Inequalities in the health survey using validation question to filter insufficient effort responding: reducing overestimated effects or creating selection bias?
Abstract Background The presence of insufficient effort responding participants (IERPs) in a survey can produce systematic bias. Validation questions are commonly used to exclude IERPs. Participants were defined as IERPs if responding inconsistently to two matched validation questions, and non-insuf...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2019-08-01
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| Series: | International Journal for Equity in Health |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1186/s12939-019-1030-2 |