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Erscheinungsjahr: 
2007
Quellenangabe: 
[Journal:] Public Opinion Quarterly [Volume:] 71 [Issue:] 2 [Publisher:] Oxford University Press [Place:] Oxford [Year:] 2007 [Pages:] 204-220
Verlag: 
Oxford University Press, Oxford
Zusammenfassung: 
Although left-right items are a standard tool of public opinion research, there is little agreement about the optimal response format. Two disputes can be identified in the literature: (1) whether to provide respondents with a small or large number of answer categories, and (2) whether or not to administer the response scale including a midpoint. This study evaluates the performance of the 101, 11, and 10-point left-right scales, which directly speak to the two disputed aspects of measuring the left-right dimension. Drawing on data from a split ballot multitrait multimethod experiment carried out in a methodological pretest to the German Socio-Economic Panel (SOEP), the analysis shows that the choice of a response format makes a difference in terms of data quality: the 11-point left-right scale produces the highest validity of left-right data closely followed by the 10-point scale. Moreover, an application from electoral research illustrates that the choice of response formats affects substantive interpretations about the nature of the left-right dimension. Since all three scales perform about equally well in terms of reliability and the ease of administration, the findings suggest that the 11-point left-right scale should be used in survey research.
DOI der veröffentlichten Version: 
Sonstige Angaben: 
This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Public Opinion Quarterly following peer review. The definitive publisher-authenticated version “Measuring Left-Right Political Orientation / Martin Kroh. In: Public Opinion Quarterly 71 (2007), 2, pp. 204-220” is available online at: http://dx.doi.org/10.1093/poq/nfm009
Dokumentart: 
Article
Dokumentversion: 
Accepted Manuscript (Postprint)

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