Hartmann CW, Mills WL, Pimentel CB, Palmer JA, Allen RS, Zhao S, Wewiorski NJ, Sullivan JL, Dillon K, Clark V, Berlowitz DR, Snow AL. Impact of Intervention to Improve Nursing Home Resident-Staff Interactions and Engagement. Gerontologist. 2018 07 13; 58(4):e291-e301.