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Prodromal symptoms of Autism Spectrum Disorder (ASD) have been detected within the first year of life. This review evaluated evidence from randomized controlled trials (RCTs) of parent-mediated interventions for infants under 24 months who are at risk for ASD. Electronic databases, including grey literature, were searched up till November 2019. Seven RCTs were identified. There was substantial heterogeneity in recruitment, outcome measures and effect size calculations. Interventions did not reduce the risk of later ASD diagnosis and post-intervention effects on infant outcomes were inconsistent, with five studies reporting significant improvements across both treatment and control groups. Moderate level of evidence of intervention effects on parental interaction skills and the small number of RCTs, and significant limitations restrict generalizability across studies., Author(s): Mei L. Law [sup.1] [sup.2] , Jatinder Singh [sup.1] [sup.2] , Mathilde Mastroianni [sup.1] [sup.2] , Paramala Santosh [sup.1] [sup.2] Author Affiliations: (1) grid.13097.3c, 0000 0001 2322 6764, Department [...]

Although 70% of autistic children and young people meet criteria for co-occurring psychiatric conditions, there are few screening measures specifically for autistic individuals. We describe the development and validation of the Assessment of Concerning Behavior (ACB), an instrument co-developed with the autistic community to assess mental health and problematic/risky behaviors. Items include descriptions to facilitate symptom recognition by autistic people, and carers/professionals. The ACB was completed by 255 parents, 149 autistic children and young people and 30 teachers. Internal consistency, stability and validity was assessed. The ACB parent-version fit a two-factor model (internalizing and externalizing problems) and showed adequate test-retest reliability, internal consistency and construct validity. The ACB is a promising new measure for research and clinical use in autism., Author(s): Joanne Tarver [sup.1] [sup.2] , Silia Vitoratou [sup.3] , Mathilde Mastroianni [sup.1] [sup.4] , Natalie Heaney [sup.1] , Eleanor Bennett [sup.1] , Felicity Gibbons [sup.1] , Federico Fiori [sup.1] [...]