This article demonstrates the impact of functional analysis methodology on clinical work, by describing the evolution of assessment procedures based on "brief functional analysis" methodology at University of Iowa outpatient clinics. It discusses the positive impact functional analysis has had on outpatient clinic assessment as well as…

Emphasis on technological precision and methodological sophistication in the field of applied behavior analysis has brought about a deemphasis of theoretical and philosophical concerns. For theoretical development of the field to move ahead, applied behavior analysts must develop the principles needed to describe ways of predicting and controlling…

This essay discusses the significance functional analysis has had for applied behavior analysis of aberrant behavior. The methodology has lessened the field's reliance on default technologies and promoted analysis of environment-behavior interactions maintaining target responses as the basis for selecting treatments. It has also contributed to the…

To the extent that applied behavior analysis represents a scientific and practical approach to the study of behavior, its technological character is essential. The most serious problem evident in the field is not that the research being done is too technical but that more good research of all types is needed. (JDD)