“…Confusion about the structure of GHQ-12 inevitably leads to misuse and the existence of works that interpret the results in very different ways. Thus, some studies explore the "prevalence" of specific mental health problems in adolescents, such as anxiety or depression, when GHQ-12 is merely a screening test that is unlikely to be able to measure specific disorders and in any way estimate prevalence (Bansal, Goyal, & Srivastava, 2009;Mann et al, 2011) or find links between such supposed disorders and other mental health problems (Almeida et al, 2019;Ogawa et al, 2019;Ojio, Nishida, Shimodera, Togo, & Sasaki, 2016). Therefore, it is necessary to know the true structure of the questionnaire, the dimensions it is able to measure and, ultimately, what it really measures.…”