“…Notwithstanding the weight of other reform initiatives (e.g., authentic assessment, whole language instruction, mastery learning, integrated curriculum, site-based management), some authorities assert that the teacher collaboration P opular forms of teacher therefore, each party feels equally responsible for ensuring a positive outcome (Brookhart & Loadman, 1990). Collaboration encourages individuals to share goals and objectives, and to sublimate their own interests for the greater good (e.g., Lasley, Matczynski & Williams, 1992). Second, collaboration allows participants to learn from one another and to establish longlasting and trusting professional relationships (e.g., Lieberman, 1992).…”