True camaraderie comes from collaborative efforts on common problems; it is the strongest kind of professional glue – a source of professional pride and satisfaction. Physics teachers need it to cope with the professional isolation most of them face in their schools. They need it as a stimulus to improve; they need it for a sense of belonging.
Bron: Malcom Wells an David Hestenes, A modeling method for high school physics instruction, Am.J.Phys. 63 (7), July 1995, p.606.