Background: While research indicates elevated behavioural and emotional problems in children with autism spectrum disorders (ASD) and decreased well-being in their parents, studies do not typically separate out the contribution of ASD from that of associated intellectual disabilities (ID). We investigated child behavioural and emotional problems,…

Siblings of children with autism may be at greater risk for psychological problems than siblings of children with another disability or of typically developing (TD) children. However, it is difficult to establish whether autism or the presence of intellectual disability (ID) explains the findings in previous research. Mothers rated the emotional…