Tuckwiller, Beth D., William R. Dardick, and Elisabeth L. Kutscher. 2017. “Profiles of and Correlations Among Mindset, Grit, and Optimism in Adolescents With Learning Disabilities: A Pilot Study”. Journal of Interdisciplinary Studies in Education 6 (1): 43-62. https://www.ojed.org/jise/article/view/1759.