Abstract
BackgroundEuropean countries, and especially Germany, are currently very much affected by human migration flows, with the result that the task of integration has become a challenge. Only very little empirical evidence on topics such as labor market participation and processes of social integration of migrant subpopulations is available to date from large-scale population surveys. The present paper provides an overview of the representation of the migrant population in the German Programme for the International Assessment of Adult Competencies (PIAAC) sample and evaluates reasons for the under-coverage of this population.MethodsWe examine outcome rates and reasons for nonresponse among the migrant population based on sampling frame data, and we also examine para data from the interviewers’ contact protocols to evaluate time patterns for the successful contacting of migrants.Results and ConclusionsThis is the first time that results of this kind have been presented for a large-scale assessment in educational research. These results are also discussed in the context of future PIAAC cycles. Overall, they confirm the expectations in the literature that factors such as language problems result in lower contact and response rates among migrants.
Highlights
European countries, and especially Germany, are currently very much affected by human migration flows, in particular refugee flows
This paper aims to contribute to increasing the coverage of the migrant population in surveys by investigating the reachability of adult migrants using level-of-effort paradata and by exploring reasons for migrant nonresponse
Do migrants and non‐migrants differ in their response behavior? To provide an overview on the response rate of migrants in PIAAC Germany, and to verify the assumptions in literature, we coded survey outcomes in accordance with the AAPOR standards into four groups: (a) contact, (b) able to be interviewed,11 (c) cooperation, and (d) participation
Summary
Especially Germany, are currently very much affected by human migration flows, in particular refugee flows. Especially Germany, are currently very much affected by human migration flows, with the result that the task of integration has become a challenge. There are surveys that are designed to cover the general resident population in a given country, which includes individuals with a migration background. Several largescale assessments, such as the Programme for the International Assessment of Adult Competencies (PIAAC), are examples of the latter approach. In the case of a registry-based sample design (e.g., PIAAC Germany; Zabal et al 2014), sample units—in this case, individuals—are selected from a population register These registers might be affected to some extent by incomplete or out-of-date information. If migrants with low literacy skills happened to be more likely to have moved abroad than those with high literacy levels—for example, because, being low-skilled, they had fewer job opportunities—this could lead to an overestimation of the literacy level in the resident migrant subpopulation
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