“…Thirty-nine studies, including 31 research articles, two conference abstracts and six research reports, were selected for inclusion as research on the perceived legitimacy of antidoping organisations and testing. Thirty of these studies utilised quantitative methodology (Al Ghobain, 2019;Donovan et al, 2015;Bourdon et al, 2014; Canadian Centre for Ethics in Sport (CCES), 2013;de Hon, Eijs & Havenga, 2011;Duiven, de Hon & Netherlands ADA, 2015;Dunn et al,2010;Efverstrom et al, 2016a;Gebert, Lamprecht & Stamm, 2017;Global Athlete, 2020;Gucciardi, Jalleh, & Donovan, 2011;Hanstad & Loland, 2009;Hanstad, Skille & Thurnston, 2009;Jalleh, Donovan, & Jobling, 2013;Judge et al, 2010;Moston, Engelberg & Skinner, 2015a;Nolte et al, 2014;Overbye, 2016;Overbye, 2017;Overbye & Wagner, 2013;Overbye & Wagner, 2014;Sas-Nowosielski & Świątkowska, 2007;Scharf, Zurawski & Ruthenberg, 2018;Striegel, Vollkommer & Dickhuth, 2002;USADA, 2017;Valkenburg, de Hon & van Hilvoorde, 2014;Westmattelmann et al, 2018) and nine used a qualitative approach to data collection and analysis (Bloodworth & McNamee, 2010;Efverstrom et al, 2016b;Engelberg, Moston & Skinner, 2015;Erickson, Backhouse & Carless, 2017;Henning & Dimeo, 2018;Kegelaers et al, 2018;Kirby, Moran & Guerin, 2011;…”