Mainly this unit was focused on self assessment. We learned how to prepare instruments for the students self assessment, which it can be from questionnaires, surveys, etc. There are some advantages and disadvantages in S.A, for example, students can know how effective they are as learners and how can they become better, the teachers can know where they need an improvement, etc. Even though there are more positive aspects, there are some negative ones, for example, some students can lower themselves. During the course they were excellent students, but at the time to assess themselves, they put lower points, or it can happen vice versa, students who did not work throughout the semester, apparently they were great when they self assess. Students honesty is super important, because if they are not honest, then this tool is not going to work for the teacher.