Professional activities

Co founder, chair person and honorary member of the Dutch Educational Research

Association

Member of the board and secretary of the Tijdschrift voor Onderwijsresearch (1975 until 1995)

Member of the board of the International Journal of Educational Research (1984-1992)

Editor School Effectiveness and School Improvement (1989-2005)

Editor Educational Research and Evaluation (1994-2005)

Board member of the Hong Kong Educational Research Journal (1996-2003)

Board member of the Journal of Classroom Interaction (1988-now)

Editor of the Onderwijskundig Lexicon (1973-now)

Editor of the Handboek Schoolorganisatie en Onderwijsmanagement(1980-now)

Member Committee Evaluation of Primary Education (1993-1995)

Member Committee Student related budget (t.b.v. het Ministerie van OC&W) (1996)

Member Committee Evaluation of Social Sciences in Switzerland (1993)

Expert for educational research and development in Mozambique (1988-1991), India (1995-1996-1997) and Indonesië (1995-now)

Consultant for the Hong Kong government on quality of education (1999-2002)

Chairperson Board Teacher Training College Ubbo Emmius (1985-1989)

Member of the board Noordelijke Hogeschool (University for Professional Education) (1989-1992)

Member of the board Friesland College (1992-1996)

Member of the board of de Stichting PEDON, later Stichting voor Gedragswetenschappen van NWO (Foundation for Scientific Research) (1989-1996)

Member of the board of the International Congress for School Effectiveness and Improvement (ICSEI) (1989-2001)