You May Also Like
- Personal Author:Skalland, Benjamin ;Zhao, Zhen...5 15 2014 | Proc Am Stat Assoc. 20(May 15-18 2014)Description:In random digit dial (RDD) telephone surveys, advance letters mailed prior to dialing sampled telephone numbers may increase survey response rates (de...
Checkout today's featured content at stacks.cdc.gov