An investigation into the effects of questionnaire identification numbers in consumer mail surveys

This article deals with the effects of a somewhat overlooked response inducing technique in mail surveys, i.e.
  

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...

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