An Investigation into the Effect of QuestionnaireIdentification Numbers in Consumer Mail Surveys
Stavros P. Kalafatis andCharles Blankson Kingston Business School
INTRODUCTION
The potential of bias, especially non-response bias, associated with low response rates has led many researchers to examine the effect that different response inducing techniques have on the effectiveness (in terms of response rate, quality of response, cost per response and so on) of mail surveys. Over the past 30 or so years there have been a number of literature and quantitative reviews of studies dealing with response inducing techniques (see among others...