Enhancing the Validity and Cross-Cultural Comparability of Measurement in Survey Research
In: American political science review, Band 98, Heft 1, S. 191-207
Abstract
We address two long-standing survey research problems: measuring complicated concepts, such as political freedom & efficacy, that researchers define best with reference to examples; & what to do when respondents interpret identical questions in different ways. Scholars have long addressed these problems with approaches to reduce incomparability, such as writing more concrete questions -- with uneven success. Our alternative is to measure directly response category incomparability & to correct for it. We measure incomparability via respondents' assessments, on the same scale as the self-assessments to be corrected, of hypothetical individuals described in short vignettes. Because the actual (but not necessarily reported) levels of the vignettes are invariant over respondents, variability in vignette answers reveals incomparability. Our corrections require either simple recodes or a statistical model designed to save survey administration costs. With analysis, simulations, & cross-national surveys, we show how response incomparability can drastically mislead survey researchers & how our approach can alleviate this problem. 3 Tables, 6 Figures, 2 Appendixes, 42 References. Adapted from the source document.
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Englisch
ISSN: 0003-0554
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