“…The association between developmental stuttering and diminished psychological wellbeing has been extensively documented (Craig, Blumgart and Tran, 2009;Craig and Hancock, 1995;Craig and Tran, 2014;Iverach, O'Brian, Jones, Block, Lincoln, Harrison, Hewat, Menzies, Packman and Onslow, 2009;Iverach and Rapee, 2014;McAllister, Collier and Shepstone, 2013;McAllister, Kelman and Millard, 2015;Menzies, O'Brian, Onslow, Packman, St Clare, and Block, 2008). In particular, social anxiety disorder, an excessive and persistent fear or expectancy of negative evaluation in situations involving social interaction (American Psychiatric Association, 1994;Beck, Emery, & Greenberg, 1985) has been shown in several studies to be much more prevalent in adults who stutter than in the general population (Blumgart, Tran and Craig, 2010;Iverach and Rapee, 2014;Iverach et al, 2009;Menzies et al, 2008).…”