Since 2011, we have been educating mentor teachers at Obuda University Trefort Agoston Centre for Engineering Education -OU TACEE. Mentor teachers can support the preparation process of our engineering teacher students in secondary vocational schools by coaching their teaching practice. I am responsible for teaching six subjects. In the first semester I gave examples on how to create good presentations. I recognized that data collection and processing was really important for our Mentor

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... in their work and decision making processes. Therefore, I involved them in creating good presentations, and taught them how to collect data with these technologies, process and transfer them to the audience according to the established idea. In three semesters we managed a survey with same questionnaire. I summarize the part of the results.