“…Given that autism spectrum disorders (ASDs) 1 are now thought to occur in around 1 in 88 births (Centres for Disease Control and Prevention, 2012), there is a clear need for reliable and valid screening tools. If reliable screening tools can lead to earlier diagnosis, a number of early interventions that have been found to be effective in reducing symptoms of ASDs and improving function could be implemented (Darrou et al, 2010;Dawson et al, 2010). In an effort to improve early detection, a number of autism-specific screening tools for toddlers have been developed, including an Australian tool, the Autism Detection in Early Childhood ADEC (Young, 2007).…”