Young people aged 12-25 account for the highest prevalence and incidence of mental health disorders across the lifespan (McGorry, Bates & Birchwood, 2013). Onset of mental health disorders, of which anxiety disorders comprise a large portion (Eisenberg, Gollust, Golberstein & Hefner, 2007), are said to present shortly before or during typical college-going years (Kessler, Berglund, Demler, Merikangas & Walters, 2005). A broad body of behavioural researchers emphasize the functional role of fear and avoidance responding as central processes that may underlie and maintain anxiety in humans (Dymond, Bennett, Boyle, Roche & Schlund, in press; Luciano et al; 2014). As an alternative to experiential avoidance of undesirable psychological content, a considerable body research supports the efficacy of cognitive defusion (a behavioural technique derived from Acceptance and Commitment Therapy), as a treatment for anxiety related behaviour (Hayes et al., 2006). Despite the posi...
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