Public Opinion Quarterly, Vol 74, No 5, 2010 pp 880-906
- Household surveys face threat of non response bias if respondents differ systematically from no-respondents
- In absence of good non response bias estimates
- Survey researchers try to maintain high response rates as safeguard against bias
- By increasing efforts to recruit respondents
- Such efforts are costly
- May not reduce non response bias.
Practical strategies
- Increase number of calls
- Change mode of data collection
- Refusal conversion strategies
- Lack of motivation may lead later / reluctant respondents to satisfice
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