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A hierarchical clustering approach to identify repeated enrollments in web survey data
INTRODUCTION: Online surveys are a valuable tool for social science research, but the perceived anonymity provided by online administration may lead to problematic behaviors from study participants. Particularly, if a study offers incentives, some participants may attempt to enroll multiple times. W...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6155511/ https://www.ncbi.nlm.nih.gov/pubmed/30252908 http://dx.doi.org/10.1371/journal.pone.0204394 |