“…Study results about classroom cooperating teachers and university supervisors in supporting student teacher growth have been mixed. Some investigations reveal the centrality of cooperating teachers' responsibility for student teacher learning (e.g., Koskela & Ganser, 1995;Koerner & Rust with Baumgartner 2002;Vacc & Bright, 1999;Frykholm, 1996;Beck & Kosnik, 2002) while others bring to light the vital importance of university supervisors in supporting student teachers' implementation of recent reforms and theories learned in coursework (e.g., Freidus, 2002;LaBoskey & Richert, 2002;Frykholm, 1998;Blanton, Berenson, & Norwood, 2001). Of these, a very limited number focus on the supervision of mathematics student teachers.…”