Although left-right items are a standard tool of public opinion research, there remains some difference of opinion on the optimal response format. Two disputes can be identified in the literature: (a) whether to provide respondents with a small or large number of answer categories and (b) whether or not to administer the response scale including a midpoint. This study evaluates the performance of the ...
Bonn:
IZA,
2004,
38 S.
(Discussion Paper Series / Forschungsinstitut zur Zukunft der Arbeit ; 1049)
| Joachim R. Frick, Jan Goebel, Edna Schechtman, Gert G. Wagner, Shlomo Yitzhaki
Incomplete data is a common problem of survey research. Recent work on multiple imputation techniques has increased analysts' awareness of the biasing effects of missing data and has also provided a convenient solution. Imputation methods replace non-response with estimates of the unobserved scores. In many instances, however, non-response to a stimulus does not result from measurement problems that ...
In this paper R 2-type measures of the explanatory power of multivariate linear and categorical probit models proposed in the literature are reviewed and their deficiencies discussed. It is argued that a measure of the explanatory power should take into account the components which are explicitly modelled when a regression model is estimated while it should be indifferent to components not explicitly ...
In:
The Journal of Mathematical Sociology
28 (2004), 2, S. 125-146
| Martin Spieß, Gerhard Tutz