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)