1. Abramson, L. Y., Seligman, M. E., & Teasdale, J. D. (1978). Learned helplessness in humans: Critique and reformulation. Journal of Abnormal Psychology, 87, 49.
2. Ashbaugh, K. (2014, September). Improving success for adults with ASD in higher education and employment settings. Paper presented at the Seventh Annual Pivotal Response Treatment Conference. University of California, Santa Barbara.
3. Baker-Ericzen, M. J., Stahmer, A. C., & Burns, A. (2007). Child demographics associated with outcomes in a community-based Pivotal Response Training program. Journal of Positive Behavioral Interventions, 9, 52–60.
4. Barnhill, G. P., & Myles, B. S. (2001). Attributional style and depression in adolescents with Asperger syndrome. Journal of Positive Behavior Interventions, 3, 175–182.
5. Bellugi, U. (1965). The development of interrogative structures in children’s speech. In K. Riegel (Ed.), The development of language functions (pp. 103–138). Ann Arbor, MI: University of Michigan Language Development Program.