Jelke Bethlehem Author & Editor

Jelke Bethlehem is an expert in the methodology of surveys and polls. For 36 years, he conducted research at Statistics Netherlands. Research topics were nonresponse, disclosure control, and online data collection. He has written several books about surveys and polls, the most important ones being Applied Survey Methods, Handbook of Nonresponse in Household Surveys, and Handbook of Web Surveys. He has retired from Statistics Netherland now, but is still a professor in survey methodology at the Leiden University.