Teacher development and educational change, Michael Fullan and Andy Hargreaves; teacher education and the developing teacher - the role of personal knowledge, Johan Aitken Lyall and Denis A.Mildon; imposed change and the experienced teacher, Patricia J.Sikes; the nature of collegiality in teacher development - the case of clinical supervision, Peter P.Grimmett and E.Patricia Crehan; the principal's role in teacher development, Kenneth A.Leithwood; teacher growth in the effective school, Louise Stoll; school-based teacher development, Marvin F.Wideen; teacher performance appraisal and staff development, Edward S.Hickcox and Donald F.Musella; teacher development and educational policy, Judith Warren Little; universities in partnership with schools and school systems - "les liaisons dangereuses"?, Jean Rudduck; beyond school district-university partnerships, Nancy Watson and Michael G.Fullan.