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Retaining young people in a longitudinal sexual health survey: a trial of strategies to maintain participation
BACKGROUND: There is an increasing trend towards lower participation in questionnaire surveys. This reduces representativeness, increases costs and introduces particular challenges to longitudinal surveys, as researchers have to use complex statistical techniques which attempt to address attrition....
| Autores principales: | , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2010
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2837673/ https://www.ncbi.nlm.nih.gov/pubmed/20109221 http://dx.doi.org/10.1186/1471-2288-10-9 |