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The value added of biomarkers in household panel studies
Lillard, Dean R.; Wagner, Gert G. - 2006
Persistent link: https://www.econbiz.de/10008839638
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Surveying the virtual world : a large scale survey in Second Life using the Virtual Data Collection Interface (VDCI)
Bell, Mark W.; Castronova, Edward; Wagner, Gert G. - 2009
Persistent link: https://www.econbiz.de/10008840045
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Virtual Assisted Self Interviewing (VASI) : an expansion of survey data collection methods to the virtual worlds by means of VDCI
Bell, Mark W.; Castronova, Edward; Wagner, Gert G. - 2008
Persistent link: https://www.econbiz.de/10008840075
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On the treatment of non-original sample members in the German Household Panel Study (SOEP) : tracing, weighting, and frequencies
Spieß, Martin; Kroh, Martin; Pischner, Rainer; Wagner, … - 2008
Persistent link: https://www.econbiz.de/10008840080