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Density functions of Pragmatic Rating Scale–School Age (PRS-SA) scores across clinical groups using kernel density estimation. Mean ± 1 SD of the TD group PRS-SA score (age and sex adjusted) are plotted on each graph. TD = typically developing; LC = language concern; ASD + LC = autism spectrum disorder with language concern; ASD = autism spectrum disorder (only); SCIO = social communication impairment only.
