Internet and telephonic IVR mixed-mode survey for longitudinal studies: choice, retention, and data equivalency
Autor: | Verma, Santosh K., Courtney, Theodore K., Lombardi, David A., Chang, Wen-Ruey, Huang, Yueng-Hsiang, Brennan, Melanye J., Perry, Melissa J. |
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Zdroj: | In Annals of Epidemiology January 2014 24(1):72-74 |
Databáze: | ScienceDirect |
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