* 2019, CDC
** Fenske, E. C., Zalenski, S., Krantz, P. J., & Mcclannahan, L. E. (1985). Age at intervention and treatment outcome for autistic children in a comprehensive intervention program.
*** Strauss, K., Vicari, S., Valeri, G., D’Elia, L., Arima, S., & Fava, L. (2012). Parent inclusion in Early Intensive Behavioral Intervention: The influence of parental stress, parent treatment fidelity and parent-mediated generalization of behavior targets on child outcomes.