863 resultados para 220000 Social Sciences, Humanities and Arts - General


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The present study assesses the effects of a lack of social support reciprocity at work on employees' occupational self-efficacy beliefs. We assume that the self-efficacy effects of received support and support reciprocity depend on the specific work context (e.g., phase in the process of organizational socialization). 297 women who returned to work after maternity leave participated at three measurement points (five weeks, eleven weeks, six months after re-entry). We measured self-reported received and provided support as well as occupational self-efficacy beliefs. Women who received a high amount but provided only little support at work (overbenefitting) reported lowered self-efficacy beliefs. As expected, this effect was not found at the beginning of re-entry, but only later, when over-benefitting began to be negatively related to recipients' self-efficacy beliefs.

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This is a report on data raised through research, which has already finished, about Identification references in adolescents . Objetives : To analyze and reflect upon the collected data, adolescents' representations about the work field and their projects for future work. To conceptualize about the crises of social significances which produce and order sense and, therefore, organize our perceptions of work through social discourses and practices which have an impact on the subjectivity of adolescents and young adults. Methodology: Brief presentation of the concepts which frame the qualitative research in this area. Reading and analysis of fragments from adolescents' accounts, obtained in focal groups at different state secondary schools. Conclusions: The adolescents researched portray a self-image full of uncertainty and skepticism as regards their future possibilities. The impact produced by the fall of work as an ideal of doing and being is made evident in their accounts. Only some of them link their future project with an invested and valuable activity, even if this is not associated with economic safety and wellbeing. Others present themselves as incapable to modify the state of things, which offers a field connected with consumerist values and with the idea that "you are worth what you have (in material things)".

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This is a report on data raised through research, which has already finished, about Identification references in adolescents . Objetives : To analyze and reflect upon the collected data, adolescents' representations about the work field and their projects for future work. To conceptualize about the crises of social significances which produce and order sense and, therefore, organize our perceptions of work through social discourses and practices which have an impact on the subjectivity of adolescents and young adults. Methodology: Brief presentation of the concepts which frame the qualitative research in this area. Reading and analysis of fragments from adolescents' accounts, obtained in focal groups at different state secondary schools. Conclusions: The adolescents researched portray a self-image full of uncertainty and skepticism as regards their future possibilities. The impact produced by the fall of work as an ideal of doing and being is made evident in their accounts. Only some of them link their future project with an invested and valuable activity, even if this is not associated with economic safety and wellbeing. Others present themselves as incapable to modify the state of things, which offers a field connected with consumerist values and with the idea that "you are worth what you have (in material things)".

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This is a report on data raised through research, which has already finished, about Identification references in adolescents . Objetives : To analyze and reflect upon the collected data, adolescents' representations about the work field and their projects for future work. To conceptualize about the crises of social significances which produce and order sense and, therefore, organize our perceptions of work through social discourses and practices which have an impact on the subjectivity of adolescents and young adults. Methodology: Brief presentation of the concepts which frame the qualitative research in this area. Reading and analysis of fragments from adolescents' accounts, obtained in focal groups at different state secondary schools. Conclusions: The adolescents researched portray a self-image full of uncertainty and skepticism as regards their future possibilities. The impact produced by the fall of work as an ideal of doing and being is made evident in their accounts. Only some of them link their future project with an invested and valuable activity, even if this is not associated with economic safety and wellbeing. Others present themselves as incapable to modify the state of things, which offers a field connected with consumerist values and with the idea that "you are worth what you have (in material things)".

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This work sets out an innovative methodology that aims to facilitate the implementation and continuous improvement of Social Responsibility. It is a methodology that takes account of strategic-economic, social and environmental questions and allows measuring the impact of each of these aspects on the stakeholders and on each of the value areas. It can be extrapolated to all kinds of organisations regardless of their size and sector and admits scaleable models. A marked feature that sets it aside from other methodologies is that it eliminates subjectivity from the qualitative aspects and introduces an algorithm to quantify them.

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Fish and mammal bones from the coastal site of Cerro Azul, Peru shed light on economic specialization just before the Inca conquest of A.D. 1470. The site devoted itself to procuring anchovies and sardines in quantity for shipment to agricultural communities. These small fish were dried, stored, and eventually transported inland via caravans of pack llamas. Cerro Azul itself did not raise llamas but obtained charqui (or dried meat) as well as occasional whole adult animals from the caravans. Guinea pigs were locally raised. Some 20 species of larger fish were caught by using nets; the more prestigious varieties of these show up mainly in residential compounds occupied by elite families.

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Human transcription initiation factor TFIID is composed of the TATA-binding polypeptide (TBP) and at least 13 TBP-associated factors (TAFs) that collectively or individually are involved in activator-dependent transcription. To investigate protein-protein interactions involved in TFIID assembly and in TAF-mediated activator functions, we have cloned and expressed cDNAs encoding human TAFII80 and TAFII31. Coimmunoprecipitation assays showed that TAFII80 interacted with TAFII250, TAFII31, TAFII20, and TBP, but not with TAFII55. Similar assays showed that TAFII80 interacted with TFIIE alpha and with TFIIF alpha (RAP74) but not with TFIIB, TFIIE beta, or TFIIF beta (RAP30). Further studies with TAFII80 mutations revealed three distinct interaction domains which fall within regions conserved in human TAFII80, Drosophila TAFII60, and yeast TAFII60. The N terminus of TAFII80 (residues 1-100) interacts with both TAFII31 and TAFII20, while two C-terminal regions are involved, respectively, in interactions with TAFII250 and TFIIF alpha (RAP74) (residues 203-276) and with TBP and TFIIE alpha (residues 377-505). The interactions between TAFII80 and general factors TFIIE alpha and TFIIF alpha (RAP74) could be important for recruitment of GTFs during activator-dependent transcription. Because TAFs 80, 31, and 20 show sequence similarities to histones H4, H3, and H2B, as well as some parallel interactions, this subset of TAFs may form a related core structure within TFIID.