916 resultados para Projet parental


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Alloparental care was investigated in the biparental West African cichlid, Pelvicachromis pulcher. Non-breeding adults typically consumed young conspecifics but this trait was inhibited in both sexes during reproductive attempts. Alien conspecific young were accepted into the brood if they were of a similar age/developmental stage to the parents' own young but not if they were much older or much younger. If not accepted they were consumed by whichever adult located them. Parents separated from their brood for up to 4 days accepted their young on reunion but separation for more than 4 days resulted in the young being consumed. This latter response occurred if chemical stimuli from the young were available during the separation but not if visual stimuli were available. In this latter case parental responsiveness was maintained. Both sexes of this externally fertilizing species appeared to have the same information about their young and showed the same changes in responsiveness and the same discriminatory abilities. (C) 1997 The Association for the Study of Animal Behaviour.

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In South Korea, as in many other parts of the world, children begin learning English when they are very young. Korean parents want their children to learn English as quickly as possible and often make heavy financial and other investments in their children’s English language education. English language teachers of school-age learners in Korea often feel pressure and in some cases criticism from parents regarding English language instruction. This article reports the results of a study designed to begin examining the perceptions that Korean parents hold regarding English language instruction. It illustrates how some of their beliefs reflect the latest language teaching research, whereas others are more indicative of traditional Korean belief systems, educational approaches, and methodologies.

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1. Recent proliferation of hybridisation in response to anthropogenic ecosystem change, coupled with increasing evidence of the importance of ancient hybridisation events in the formation of many species, has moved hybridisation to the forefront of evolutionary theory.

2. In spite of this, the mechanisms (e. g. differences in trophic ecology) by which hybrids co-exist with parental taxa are poorly understood. A unique hybrid zone exists in Irish freshwater systems, whereby hybrid offspring off two non-native cyprinid fishes often outnumber both parental species.

3. Using stable isotope and gut content analyses, we determined the trophic interactions between sympatric populations of roach (Rutilus rutilus), bream (Abramis brama) and their hybrid in lacustrine habitats.

4. The diet of all three groups displayed little variation across the study systems, and dietary overlap was observed between both parental species and hybrids. Hybrids displayed diet, niche breadth and trophic position that were intermediate between the two parental species while also exhibiting greater flexibility in diet across systems.

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The relationship between parental background and children's educational outcomes has been a dominant theme within the sociology of education. There has been an on-going debate as to the relative merits of explanations which focus on the role of socio-cultural reproduction and those which focus on rational choice. However, many empirical studies within the social stratification tradition fail to allow for children's own agency in shaping the relationship between social background and schooling outcomes. This paper draws on the first wave of a large-scale longitudinal study of over 8,000 nine-year-old children in Ireland, which combines information from parents, school principals, teachers and children themselves. Both social class and parental education are found to have significant effects on reading and mathematics test scores among nine year olds. These effects are partly mediated by home-based educational resources and activities, parents' educational expectations for their child, and parents' formal involvement in the school. More importantly, children's own engagement with, and attitudes to, school significantly influence their academic performance. The influence of children's own attitudes and actions can thus reinforce or mitigate the effect of social background factors. The analysis therefore provides a bridge between the large body of research on the intergenerational transmission of inequality and the emerging research and policy literature on children's rights.

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Since the Millennium, the use of physical punishment in the home has been a widely debated topic across the UK. Reliance on public opinion has been an important feature of this debate with a variety of UK surveys showing that many find physical punishment acceptable and do not support a complete ban on smacking. Drawing on the results from a comprehensive review of the literature, this article highlights that public/parental opinion is less than straightforward. Parents are often ambivalent about physical discipline, do not view it as an optimal method of behaviour management and are more prone to smack when stressed or angry. Likewise, a survey of the disciplinary practices and attitudes of 1000 parents in Northern Ireland shows that majority of parents have negative attitudes towards physical discipline. Nonetheless, many parents continue to smack despite the fact they do not believe it to be effective. Lack of parental support for legislative reform should be reconsidered in the light of this ambivalence. Most important, the UK Government needs to reframe the smacking debate in terms of children's rights rather than relying on public opinion if it is to fulfil its commitment to protect children from harm as set out in the United Nations Convention on the Rights of the Child.

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This article assesses the position of English law concerning parental disputes about the religious upbringing of children. Despite the strong emphasis on both parents being able to direct their child’s religious upbringing, courts have interpreted the child’s welfare to restrict the exposure of the child to parental religious beliefs or practices in some circumstances: preserving the child’s future choice of religion, the physical integrity of the child, the child’s contact and relationship with both parents, the child’s educational choices, and the child’s relationship with both parents’ religious community. It is suggested that courts should have a wide understanding of welfare and should be wary to prohibit parents teaching their minority beliefs. This article also compares the position of the European Court of Human Rights (ECtHR) and suggests that, despite the stronger emphasis by the ECtHR on parental rights, English law is generally not that much at odds with the ECtHR.