Direct methods of functional assessment--through which information is gathered by observing environment--behavior relations--vary with the degree to which environmental events are manipulated. Unstructured (ABC) assessments involve observing the occurrence of problem behavior without altering environmental events in any way. At the other extreme,…

The analog functional analysis involves the manipulation of pre-determined antecedent and consequent events and typically is conducted by trained experimenters. Inclusion of idiosyncratic variables in the analog functional analysis may affect responding. Inclusion of caregivers is one potential antecedent that may affect problem behavior. The…