TY - JOUR A1 - Keeter, S. A1 - Kennedy, C. A1 - Dimock, M. A1 - Best, J. A1 - Craighill, P. T1 - Gauging the impact of growing nonresponse on estimates from a national RDD telephone survey Y1 - 2006 DO - 10.1093/poq/nfl035 JF - Public Opinion Quarterly VL - 70 IS - 5 ER -