A comparison of two modes of data collection. Using multidimensional analysis

摘要: Although the literature on survey modes had abandoned comparisons between face-to-face and telephone surveys, having concluded that results are similar, current technological social environment calls for resuming debate. As well as problems arise when prospective respondent does not own a (or accessing mobile phone users), it is also important to bear in mind places completely different situation from of interview. This gives rise major differences responses surveys where interviewer present (face-to-face) those conducted via telephone. numerous studies have analysed this phenomenon, vast majority them used “variable variable” comparisons, hence inevitable shortcomings univariate bivariate analysis. The study takes fresh approach, which all variables considered jointly using Multiple Correspondence Analysis 2005 regional election poll Galicia, Spain, by Center Sociological Research (CIS) (survey number 2.608).