Here's a new term for you: 'respondent burden'. It was coined some years ago by Judith Tanur, Distinguished Teaching Professor Emerita at Stony Brook University, New York, and Fellow of the American Statistical Association. The term refers to taking too much of a respondent's time in a single survey. As surveys proliferate, people stop giving up their time to complete them – hence declining response rates. At the Household Survey Non-Response Workshop in Oslo last year, it wa