Pamela Paxton

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The noncentral chi-square distribution plays a key role in structural equation modeling (SEM). The likelihood ratio test statistic that accompanies virtually all SEMs asymptotically follows a noncentral chi-square under certain assumptions relating to misspecification and multivariate distribution. Many scholars use the noncentral chi-square distribution in(More)
Using democracy in empirical work requires accurate measurement. Yet, most policy and academic research presupposes the accuracy of available measures. This article explores judge-specific measurement errors in cross-national indicators of liberal democracy. The authors evaluate the magnitude of these errors in widely used measures of democracy and(More)
  • Michael Coppedge, John Gerring, David Altman, Michael Bernhard, Steven Fish, Allen Hicken +49 others
  • 2011
In the wake of the Cold War, democracy has gained the status of a mantra. Yet there is no consensus about how to conceptualize and measure regimes such that meaningful comparisons can be made through time and across countries. In this prescriptive article, we argue for a new approach to conceptualization and measurement. We first review some of the(More)
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