Singh, N., Lancioni, G., Winton, A., Curtis, W., Wahler, R., Sabaawi, M., … McAleavey, K. (1969). Mindful staff increase learning and reduce aggression in adults with developmental disabilities. Research in Developmental Disabilities, 27(5), 545-58. https://doi.org/10.1016/j.ridd.2005.07.002 (Original work published 1969)