Authors: Harding, JW Wacker, DP Berg, WK Barretto, A Winborn, L Gardner, A

Citation: Jw. Harding et al., Analysis of response class hierarchies with attention-maintained problem behaviors, J APPL BE A, 34(1), 2001, pp. 61-64

Authors: Richman, DM Wacker, DP Winborn, L

Citation: Dm. Richman et al., Response efficiency during functional communication training: Effects of effort on response allocation, J APPL BE A, 34(1), 2001, pp. 73-76