01056nam0-22003371i-450-9900030965504033210-87589-402-X000309655FED01000309655(Aleph)000309655FED0100030965520000920d1979----km-y0itay50------baitaITImproving Interview Method and Questionnaire DesignNorman M. Bradburn, Seymour Sudman.San FranciscoJossey-BSSs\c\\1979.XVI, 214 p.23 cm<<The >>NORC Series in Social ResearchKenneth Prewitt, DirectorSottotitolo : Response Effects to Threatening Questions in Survey Research1122011230Bradburn,Norman M.Sudman,SeymourITUNINARICAUNIMARCBK99000309655040332111230 BRA11559/ISESSESImproving Interview Method and Questionnaire Design459890UNINAING01