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The use of respondent incentives in PIAAC: the field test experiment in Germany [journal article]
Source: Methods, data, analyses : a journal for quantitative methods and survey methodology (mda), 8 (2014) 2. p.223-242
Nonresponse in PIAAC Germany [journal article]
Source: Methods, data, analyses : a journal for quantitative methods and survey methodology (mda), 8 (2014) 2. p.243-266