The quality of educational attainment measures lies at the heart of many cross-national micro-sociological research projects and international education statistics. This study aims at validating cross-nationally comparable measures of educational attainment, among which are the International Standard Classification of Education 1997 (ISCED 97), the CASMIN education scheme and years of education. Following a conceptual discussion of what educational attainment means, the most common ways of measuring educational attainment cross-nationally as well as previous evaluations thereof are reviewed. Then, the implementation of ISCED 97 in cross-national surveys is examined by looking at both the resulting educational attainment distributions in three European surveys as well as the data generation and harmonisation processes. Finally, a number of cross-national measures of educational attainment are compared with country-specific measures with respect to their information content by firstly examining the dispersion of educational attainment, and secondly the predictive power when explaining two core social stratification outcomes, occupational status and social class attainment, by educational attainment. The main results of the study are that the measurement of educational attainment in cross-national surveys is affected by a number of avoidable weaknesses which adversely affect the validity of claims based on analyses of these data: 1. Countries and surveys are inconsistent in the way they measure educational attainment and apply ISCED 97 to national data; and 2. actual years of education and the one-digit version of ISCED 97 distort measures of association to differing degrees in different countries. Both make cross-national comparisons using these measures highly problematic. Therefore, some amendments to the implementation of ISCED 97 in cross-national surveys and coding for statistical analyses are proposed. As part of the latter, an alternative simplification of ISCED 97, optimised for European survey research, is developed and validated. Moreover, suggestions for data collection procedures are made to improve the measurement of educational attainment nationally and cross-nationally.

This article reports the results of a cross-national investigation of patterns of comorbidity between substance use and psychiatric disorders in six studies participating in the International Consortium in Psychiatric Epidemiology. In general, there was a strong association between mood and anxiety disorders as well as conduct and antisocial personality disorder with substance disorders at all sites. The results also suggest that there is a continuum in the magnitude of comorbidity as a function of the spectrum of substance use category (use, problems, dependence), as well as a direct relationship between the number of comorbid disorders and increasing levels of severity of substance use disorders (which was particularly pronounced for drugs). Finally, whereas there was no specific temporal pattern of onset for mood disorders in relation to substance disorders, the onset of anxiety disorders was more likely to precede that of substance disorders in all countries. These results illustrate the contribution of cross-national data to understanding the patterns and risk factors for psychopathology and substance use disorders.

This article reports the results of a cross-national investigation of patterns of comorbidity between substance use and psychiatric disorders in six studies participating in the International Consortium in Psychiatric Epidemiology. In general, there was a strong association between mood and anxiety disorders as well as conduct and antisocial personality disorder with substance disorders at all sites. The results also suggest that there is a continuum in the magnitude of comorbidity as a function of the spectrum of substance use category (use, problems, dependence), as well as a direct relationship between the number of comorbid disorders and increasing levels of severity of substance use disorders (which was particularly pronounced for drugs). Finally, whereas there was no specific temporal pattern of onset for mood disorders in relation to substance disorders, the onset of anxiety disorders was more likely to precede that of substance disorders in all countries. These results illustrate the contribution of cross-national data to understanding the patterns and risk factors for psychopathology and substance use disorders.

Petra A n ý ž o v á Doctoral thesis: Cross-Country Comparability of Social Capital and Political Disaffection Attitude Scales in the European Social Survey Abstract The doctoral thesis deals with the methodological perspectives of comparative cross-national research. Currently, in the globalization period, the importance of these perspectives has been increasing. Unfortunately, social scientists analyse attractive international data more and more often without realising the levels of data comparability. Therefore they are not fully aware the best approach to statistical analysis of these data and their convenient comparative interpretation. This thesis introduces the issue of data equivalence as one of the most important quality aspects of cross-national research and focuses especially on attitude scales owing to the fact that their comparability is endangered the most in comparative research. In particular, the subject of the analysis is the international comparability of two of the most frequent robust attitude scales: namely social capital and political disaffection scales as they are measured in the European Social Survey first data set. In sociology and political science, these two social science concepts are very significant and they have been studied both theoretically and empirically as social...