Geographic Coverage |
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Universe | The population comprises all German citizens who were at least 18 years old and participated at the Online-Access-Panel by Respondi AG. This panel comprised in 2009 nearly 65000 active members. Recruitment primary works online but also by phone.
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Selection Method | Sampling of respondents was based on a primary defined ratio schedule (sex, age, education).
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Mode of Data Collection | Online Survey with standardized questionnaires
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Data Collector | Bamberg Center for Empirical Studies (BACES)
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Date of Collection | 29.09.2009 - 25.10.2009
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