This study explores how researchers’ analytical choices affect the reliability of scientific findings. Most discussions of reliability problems in science focus on systematic biases. We broaden the lens to emphasize the idiosyncrasy of conscious and unconscious decisions that researchers make during data analysis. We coordinated 161 researchers in 73 research teams and observed their research decisions as they used the same data to independently test the same prominent social science hypothesis: that greater immigration reduces support for social policies among the public. In this typical case of social science research, research teams reported both widely diverging numerical findings and substantive conclusions despite identical start conditions. Researchers’ expertise, prior beliefs, and expectations barely predict the wide variation in research outcomes. More than 95% of the total variance in numerical results remains unexplained even after qualitative coding of all identifiable decisions in each team’s workflow. This reveals a universe of uncertainty that remains hidden when considering a single study in isolation. The idiosyncratic nature of how researchers’ results and conclusions varied is a previously underappreciated explanation for why many scientific hypotheses remain contested. These results call for greater epistemic humility and clarity in reporting scientific findings.
We analyze the effects of formal recognition of foreign higher education on employment probabilities and earnings for newly arrived immigrants in Sweden. Prior research has found that immigrants have lower returns on education if it was acquired in the country of origin than if it was acquired in the host country. One reason for this is that foreign credentials work poorly as productivity signals and risk-averse employers avoid employees with credentials they do not fully understand. A formal recognition statement can help overcome this problem by providing credible information about the foreign education, thus reducing uncertainty. Data consists of immigrants who, within the first ten years of residence in Sweden, had their foreign degree formally recognized during 2007–2011. Using fixed effects regressions, we estimate the treatment effect of official recognition to be 4.4 percentage points higher probability of being employed, and 13.9 log points higher wage for those with employment. We also find considerable treatment effect heterogeneity across subcategories of immigrants from different regions of origin, with different reasons for immigration and who obtained recognition during different economic conditions. Our conclusions are that the mechanism of employer uncertainty is real, and that recognition does reduce it. But as the signal of foreign education becomes better, other mechanisms such as human capital transferability problems and quality differences, and the ability to use foreign human capital, become more salient, leading to heterogeneous effects.
Objectives: Women’s healthcare is a potential source of cross-cultural conflicts. Diverging values between healthcare providers and patients challenges the provision of culturally sensitive care and meeting migrant women’s needs. The aim is to investigate healthcare providers’ values in relation to sexual and reproductive rights, gender equality, migration and religion in Swedish sexual and reproductive healthcare.Methods: A national cross-sectional study was carried out. The questionnaire was distributed through a non-probability sample to midwives or other nurses, gynaecologists and obstetricians, and hospital social workers (n = 1,041). Through descriptive statistics, we mapped their values, comparing healthcare provider data to external representative population survey data.Results: Healthcare providers in sexual and reproductive healthcare displayed homogeneous liberal social values, being permissive towards sexual and reproductive rights and restrictive against gender-based violence. They were for gender equality, expressed low anti-immigrant sentiments, and had even more liberal values than the Swedish population and a demographically comparative sub-population.Conclusion: Individuals with very liberal values are selected to work in Swedish sexual and reproductive healthcare. Healthcare providers need self-reflexivity to avoid conflicts in clinical encounters in a diversified society.
Concerns have been raised that immigrants coming to Europe bring fundamentally different social values, affecting the more liberal receiving societies negatively. However, the topic of immigrants’ social values is understudied, and much research studies only one issue at a time, lacking a systematic approach to compare immigrants and native-born across issues. We study the social values of immigrants in Sweden using a large sample of newly arrived immigrants and their opinions on 35 different moral issues. Our results indicate a large heterogeneity across different issues, with, on average, a general tendency towards liberal social values among immigrants. We find that individual characteristics are more important than characteristics of the country of origin in explaining variation of social values between immigrants. Religiosity has the largest effect, with more religious individuals having more conservative stances. Using external data sources, we compare immigrants with native-born regarding both average positions on different issues, and the correlation between issue positions. Compared with the native-born, immigrants have, on average, somewhat more conservative values, but the underlying values structure is the same.
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