Systems of teacher appraisal and evaluation are being created across the world in order to monitor and assess teacher performance. This book builds on current theory and international research, opening up possible new debates. 'A substantial brick in the growing edifice of doubt about the effects and effectiveness of the standards-led, accountability-driven approach to teaching and teachers' - Michael Duffy, Times Educational Supplement '...succeeds in connecting ideas about teaching effectiveness with a wide range of other thinking and in doing so provides an important critique and reformulation of this field.' -British Journal of Educational Studies, December 2005