The aim of this article is to examine whether providing pollsters with multiple opportunities to carry out interviews with a sample of randomly selected respondents reduces non-response bias. First, I present the procedures ...

Can cross-national surveys benefit from mixed mode data collection? This article provides a classification of the different ways in which modes of data collection may be mixed within a cross-national survey, and investigates ...

One method to increase the response rate in surveys is to use respondent incentives. The effectiveness of incentives depends on a number of factors which, however, may have a varied impact on respondents’ decisions about ...

The electoral competitiveness among candidates vying for single elected positions (e.g. president, members of parliament single member districts, or candidates for the party leadership) lacks an appropriate measurement. ...

Equivalence of measurement scales is a crucial prerequisite for making valid cross-cultural comparisons, as cultural differences in the interpretation of indicators could result in misleading conclusions. In this paper, ...

Due to the growing significance of international studies, the need for tools to assess the equivalence of items is pressing. Web probing, which is implementing verbal probing techniques traditionally used in cognitive ...

In recent years, the quantitative study of conflict has increasingly focused on small-scale and/or localized conflicts in the developing world. In this paper, we analyze and critically reflect upon a major methodological ...