Bias in Mail Surveys Cannot Be Controlled by One Mailing

• 1 January 1949
• journal article
• Published by Oxford University Press (OUP) in Public Opinion Quarterly
• Vol. 13  (3) , 495
• https://doi.org/10.1086/266098

Abstract

Keywords

• BIAS IN MAIL SURVEYS
• CONTROLLED BY ONE MAILING
• MAIL SURVEYS CANNOT BE CONTROLLED