for example: the participants’ feedback on the resolution of problems; the participants’ motivation to solve mathematics problems;the emotions that the participants feel during the problem solving; the usefulness and importance of solving problems for the participants and the teachers; understanding what teachers think of the participants and about their level of talent and creativity, what do they have of difference, what distinguishes them, what makes them creative, how they react in the classroom, how they work… this way the researcher will be able to develop ideas on how the participants interpret key aspects of the problem under study