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Table 3 AIC values for all models tested in the CFA (smaller values indicate better model fit)

From: “What does ‘often’ even mean?” Revising and validating the Comprehensive Autistic Trait Inventory in partnership with autistic people

Model

AIC

Two-factor bifactors model

174,829.2

Six-factor bifactor model

174,854.3

Correlated six-factor model

176,363.2

Correlated social and non-social hierarchical factors model

176,422.4

Single hierarchical factor model

176,451.1

Correlated two-factor model

181,365.4

One-factor model

182,914.1