Asking questions : the definitive guide to questionnaire design - for market research, political polls, and social and health questionnaires /

Autor Bradburn, Norman M., 1933-, Sudman, Seymour, 1928-2000, Wansink, Brian, 1960-
Vydáno 2004

Asking questions : the definitive guide to questionnaire design--for market research, political polls, and social and health questionnaires /

Autor Bradburn, Norman M., 1933-, Sudman, Seymour, 1928-2000
Vydáno 2004