1. Hanley et al. (2003)

The basis for identifying environmental influences in a functional analysis lies in a comparison of behavior under and control conditions.

2. Hanley et al. (2003)

As described earlier, one general model of functional analysis in current use involves the exclusive manipulation of events.

3. Hanley et al. (2003)

The first comprehensive analysis of the of problem behavior was reported by Iwata (1982/1994, who proposed a general model for concurrently assessing the sensitivity of SIB to contingencies of positive, negative and automatic reinforcement.

4. Hanley (2012)

indirect assessments are most likely preferred because quantifiable results can be obtained quickly and documentation regarding behavior function is created and can be easily filed or shared at a multidisciplinary meeting.