(2004). Asking questions: The definitive guide to questionnaire design-- for market research, political polls, and social and health questionnaires / Norman M. Bradburn, Seymour Sudman, Brian Wansink.
Dyfyniad Arddull ChicagoAsking Questions: The Definitive Guide to Questionnaire Design-- for Market Research, Political Polls, and Social and Health Questionnaires / Norman M. Bradburn, Seymour Sudman, Brian Wansink. 2004.
Dyfyniad MLAAsking Questions: The Definitive Guide to Questionnaire Design-- for Market Research, Political Polls, and Social and Health Questionnaires / Norman M. Bradburn, Seymour Sudman, Brian Wansink. 2004.
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