trajectories of cognition and autism symptoms from childhood to early adulthood and identify
features that predict the level of function and change with development. Method Latent
growth curve models were fitted to data from the Special Needs and Autism Project cohort at
three time points: 12, 16, and 23 years. Outcome measures were IQ and parent-reported
Social Responsiveness Scale autism symptoms. Of the 158 participants with an autism …