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MAIL SURVEYS AND NON‐RESPONSE BIAS: * REPORT ON A N.S.W. MAIL SURVEY
Author(s) -
Freebairn John W.
Publication year - 1967
Publication title -
australian journal of agricultural economics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.683
H-Index - 49
eISSN - 1467-8489
pISSN - 0004-9395
DOI - 10.1111/j.1467-8489.1967.tb00030.x
Subject(s) - non response bias , response bias , psychology , statistics , social psychology , mathematics
All farmers in one stratum of a wheat storage survey who failed to answer a mail questionnaire were personally interviewed. Answers obtained from the mail respondents and from non‐respondents are compared to assess the extent of non‐response bias. Five suggestions for planning "high return" mail surveys are discussed.