conference programme book - European Survey Research ...

FRIDAY 22 JULY 181Thanks to large samples we can reach a good coverage of the country, thus we can expect gaining a representavesample regarding a rare populaon, but this kind of sample seems to fail in most cases. The mulstagestrafied probability sampling is not appropriate for finding non-uniformly distributed minories.4.11.3 Tesng a single mode vs a mixed mode designS. Laaksonen 11 University of Helsinki, FinlandEncement to use web surveys is becoming more common, since this mode is less expensive than the alternavemodes. On the other hand, no-one trusts in web as the only mode, since non-response is expectedto be too high. Hence, a mixed mode strategy is proposed. There are different approach-es to mixed modedesign. We test such an approach that the data collecon will start via web and aer a certain short period,CATI will complete data. Finally, we compare the successfulness of this mixed mode strategy against pure CATI.The reason is that this survey has been compiled using CATI but if a new mixed mode strategy is good, this willbe used in future. So, we have to compare the successfulness of both approaches in a good way. This alsorequires to design a sample well. So, our target populaon is the same as used in the regular survey that doesnot cover the full populaon but the people with telephone access only...4.11.4 Selecon Errors in Random Route SamplesJ. Bauer 11 LMU Muenchen, GermanyRandom Routes are a type of widely used survey. Like most sampling methods they are applied to achieveequally distributed selecon probabilies. The preliminary approach to assess the quality is to compare thedata collected by random route samples with data from reliable sources, such as the German Microcensus.Typically, in these studies the distribuons of demographic variables are compared because they are availablein nearly all surveys. As this concentrates only on a specific set of variables, it is conceivable that other variablesof interest are biased, even if the conducted comparisons are not significantly different.4.12 Analyzing Survey Data - New Methodologies IITo be held on July 22, 2011 from: 09:00 to 10:30, in room 340.Coordinated by: Oriane Sarrasin - Misc - University of Lausanne, Switzerland4.12.1 Tesng a formal theory of images of straficaon: a pilot studyZ. Karpinski 11 Instute of Philosophy and Sociology - Polish Academy of Sciences, PolandThe study reported in this presentaon may be thought of as an exercise in theory-driven research. A studyis said to be theory-driven if empirical procedures used in the study reproduce properes of a theorecalmodel, or replicate specific condions postulated by a theory. Because theory-driven research requires thatcondions specified by a theory are recreated in the research design, theory-driven research usually takesthe form of experiment. In my presentaon, I am trying to show that the idea of theory-driven study can beapplied to survey research as well. As an example, I am using a formal theory of images of social structuresdeveloped by the sociologists Thomas Fararo and Kenji Kosaka. The theory’s focus is on issues that have longbeen invesgated by sociologists, such as percepon of social inequality, self-placement in the social hierarchy,or class idenficaon...4.12.2 Causal Analysis and Social SurveysK. Yang 1