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Identifying illicit behavior in survey research is inherently problematic, since self-reports are untrustworthy. We argue that fraudulent interviewers can, however, be identified through statistical deviance of the distributional parameters of their interviews. We document that a high proportion of the variation in the data is due to the interviewer. In addition, we show that the incidence of interviewer-induced anomalies is strongly associated with the perceived level of corruption across the countries participating in the European Social Survey 2010. The major implication of the findings is that the data from some countries cannot be used fruitfully for cross-national comparative research.

This article explores how higher education institutions (HEIs) internationalize, employing information on the internationalization activities (IA), context and organizational characteristics of 431 HEIs from 33 European countries. A latent cluster analysis identifies three distinct clusters of HEIs with distinct portfolios of IA: "basic, academic and entrepreneurial." The "basic" portfolio includes the most common IA, whereas IA requiring larger organizational capacity are rare. The "entrepreneurial" portfolio distinguishes from the "academic" portfolio as it also includes IA aimed to attract resources. We explore what contextual and organizational traits characterize HEIs with different IA portfolios. Small HEIs tend to display a "basic" portfolio, without national variations. On the contrary, strong national variations exist in the frequency of "academic" and "entrepreneurial" portfolios, which strongly relate to the actual and potential importance of tuition fees as a source of revenues.

The article reports on a study which estimate prevalence of gambling among European professional athletes and explore factors that are associated with gambling practice and gambling problems in professional athletes. It states that self-completion questionnaire was designed for this study and socio-demographic variables, variables linked to gambling and impulsive behavior data were gathered. It mentions that instruments used for screening problem gambling were all validated.