Outcome research has shown that early and intensive behavioural
intervention (ABA) may improve intellectual, language and
adaptive functioning in children with autism. However, research
has also indicated that not all ABA provisions are equally effective.
Therefore, it may be beneficial to describe the key variables that are
common to programmes which have been empirically validated
through outcome research. This paper describes a research-based
service model which has been empirically validated. Important
components include treatment in the child’s natural environment,
intensive intervention, treatment based on applied behaviour
analysis, staff training and management, parental involvement,
evaluation of progress, and research-based provision.