Professor, PhD Petter Laake has since 1989 been a staff member of the Institute of Basic Medical Sciences, Department of Biostatistics, University of Oslo. He has 20 years of experience in lecturing, communicating and advising in statistics, at all levels and for various target groups. Since 2001, he has worked with the postgraduate studies programme at the Faculty of Medicine, University of Oslo, and has been in charge of the mandatory basic course in research methods. He has written and edited several text books in research methodology and statistics.