A common problem in exploratory factor analysis is how many factors need to be extracted from a particular data set. We propose a new method for selecting the number of major common factors: the Hull method, which aims to find a model with an optimal balance between model fit and number of parameters. We examine the performance of the method in an…

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…

Measurement issues relating to behavior modeling research are discussed. Researchers have successfully demonstrated the ability of behavior modeling to produce significant behavioral change in the training milieu, but have been less successful in showing the transfer of such change to everyday situations, a problem partially caused by measurement…

This paper describes the results of a study to: (1) design and evaluate three clinically practicable (e.g., non-analogue) regimens which emphasize treatment components of either behavioral rehearsal and feedback, anxiety management, or a combination of anxiety management and behavior reversal/feedback, and (2) examine the relative effectiveness of…