“…The interview participants were mainly principals (e.g., Qian and Walker, 2012a, 2012b, although a few studies also included mid-level leaders and teachers (Yin et al, 2013;Zhong and Ehrich, 2010). The dominant method used in the quantitative studies was conducting surveys, with participants including both principals (e.g., Pisapia and Lin, 2011;Pisapia and Pang, 2013) and other stakeholders such as educational officials, teachers or parents (e.g., Liu et al, 2009;Luo, 2004;Su, et al, 2000). Studies using a mixed-method approach combined questionnaire surveys with face-to-face interviews (e.g., Law, 2009Law, , 2013Militello and Berger, 2010).…”