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. 2022 Nov 13;16(1):122–142. doi: 10.1002/aur.2842

FIGURE 1.

FIGURE 1

Intelligence quotient (IQ) (ELC) as a function of age for infants from ASD versus TD groups from linear multilevel models, showing significantly lower y‐intercept and a negative slope for ASD (vs. TD) as a function of age. ELC, Early Learning Composite standard score (mean 100, SD: 15); ASD, Autism Spectrum Disorder; TD, typically developing. In children with ASD, increased age predicts significantly lower full‐scale IQ (ELC) (B slope = −0.10, t[2943] = −3.53) while in TD children, increased age predicts significantly higher ELC (B slope = 0.40, t[1179] = 8.91) (all p < 0.001)