“…There appears to be an increasingly strong case for identification of language and psychiatric disorders in early childhood given the range of effective interventions for early neurodevelopmental and communication problems (Bornstein, Hahn, & Haynes, 2004;Ellis Weismer, 2000;Law, Rush, Cox, & Wood, 2012;Parsons, Schoon, Rush, & Law, 2011;Tickell, 2011). Socioemotional and behavioural difficulties identified in the preschool years often persist (Caspi et al, 1996;Gillberg, 2010) and there is a growing body of evidence reporting adverse physical, mental health and forensic outcomes into adulthood (Arseneault et al, 2000;Billstedt et al, 2005;Caspi et al, 1996;Dodge et al, 1997;Odgers et al, 2007).…”