The rates of problem behavior maintained by different reinforcers were evaluated across 3 preference assessment formats (i.e., paired stimulus, multiple-stimulus without replacement, and free operant). The experimenter administered each assessment format 5 times in a random order for 7 children with developmental disabilities whose problem…

The purpose of this study was to extend the research on functional communication training by examining the use of a speech-generating device (SGD) for a 7-year-old child with autism and no spoken language who demonstrated inappropriate vocalizations that served multiple functions. An analog functional analysis was used to determine the function of…