“…1). Although research carried out to validate it by means of structural equations has shown that some of the interactions between the different levels of "knowledge" are not well understood by teachers (Ay, Karadag & Acat, 2015) and are difficult to establish, the reality is that a variety of studies and meta-analyses have been developed around this proposal (Chai, Koh & Tsai, 2013;Ay, Karada & Bahaddin, 2015;Cabero & Barroso, 2016;Khine, Ali & Afar, 2015;Navío and Barroso, 2016), which indicate its validity and significance for ICT teacher training, proposals that have also been diversified from studies of general use of ICT to specific technologies and specific disciplines (Smith, 2013;Tokmak, Incikabi & Ozgelen, 2013;Hsu & Liang, 2015;Deng, Sing, So, Qian & Chen, 2017;Maor, 2017). A model that has acquired some importance in recent years is the "Technological Pedagogical Content Knowledge" (TPACK) developed by Mishra & Koehler (2006).…”