Monday, October 23, 2017

Is the trait trustingness affected the effect of fishy (vs unpleasant, and neutral) odors on suspicion, creative reasoning, and perceptions of other’s trustworthiness?

In the nose, not in the beholder: Embodied cognition effects override individual differences. Prem Sebastian, LeahKaufmann, and Xochitl de la Piedad Garcia. https://www.researchgate.net/publication/313997207_In_the_nose_not_in_the_beholder_Embodied_cognition_effects_override_individual_differences


Lee and Schwarz (2012) found a relationship between fishy odor and suspicion.
• Study 2: Students in a hallway sprayed with fish smell invested significantly less in an economic game relying on trust compared to students in either a fart spray or control condition.

Lee, Kim and Schwarz (2015) also found that a fishy odor affected critical reasoning via suspicion.
• Study 2: Participants exposed to an incidental fishy odor were more likely utilise negative hypothesis testing, and avoid confirmation bias, than those in a control condition as demonstrated by performance on the Wason would provide the first evidence of an interaction between metaphorical effects and individual differences.

These studies demonstrated the effect of the embodied metaphor of fishiness.

To date, embodied cognition has focussed on effects observed in moment-to-moment bodily states. However, it seems likely individual differences may affect the extent to which bodily states are affected by embodied effects. For example, is the degree to which fishy odor motivates suspicion a function of participant’s own trustingness?

The interaction between individual differences and embodied effects have yet to be considered.

The aim of the current study was to examine whether trait trustingness affected the effect of fishy (vs unpleasant, and neutral) odors on suspicion, creative reasoning, and perceptions of other’s trustworthiness.

The extent and causes of academic text recycling or ‘self-plagiarism’

The extent and causes of academic text recycling or ‘self-plagiarism’. S.P.J.M. Horbach amd W. Halffman. Research Policy, https://doi.org/10.1016/j.respol.2017.09.004

Highlights
•    Text recycling is a common form of dubious behaviour in journal publications.
•    The extent of text recycling varies considerably between research fields.
•    The extent of text recycling is positively related to author’s productivity.
•    Problematic text recycling occurs more often in articles with few co-authors.
•    Existence of editorial policy statements reduces the extent of text recycling.

Abstract: Among the various forms of academic misconduct, text recycling or ‘self-plagiarism’ holds a particularly contentious position as a new way to game the reward system of science. A recent case of alleged ‘self-plagiarism’ by the prominent Dutch economist Peter Nijkamp has attracted much public and regulatory attention in the Netherlands. During the Nijkamp controversy, it became evident that many questions around text recycling have only partly been answered and that much uncertainty still exists. While the conditions of fair text reuse have been specified more clearly in the wake of this case, the extent and causes of problematic text recycling remain unclear. In this study, we investigated the extent of problematic text recycling in order to obtain understanding of its occurrence in four research areas: biochemistry & molecular biology, economics, history and psychology. We also investigated some potential reasons and motives for authors to recycle their text, by testing current hypotheses in scholarly literature regarding the causes of text recycling. To this end, an analysis was performed on 922 journal articles, using the Turnitin plagiarism detection software, followed by close manual interpretation of the results. We observed considerable levels of problematic text recycling, particularly in economics and psychology, while it became clear that the extent of text recycling varies substantially between research fields. In addition, we found evidence that more productive authors are more likely to recycle their papers. In addition, the analysis provides insight into the influence of the number of authors and the existence of editorial policies on the occurrence of problematic text recycling.

Sunday, October 22, 2017

Study of birds shows that corrections to air pollution start before 1950, as we already knew but couldn't measure

Bird specimens track 135 years of atmospheric black carbon and environmental policy. Shane G. DuBay and Carl C. Fuldner. Proceedings of the National Academy of Sciences, Early Edition, doi: 10.1073/pnas.1710239114



Significance: Emission inventories of major climate-forcing agents like black carbon suffer high uncertainty for the early industrial era, thereby limiting their utility for extracting past climate sensitivity to atmospheric pollutants. We identify bird specimens as incidental records of atmospheric black carbon, filling a major historical sampling gap. We find that prevailing emission inventories underestimate black carbon levels in the United States through the first decades of the 20th century, suggesting that black carbon’s contribution to past climate forcing may also be underestimated. This study builds toward a robust, spatially dynamic inventory of atmospheric black carbon, highlighting the value of natural history collections as a resource for addressing present-day environmental challenges.

Abstract: Atmospheric black carbon has long been recognized as a public health and environmental concern. More recently, black carbon has been identified as a major, ongoing contributor to anthropogenic climate change, thus making historical emission inventories of black carbon an essential tool for assessing past climate sensitivity and modeling future climate scenarios. Current estimates of black carbon emissions for the early industrial era have high uncertainty, however, because direct environmental sampling is sparse before the mid-1950s. Using photometric reflectance data of >1,300 bird specimens drawn from natural history collections, we track relative ambient concentrations of atmospheric black carbon between 1880 and 2015 within the US Manufacturing Belt, a region historically reliant on coal and dense with industry. Our data show that black carbon levels within the region peaked during the first decade of the 20th century. Following this peak, black carbon levels were positively correlated with coal consumption through midcentury, after which they decoupled, with black carbon concentrations declining as consumption continued to rise. The precipitous drop in atmospheric black carbon at midcentury reflects policies promoting burning efficiency and fuel transitions rather than regulating emissions alone. Our findings suggest that current emission inventories based on predictive modeling underestimate levels of atmospheric black carbon for the early industrial era, suggesting that the contribution of black carbon to past climate forcing may also be underestimated. These findings build toward a spatially dynamic emission inventory of black carbon based on direct environmental sampling.