“…The reviews were varied in focus and can be roughly grouped as follows: general reviews, where 'the whole' of supervision was examined (Bogo & McKnight, 2006;Borders, 2006;Buus & Gonge, 2009;Newman et al, 2019;O'Donoghue & Tsui, 2015;Tsui, 1997); reviews primarily focused on supervision effects on supervisees and/or clients (Alfonsson et al, 2018;Carpenter et al, 2013;Freitas, 2002;Kühne et al, 2019;Reiser & Milne, 2014;Watkins, 2011;Wheeler & Richards, 2007); single reviews about evidencebased practice (Barrett et al, 2019), supervision models (Simpson-Southward, Waller, & Hardy, 2017), the supervisee's experience of receiving supervision (Wilson, Davies, & Weatherhead, 2016) and the supervisor's experience of providing supervision (Forshaw et al, 2019); and reviews focused on methodology and rigour (Ellis et al, 2008;Ellis & Ladany, 1997;Ellis et al, 1996).…”