However,despite the large number of therapeutic approaches,at present neither proven therapies nor preventive measures exist for the universal treatment of autism, which remains a serious and life-long disability.Parents of children with ASD may choose to use complementary and alternative treatments with their children in addition to,or in place of,conventional treatments,entering these programs with high expectations (Christonetal.2010).This high lights the need for methodologically sound research on treatment effectiveness to help parents and professionals make educated judgments regarding both non-conventional and routine interventions.