The Effect of a Preliminary Notification Letter on Response to a Postal Survey of Young People
Stephen TaylorResearch International andPeter LynnSurrey Methods Centre, SCPR
INTRODUCTION
Preliminary notification letters
The use of a preliminary notification letter is a survey-design feature which has been reported in the literature to boost response. Such letters, sometimes called advance letters or pre-notice letters, are designed to inform the sample member that a survey is about to take place and to ask for the sample member's co-operation with the forthcoming survey.
Evidence suggests that a letter sent out a...