“…All these implementations were based upon VISIR and it was already plenty reported in literature VISIR increased students' confidence in hands-on lab (Fidalgo et al, 2012;Marques et al, 2014;Salah et al, 2015;Tawfik, Sancristobal, Martín, Gil, Pesquera, Losada, et al, 2011). Additionally, when used prior to hands-on lab, in the subsequent hands-on lab classes, students were more at ease, performing less mistakes (the number of blown fuses decreased a lot) and assembling more circuits in a shorter time: VISIR being regarded as a "hands-on facilitator" (Alves et al, 2011;Lima et al, 2019cLima et al, , 2019aLima et al, , 2018Marques et al, 2014). In the former didactical implementations, some teachers and students also made some comments about the added value they felt when VISIR was used prior to the hands-on labs, reinforcing what already has been stated in literature.…”