“…The construction of the TPI in relation to future secondary education teachers' initial training has been the focus of interest of various pieces of research carried out in the last decade (Buldur, 2017;Huu & Ngoc, 2017;Izadinia, 2015;Martínez de la Hidalga & Villardón-Gallego, 2015). In this respect, some studies stress the role played by the students' process of identifying with the teaching profession and the development of attitudes or values that may Gracia et al / Science and Technology Teachers' Professional Identity 4 / 14 be important if they are to progress in their professional development (Beijaard, et al, 2004;Esteve, 2009;Timostsuk & Ugaste, 2010), such as their intrinsic vocation for teaching, a commitment to improving education, the capacity to reflect and be self-critical, the flexibility to adapt to changes and the need to improve their own theoretical and practical training (Hong, 2010;Kim, 2013;Salazar Noguera & McCluskey, 2017).…”