interviews, observation, and evaluation of prototypes without linking aparticular method. Only the article of Karahan and Roehrig [23] used mixed methods using asurvey and observation in parallel. In this same theme, I could see that two studies looked for focusing their attention onteachers or a combination of students and teachers of this educational level. The study ofRodríguez [28], composed by a self-narrative study and the analysis of fifth-grade students inhis math class, described the change of his students' mindsets around racial discriminationawareness and the kind of curricular strategies he had to create to address this topic. Likewise,the investigation of Stromholt and Bell [24] analyzed the impact of training sciences teachers