general adaptive functioning	1850.6* (1219)	0.99	0.99	0.04	0.03	0.98	0.99

CFI Comparative fit index (acceptable value > 0.90), TLI Tucker-Lewis index (acceptable value > 0.90), RMSEA Root mean square error of approximation (acceptable value < 0.08), SRMR Standardized root mean square residual (acceptable value < 0.08)
*p < 0.05