8,482 research outputs found
Perfectionism and burnout in canoe polo and kayak slalom athletes: The mediating influence of validation and growth-seeking
Recent research suggests that validation-seeking and dimensions of perfectionism may be antecedents of athlete burnout. The present investigation examined whether validation and growth-seeking mediate the relationship between selforiented and socially prescribed perfectionism and burnout. One-hundred and fifty canoe polo and kayak slalom athletes recruited from the top two divisions in the UK completed measures of validation and growth-seeking (GOI), perfectionism (HMPS), and athlete burnout (ABQ). Analyses supported the mediating role of validation-seeking in the relationship between socially prescribed perfectionism and burnout. However, while bivariate correlations indicated that self-oriented perfectionism was positively related to both validation and growth-seeking, neither mediated the self-oriented perfectionism-burnout relationship. The findings suggest that validation-seeking may be an important psychological factor in the development of burnout for athletes exhibiting high levels of socially prescribed perfectionism. The relationship between self-oriented perfectionism and athlete burnout remains unclear because of its association with multiple motives and with socially prescribed perfectionism
âOther spacesâ for lesbian, gay, bisexual, transgendered and questioning (LGBTQ) students: positioning LGBTQ-affirming schools as sites of resistance within inclusive education
This article explores the growing interest in schools which are aimed at children and young people who are lesbian, gay, bisexual, transgendered and questioning (LGBTQ), schools described as LGBTQ-affirming. Schools which target specific groups of students are sometimes viewed as being anti-inclusive because they assign labels to students and separate them from one another. This is based on a notion of inclusive education as a single âschool for allâ; a comprehensive, common school which is suitable for all children in a particular locality. Using academic literature alongside original data from an in-depth qualitative case study of an LGBTQ-affirming school in Atlanta, this article addresses the question of whether there is a place for LGBTQ-affirming schools within inclusive education systems. It argues that the word âsegregatedâ is not an accurate description of these schools, positing that segregated spaces are not the same as separate spaces. It argues that the separateness of LGBTQ-affirming schools is important to their role in inclusive education, specifically when they are positioned as examples of Foucaultâs heterotopias. Viewing them through this theoretical lens enables them to be seen as âother spacesâ, as a form of âresistanceâ and âprotestâ which may âunstitchâ the utopian vision of inclusive education
The effect of CO2-loaded amine solvents on the corrosion of a carbon steel stripper
The corrosive behaviour of loaded amine solvents was evaluated under stripper operating conditions, for post-combustion carbon capture, to determine the feasibility of using carbon steel in plant construction. In addition to monoethanolamine, three alternative amine solvents: methyldiethanolamine (MDEA), 2-amino-2-methyl-1-propanol (AMP), 1-(2-aminoethyl)piperazine (AEPZ), and the common additive K2CO3 were studied when in contact with carbon steel (C1018) over a 28-day period. Corrosive behaviour was evaluated using carbon steel coupons: gravimetric method for weight change, surface imaging (SEM) and analytical techniques (EDX and XRD), and Fe ion concentration in solution (ICPâOES). The results demonstrated that MDEA and AMP as well as K2CO3 develop a significant siderite (FeCO3) layer on the carbon steel surface. The presence of this layer is attributed to the preferred reaction pathway with CO2 for tertiary and sterically hindered amines. The FeCO3 layer formed in the case of MDEA provides superior protection from continued corrosion of the carbon steel. By contrast, MEA and AEPZ show significant corrosion to the carbon steel surface. In conclusion, MDEA, AMP, and K2CO3 can preferentially produce sufficient surface FeCO3 layers to reduce corrosion levels in carbon steels for use under stripper conditions in post-combustion carbon capture plants
âThe Word Gay has been Banned but People use it in the Boysâ Toilets whenever you go inâ: spatialising childrenâs subjectivities in response to gender and sexualities education in English primary schools
This paper critically analyses childrenâs (6â11 year olds) contradictory, socio-spatial responses to âgender and sexualities educationâ in English primary schools. Drawing on ethnographic, interview and focus group data from an 18-month study, the paper foregrounds âformalâ and âinformalâ spaces of learning in order to illustrate how childrenâs gendered and sexualised subjectivities are both constituted within â and constitutive of â the spatialities of schooling. Utilising subjectivity and performativity theory after Butler, a âgood studentâ that performs âacceptanceâ of liberal discourses of gender and sexual diversity in classrooms is distinguished from a âgood peerâ that is simultaneously compelled to reinstate (hetero)gender/sexuality in the playground, toilets and corridors. These contradictory sociospatial stances, which came to the fore in focus groups that defy âformalâ or âinformalâ categorisation challenge gender and sexualities education centred on equalities and anti-bullying. Findings from this study point to the urgent need to acknowledge and counter the dominance of wider heteronormative ideals
Teaching geographies of sexualities: 20 years on
This editorial provides an introduction to the Journal of Geography in Higher Education Symposium on âTeaching geographies of sexualities: 20 years onâ. This edited collection revisits the Symposium âTeaching sexualities in geographyâ (Journal of Geography in Higher Education, Volume 23 [1999], Issue 1) and the earlier Arena Symposium essay series âTeaching sexual geographiesâ (Journal of Geography in Higher Education, Volume 21 [1997], Issue 3). The contributions to this updated anthology trace the evolvement and provide original critiques of the current state of sexualities (and, in extension, gender and intersectionality) education in geography curricula in transnational context. These interconnecting papers allow for a more in-depth understanding of the diverse possibilities and challenges facing the teaching of sexualities within geography in a contemporary international climate and identify opportunities for expanded provision. This editorial concludes with critical pointers to champion teaching-inflected sexualities scholarship that traverse disciplinary and geographical borders of pedagogical inquiry
Exploring wind direction and SO2 concentration by circular-linear density estimation
The study of environmental problems usually requires the description of
variables with different nature and the assessment of relations between them.
In this work, an algorithm for flexible estimation of the joint density for a
circular-linear variable is proposed. The method is applied for exploring the
relation between wind direction and SO2 concentration in a monitoring station
close to a power plant located in Galicia (NW-Spain), in order to compare the
effectiveness of precautionary measures for pollutants reduction in two
different years.Comment: 17 pages, 7 figures, 2 table
The Conformal Sector of F-theory GUTs
D3-brane probes of exceptional Yukawa points in F-theory GUTs are natural
hidden sectors for particle phenomenology. We find that coupling the probe to
the MSSM yields a new class of N = 1 conformal fixed points with computable
infrared R-charges. Quite surprisingly, we find that the MSSM only weakly mixes
with the strongly coupled sector in the sense that the MSSM fields pick up
small exactly computable anomalous dimensions. Additionally, we find that
although the states of the probe sector transform as complete GUT multiplets,
their coupling to Standard Model fields leads to a calculable threshold
correction to the running of the visible sector gauge couplings which improves
precision unification. We also briefly consider scenarios in which SUSY is
broken in the hidden sector. This leads to a gauge mediated spectrum for the
gauginos and first two superpartner generations, with additional contributions
to the third generation superpartners and Higgs sector.Comment: v2: 51 pages, 2 figures, remark added, typos correcte
Role of informal healthcare providers in tuberculosis care in low- and middle-income countries: A systematic scoping review.
Achieving targets set in the End TB Strategy is still a distant goal for many Low- and Middle-Income Countries (LMICs). The importance of strengthening public-private partnership by engaging all identified providers in Tuberculosis (TB) care has long been advocated in global TB policies and strategies. However, Informal Healthcare Providers (IPs) are not yet prioritised and engaged in National Tuberculosis Programs (NTPs) globally. There exists a substantial body of evidence that confirms an important contribution of IPs in TB care. A systematic understanding of their role is necessary to ascertain their potential in improving TB care in LMICs. The purpose of this review is to scope the role of IPs in TB care. The scoping review was guided by a framework developed by the Joanna Briggs Institute. An electronic search of literature was conducted in MEDLINE, EMBASE, SCOPUS, Global Health, CINAHL, and Web of Science. Of a total 5234 records identified and retrieved, 92 full-text articles were screened, of which 13 were included in the final review. An increasing trend was observed in publication over time, with most published between 2010-2019. In 60% of the articles, NTPs were mentioned as a collaborator in the study. For detection and diagnosis, IPs were primarily involved in identifying and referring patients. Administering DOT (Directly Observed Treatment) to the patient was the major task assigned to IPs for treatment and support. There is a paucity of evidence on prevention, as only one study involved IPs to perform this role. Traditional health providers were the most commonly featured, but there was not much variation in the role by provider type. All studies reported a positive role of IPs in improving TB care outcomes. This review demonstrates that IPs can be successfully engaged in various roles in TB care with appropriate support and training. Their contribution can support countries to achieve their national and global targets if prioritized in National TB Programs
Phylogenetic analysis of rhodolith formation in the Corallinales (Rhodophyta)
Although the ecological importance of rhodolith (maerl, free-living coralline algae) beds is well-known, rhodolith-forming species have been neglected in molecular phylogenetic studies. This is the first molecular systematic study aimed at understanding whether the rhodolith habit is a fixed feature in lineages and determining the relationship (phylogenetic vs. environmental) between rhodolith and crustose habits. Phylogenetic relationships of rhodolith-forming species and encrusting coralline algae at generic and species levels were analysed using SSU rDNA and psbA sequences. Extensive sampling in the European North Atlantic, Pacific and Caribbean Mexico of Phymatolithon, Lithothamnion, Lithophyllum and Neogoniolithon taxa forming rhodoliths and crusts was accompanied by examination of type or topotype material. Phylogenetic reconstruction showed that Neogoniolithon contained a monophyletic group of rhodolith-forming species whereas other rhodolith-formers were closely related to encrusting forms in the genera Phymatolithon, Lithothamnion, Mesophyllum, Hydrolithon, Spongites and Sporolithon. DNA analysis showed that the crust-forming Lithophyllum cf. incrustans/dentatum also forms rhodoliths with a stone nucleus that occur on rocky shores. In contrast, species that form beds of non-nucleate rhodoliths (e.g. Neogoniolithon spectabile, N. strictum, Lithophyllum cf. incrustans/dentatum or sp. 1 and Phymatolithon calcareum) rarely form crusts. The rhodolith habit cannot be used to delimit species for taxonomic or identification purposes. Extensive taxonomic revision will be required to deal with problems such as the position of specimens identified as Lithophyllum margaritae in two unrelated lineages
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