Collaborative problem solving (CPS) has been shown to both engage and benefit students' learning of mathematics. However, there is evidence that group work is not always easy to facilitate, in part because educators lack details about learners' engagement during group work: the processes of problem solving involved, and how these are engaged. In…

Classroom disturbances impair the quality of teaching and learning, and they can be a source of strain for both teachers and students. Some studies indicate, however, that not everyone involved gets equally disturbed by the same occurrences. Altogether, there is still little solid knowledge about the teachers' and the students' subjective…