Can anyone please refer me to literature please that deals with the following? (It sounds very Kishian.) Thanks for any advice. (I'm dealing with a web-survey of institutions, but many of the issues are generic - are any other stages worth mentioning besides those below?) JOHN BIBBY ====================== Questionnaire completion is a multi-stage process e.g. - ensure email address is correct - email arrives at respondent's institution - it gets to the right person(s) - they read it - they decide to start completing it - they decide to finish completing it - they attempt to give us full, accurate responses - they succeed in giving us full, accurate responses - they send it (all) off - it all reaches us - we manage to deal with it OK. Which of these are the crucial steps? What are the implications for survey design and for follow-up? You may leave the list at any time by sending the command SIGNOFF allstat to [log in to unmask], leaving the subject line blank.