TY - HEAR T1 - Comparing Item Nonresponse and Responses Across Modes in General Population Surveys. Y1 - 2011 A1 - Lesser,Dr. Virginia M A1 - Olstad,Andrew KW - Business Analytics JA - American Association for Public Opinion Research, Phoenix, Arizona, May, 2011. CY - Phoenix, AZ U2 - c U4 - 70284603392 ID - 70284603392 ER -