“…The effectiveness of DIRT has been examined in 10 publications, including two randomised controlled trials (RCTs; Jones & Menzies, 1998;Krochmalik, Jones, Menzies, & Kirkby, 2004), one multiple baseline case series (Krochmalik, Jones, & Menzies, 2001), one uncontrolled case series (Jones & Menzies, 1997), one naturalistic study (Drummond et al, 2007), and five single case reports (Drummond & Kolb, 2008;Govender, Drummond, & Menzies, 2006;Hambridge & Loewenthal, 2003;O'Brien, Jones, & Menzies, 2004;St. Clare, 2004).…”