“…Anxiety is characterised by intense and persistent fears and worries, and if untreated, can lead to peer difficulties (Wood, 2006), poor school attendance and performance (Van Ameringen, Mancini, & Farvolden, 2003), other psychological problems such as alcohol or drug use (Zimmermann et al, 2003) and adult anxiety and mood disorders (Pine, Cohen, Gurley, Brook, & Ma, 1998). Adolescent anxiety therefore generates considerable costs for the economy (Greenberg et al, 1999), prompting calls for early treatment and prevention (Sahakian, Malloch, & Kennard, 2010).…”