We trained 9 behavioral staff members to conduct 2 brief preference assessments using 30-min video presentations that contained instructions and modeling. After training, we evaluated each staff member's implementation of the assessments in situ. Results indicated that 1 or 2 training sessions for each method were sufficient for teaching each…

Although delusional statements in people with intellectual disabilities and traumatic brain injury can be treated using behavioral interventions, none have demonstrated long-term treatment effects. In the current study, a functional analysis demonstrated that delusional statements were maintained by attention. Differential reinforcement of…