997 resultados para Harder


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Our experiences as Indigenous academics within universities often reflects the experiences we have as Indigenous people in broader society, yet I am still surprised and angered when it is others working in higher education who espouse notions of justice and equity with whom we experience tension and conflict in asserting our rights, values and cultural values. At times it is a constant struggle even when universities have Reconciliation Statements as most of them do now, Indigenous recruitment or employment strategies and university wide anti-racism and anti-discrimination policies and procedures.

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Attributions of laziness, reflected in teacher comments such as “just try harder and you will shine” may mask specific cognitive, learning, attentional or emotional problems that could explain low motivation in some children. This paper reports findings from an investigation of 20 children, aged 7 to 10 years, who were regarded as lazy by their parents and teachers. Questionnaire measures provided evidence of low levels of motivation and classroom engagement. Psychometric assessments revealed the presence of a range of difficulties including phonologically-based learning disabilities and significant problems with attention in 17 of the 20 children. The paper concludes that the special needs of an unknown number of children may be overlooked because they are simply presumed to be lazy.

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Surrogacy has produced some positive outcomes creating an opportunity for otherwise childless couples to live their dream of parenthood. However it has also been problematic, particularly where the surrogate mother fails to relinquish a child born as a result of the surrogacy arrangement. This article examines whether a surrogate mother, who is genetically related to the child she delivers, is less likely to relinquish the child than one who has no genetic ties. An examination of empirical evidence provides support for this argument. Legislation and case law in three jurisdictions, Australia, the United States and the United Kingdom, is examined to determine which, if any, of these jurisdictions take into account the existence, or otherwise, of a genetic link between the surrogate mother and the child she bears. The article concludes that surrogacy legislation should, subject to exceptional circumstances, encourage surrogacy arrangements where the child and the surrogate are not genetically related.

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Entrepreneurs starting their first businesses between the ages of 55 and 64 years represent the fastest growing entrepreneurship segment in America and Australia. There is sparse research on older entrepreneurs with conflicting results, particularly with respect to generational differences. Previous literature on generational differences focuses on family businesses, but characteristics of founders of family businesses are quite different than those of founders of non-family businesses. Consequently, we compare characteristics of older entrepreneurs to younger entrepreneurs as they start new ventures. Are there differences in their work styles and venture performance? This study makes a contribution to entrepreneurship literature by studying the growing phenomenon of older entrepreneurs. We make a contribution to practice by helping older entrepreneurs identify their strengths, which could lead to more successful older entrepreneurs and provide satisfying and rewarding careers to those leaving wage and salary employment to pursue self employment.

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The problem of finding an optimal vertex cover in a graph is a classic NP-complete problem, and is a special case of the hitting set question. On the other hand, the hitting set problem, when asked in the context of induced geometric objects, often turns out to be exactly the vertex cover problem on restricted classes of graphs. In this work we explore a particular instance of such a phenomenon. We consider the problem of hitting all axis-parallel slabs induced by a point set P, and show that it is equivalent to the problem of finding a vertex cover on a graph whose edge set is the union of two Hamiltonian Paths. We show the latter problem to be NP-complete, and also give an algorithm to find a vertex cover of size at most k, on graphs of maximum degree four, whose running time is 1.2637(k) n(O(1)).

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Surface texture influences friction during sliding contact conditions. In the present investigation, the effect of surface texture and roughness of softer and harder counter materials on friction during sliding was analyzed using an inclined scratch testing system. In the experiments, two test configurations, namely (a) steel balls against aluminum alloy flats of different surface textures and (b) aluminum alloy pins against steel flats of different surface textures, are utilized. The surface textures were classified into unidirectionally ground, 8-ground, and randomly polished. For a given texture, the roughness of the flat surfaces was varied using grinding or polishing methods. Optical profilometer and scanning electron microscope were used to characterize the contact surfaces before and after the experiments. Experimental results showed that the surface textures of both harder and softer materials are important in controlling the frictional behavior. The softer material surface textures showed larger variations in friction between ground and polished surfaces. However, the harder material surface textures demonstrated a better control over friction among the ground surfaces. Although the effect of roughness on friction was less significant when compared to textures, the harder material roughness showed better correlations when compared to the softer material roughness.

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A look at best practice, good practice and administrative workflows

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Research on socially excluded young fathers has been minimally addressed in the literature (SEU 1999, 2004). Indeed, research on young parents which informs health and social care professionals is often presented ‘through the eyes of the mother’ (Reeves 2006). Young parents in general and young fathers in particular are notoriously difficult to gain access to and engage with (Tyrer et al 2005) particularly if they have had previous negative involvement with the statutory services. Moreover, as Daniel and Taylor (1999, 2001, 2003) point out, professionals working in the health and care services often have an intense ‘maternal’ focus and this often excludes fathers from discussion and decisions about their children. The focus of this paper, drawing on two narrative studies of young fathers aged between 15-24 from the US and USA, is to evaluate the features of professional relationships that young fathers describe as finding helpful. Indeed, the findings discuss moving away from a culture of parenting classes, which all the young men interviewed described as finding problematical and in some cases embarrassing, to a culture of support which actively draws on their strengths and helps them become providers for their new families.

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For some time, the satisfiability formulae that have been the most difficult to solve for their size have been crafted to be unsatisfiable by the use of cardinality constraints. Recent solvers have introduced explicit checking of such constraints, rendering previously difficult formulae trivial to solve. A family of unsatisfiable formulae is described that is derived from the sgen4 family but cannot be solved using cardinality constraints detection and reasoning alone. These formulae were found to be the most difficult during the SAT2014 competition by a significant margin and include the shortest unsolved benchmark in the competition, sgen6-1200-5-1.cnf.

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A strong link between the offender’s ill-health and the likely adverse effects of imprisonment needs to be made if the court is to be persuaded that this should be a mitigating factor in sentencing.

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Hard determinism, in theological dress, holds that there is no human free will since God is the sufficient active cause of everything that happens in creation. It is surprising that, in the ever-growing literature on the problem of evil, very little attention has been paid to theodicies that adopt a hard determinist outlook. It is commonly assumed that without free will the theodical project is a non-starter. I challenge this long-held assumption by, firstly, developing a cumulative-style theodicy from within a hard determinist framework, and secondly, comparing the merits of such a theodicy with two libertarian rivals, specifically, Molinism and open theism. The hard determinist model of divine providence is, I argue, in no worse shape than the principal models developed by libertarians.

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By integrating some of the required tasks, assessment, planning, appraisal and self review, teachers can use one set of documentation for a number of tasks. What this can do is highlight common threads and inform teachers about ways to improve practice and create improved outcomes for children, families - and teachers.