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Towards the very end of this legislative period, a cross-caucus parliamentary majority gave same-sex marriage the green light – progress for the legal equality of homosexuals in Germany. This report focuses on the life situations of homosexual and bisexual people in Germany. The careers they pursue, for example, differ from those of heterosexuals. Hourly wages are an area of significant disparity: ...
In:
DIW Economic Bulletin
7 (2017), 33/34/35, 335-345
| Martin Kroh, Simon Kühne, Christian Kipp, David Richter
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Web-based interviewing is gradually replacing traditional modes of data collection, in particular telephone and mailed surveys. This global trend takes place despite the fact that established knowledge of its consequences on response error is incomplete. This paper studies differences between a web (CAWI) and a mailed version (MAIL) of a questionnaire in various forms of response error, namely item ...
Berlin:
DIW Berlin,
2016,
(SOEPpapers 888)
| Martin Kroh, Denise Lüdtke, Sandra Düzel, Florin Winter
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In:
Methoden - Daten - Analysen
2 (2008), 2, 179-198
| Martin Kroh, Rainer Pischner, Martin Spieß, Gert G. Wagner
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In:
John Bartle, Paolo Bellucci ,
Political parties and partisanship : social identity and individual attitudes (ECPR studies in European political science ; 57)
Abingdon and New York: Routledge
107-120
| Martin Kroh, Peter Selb
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Extensive research efforts notwithstanding, scholars continue to disagree on the nature and meaning of party identification. Traditionalists conceive of partisanship as a largely affective attachment to a political party that emerges in childhood through parental influences and tends to persist throughout life. The revisionist conception of partisanship is that of a running tally of party utilities ...
In:
Political Behavior
31 (2009), 4, 559-574
| Martin Kroh, Peter Selb
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Berlin:
DIW Berlin,
2005,
(DIW Berlin Data Documentation 6)
| Martin Kroh, Martin Spieß
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Berlin:
DIW Berlin,
2006,
(DIW Berlin Data Documentation 15)
| Martin Kroh, Martin Spieß
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Although sample selection bias is a frequent problem of applied research, there has been no generalization of sample selection models with binary dependent variables of interest to data with temporal error correlations. We suggest a generalized estimating equation approach to panel data selection models, considering binary responses in both equations. We demonstrate the utility of this model by a simulation ...
In:
Political Analysis
18 (2010), 2, 172-188
| Martin Kroh, Martin Spieß
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Individuals with a migration background represent a steadily increasing percentage of Germany's population. Although the majority of individuals with migration background lack German citizenship and are therefore unable to vote, the number of naturalized immigrants continues to rise. Accordingly, political parties have been showing greater interest in this group of potential voters. Data from ...
In:
Weekly Report
6 (2010), 4, 20-26
| Martin Kroh, Ingrid Tucci
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Panel conditioning has posed one of the main challenges to panel studies since their inception in the social sciences. Aside from the risk of reactivity to previous interviews, there is reason to expect that cumulative survey experience increases the reliability of data emanating from panel studies relative to cross-sectional surveys. This positive aspect of recurrent interviewing for data quality ...
In:
Public Opinion Quarterly
80 (2016), 4, 914-942
| Martin Kroh, Florin Winter, Jürgen Schupp