We conducted functional analyses of two individuals' aggressive behavior. Results of each of the initial functional analyses were inconclusive with respect to the role of social reinforcers in the maintenance of the behavior. Further assessment was conducted to clarify the role of social reinforcers. One individual's results suggested social…

Prior research has suggested that fixed-time (FT) schedules of reinforcement do not necessarily preclude the acquisition of appropriate behavior (e.g., mands) when combined with differential reinforcement (DRA). These studies also note that dense FT schedules are more likely to interfere with DRA packages than lean FT schedules. In the current…