Background: The theoretical understanding of firesetting behaviour has predominantly been developed with men in prisons or psychiatric hospitals without neurodevelopmental disabilities. Consequently, there is a lack of evidence regarding the validity of current theory when applied to adults with intellectual disabilities and/or autism. Method:…

Background: Personal construct theory (PCT) is a constructivist approach to understanding human thought and action. Preliminary research focusing on applying PCT concepts and methodologies to understanding individuals with high-functioning autism (HFA) has suggested its utility for both research and clinical interventions. The developmental period…