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    30472 research outputs found

    Exploring the relationship between work addiction and burnout

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    In today’s productivity-driven workplaces, work addiction has garnered attention. Despite consensus on the conceptual validity of certain behavioural addictions, work addiction remains unrecognised in diagnostic manuals. This study examined the relationship between work addiction and burnout via psychological capital (PsyCap) and job satisfaction. A sample of 454 employed adults (71.1% females, aged 19–72 years, M = 32.55 years, SD = 10.56) from 52 countries were recruited online. A serial mediation analysis using structural equation modelling tested paths from work addiction to PsyCap to job satisfaction to burnout. The study revealed a positive association between work addiction and burnout. PsyCap and job satisfaction partially mediated the relationship, with work addiction prevalence at 28.4%. Work addiction emerges as a significant stressor with potentially adverse effects on individual well-being globally. Interventions focused on enhancing PsyCap and job satisfaction may mitigate these effects and their association with burnout. The implications of these findings are further discussed

    Recent sedimentology at the grounding zone of the Kamb Ice stream, West Antarctica and implications for ice shelf extent

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    Sediment accumulating beneath floating ice contains a record of ice dynamics in polar regions where in situ observations are rare. In 2019 a hole was melted through a 590m-thick region of the Ross Ice Shelf ∼5 km seawards of the Kamb Ice Stream (KIS) grounding line (82.7841°S, 155.2626°W) to access the seafloor. Imagery from a remotely operated vehicle (ROV, Icefin) shows ocean current-generated ripples likely formed by tidal flow parallel to the grounding line (GL). Observed current speeds 30 ka or 14C dead. By contrast, 210Pb-210 activity of >30 Bq Kg−1 indicates deposition within the last 120 years. The combination of features suggests rapid rainout deposition from melting of a sediment-laden basal debris layer as the GL retreated, followed by some reworking by ocean currents and little modern accumulation. Although Tertiary diatoms are abundant, unambiguously Late Quaternary forms are absent and we speculate on the implications for Ross Ice Shelf stabilit

    High dimensional forecasting with known knowns and known unknowns

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    Forecasts play a central role in decision-making under uncertainty. After a brief review of the general issues, this article considers ways of using high-dimensional data in forecasting. We consider selecting variables from a known active set, known knowns, using Lasso and One Covariate at a time Multiple Testing, and approximating unobserved latent factors, known unknowns, by various means. This combines both sparse and dense approaches to forecasting. We demonstrate the various issues involved in variable selection in a high-dimensional setting with an application to forecasting UK inflation at different horizons over the period 2020q1–2023q1. This application shows both the power of parsimonious models and the importance of allowing for global variables

    University for a good woman: reflections on gender, class and labor in American higher education

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    Book synopsis: What can experiences of misogyny and classism teach us about the forces of patriarchy and inequality within the university? Drawing from her own experiences in American universities, author Kaelie Giffel contributes a critique of the university’s role in producing inequality. Exploring the intersections of gender, labor, and class, University for a Good Woman follows Kaelie through experiences of harassment, overwork, struggles against voicelessness, union organizing, and navigating silent, classed expectations about professionalism and research. Kaelie argues that feminists can and should engage in remaking the university, analyzing places for intervention and transformation. Providing an important critique of the university and its “post-feminist” narrative, this book is ideal reading for students of Feminism, Gender Studies, Critical University Studies, Education Studies, and Sociology, as well as graduate mentors, university administrators, and DEIB offices

    Policing the savage horde: the Texas Rangers and colonial narratives of anti-Mexican violence

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    In this chapter, I will examine how U.S newspapers, memoirs and works of popular history narrated the anti-Mexican violence of the Texas Rangers through tropes of settler colonial mythology. In particular, I will focus on interpretations of a wave of violence inflicted upon ethnic Mexicans in south Texas in 1915. Cultural and media narratives of indiscriminate killing of ethnic Mexicans at the time they were unfolding and in the subsequent decades frequently acknowledge the illegality, the excess, of Ranger violence but rationalize it as emerging from the nation’s continental destiny. I argue that the mediation of anti-Mexican violence rehearsed logic present in justifcatory discourses of racialized state violence used today

    Is the export of donor sperm explained adequately to recipients?

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    Many fertility patients who use donor sperm are unaware that sperm from UK donors they have used could be exported for use abroad, in addition to the 10-family UK limit..

    Correcting campaign misinformation: experimental evidence from a two-wave panel study

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    In this study, we used a two-wave panel and a real-world intervention during the 2017 UK general election to investigate whether fact-checking can reduce beliefs in an incorrect campaign claim, source effects, the duration of source effects, and how predispositions including political orientations and prior exposure condition them. We find correction effects in the short term only, but across different political divisions and various prior exposure levels. We discuss the significance of independent fact-checking sources and the UK partisan press in facilitating effects

    Disentangling late quaternary fluvial and climatic drivers of palaeohydrological change in the Najaf Sea basin, Western Iraq

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    The water resource provided by lake basins in the western desert of Iraq is important for human occupation of areas outside the Tigris-Euphrates floodplain, both in the past and into the future. This paper presents the first geomorphological and geochronological study of the date of formation of the Najaf Sea and the only such study of any lake basin to the west of Mesopotamia. Geomorphological shoreline features and a palaeochannel linking to the Euphrates were studied and dated using optically stimulated luminescence (OSL) and radiocarbon dating. Provenance was determined using heavy mineral analysis. Past environments in the Najaf Sea were reconstructed by molluscan analysis. The earliest OSL ages date from c. 30 000 and 22 000 years ago and seem to predate lake formation. Younger OSL ages date the highest lake level at c. 19 m asl to between 1620–1760 AD (base) to 1906–1974 AD (near sur�face). The radiocarbon ages are affected by a freshwater reservoir effect, but the maximum ages recorded for either of the c. 15 m and c. 17 m asl shorelines are c. 800 cal. BC. This predates the first archaeological sites in the Najaf basin and is similar to maximum ages of c. 850 and c. 1100 cal. BC from the associated pal�aeochannel. This timing does not seem to be linked to a humid climate event. We therefore conclude that the establishment of the Najaf Sea in the Najaf basin occurred as a result of an avulsion event within the Euphrates system that diverted flow to the basin. The trigger for this avulsion event likely related to rapid sediment accumulation and may have been either autogenic or driven by human activity. This study therefore suggests that Najaf Sea formation facilitated human expansion beyond the Tigris- Euphrates floodplain and occurred due to avulsion of the Euphrates

    Humorous responses to gender injustice: the contrasting effects of efficacy and emotions on women’s collective action intentions

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    Research has shown that subversive humor may be used to challenge existing societal hierarchies by confronting people with prejudice. Expanding on this literature, we hypothesized that humor would create two simultaneous and offsetting psychological mechanisms: increasing collective action motivation by signaling speaker power and inspiring efficacy and decreasing collective action motivation by reducing negative emotions towards men as the powerful group. We tested our hypotheses in two experiments, conducted among self-identified women. Study 1 (N = 374) compared videos featuring a comedian (subversive humor vs. non-humor vs. unrelated humor) and Study 2 (N = 224) utilized vignettes depicting a woman’s response to a sexist workplace interaction (subversive humor vs. non-humor vs. amenable response). Subversive humor (vs. unrelated humor/amenable response) increased group efficacy and subsequently collective action intentions. Simultaneously, and as an offsetting mechanism, subversive humor (compared to non-humor) reduced negative emotions toward men and subsequently lowered collective action intentions. Our results call into question the efficaciousness of humor responses to inspire women observers toward collective action for gender equality and emphasize the need for a deeper understanding of humor as a tool to promote action for equality

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