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…

Describing the state of the science of ABA, this comprehensive handbook provides detailed information about theory, research, and intervention. The contributors are leading ABA authorities who present current best practices in behavioral assessment and demonstrate evidence-based strategies for supporting positive behaviors and reducing problem…

School-wide behavior support has experienced recent interest among educators. This approach has been embraced because of its potential for decreasing school violence and improving school climate. In this paper we examine issues related to construct, internal, external, and social validity of school-wide support as it has been conceptualized in…