Longford, Nicholas T.; Tyrer, P.; Nur, U. A. M.; … - In: Journal of the Royal Statistical Society Series A 169 (2006) 3, pp. 507-523
The paper studies the non-response process in a long-term study of neurotic dis-order by comparing the analysis based on the responses that were collected by the established practice of interviewing the subjects, at dates arranged in advance (appointments), with the analysis of the nearly...