Zobrazeno 1 - 1
of 1
pro vyhledávání: '"Gwynett M. Town"'
Autor:
Mohamed G. Qayad, Pranesh P. Chowdhury, Lina S. Balluz, Gwynett M. Town, Carol Pierannunzi, Sean Hu
Publikováno v:
Survey Practice. 6:1-11
Landline RDD surveys are facing a coverage problem due to increasing cell phone only households in the US. To address this issue, the Behavioral Risk Factor Surveillance System (BRFSS) included cell phone samples in 2009. BRFSS landline and cell phon