877 resultados para random regular graphs
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Inclusion of students with autism in regular education settings is a topic that has not been much explored by the national scientific literature. This matter is complex and, due to the extent of various aspects involved, it is essential to delimitate a focus of investigation. The direction taken by this study was to evaluate the effects of an intervention program in the communicative interactions between a student with autism and his teacher in a regular classroom. Data were collected in an elementary private school, located in the city of Natal, Rio Grande do Norte during the 2010 academic school year. The study included a teacher and a non-vocal, 10-year-old student diagnosed with autism. A quasi-experimental A-B research design was employed. During the intervention program the teacher was trained to use Naturalistic Teaching Strategies and Alternative and Augmentative Communication (AAC) resources to increase the frequency of interactions with the student during three classroom routines (entry time, snack and pedagogical activity). The results indicated qualitative and quantitative changes in the interactions of the dyad after the implementation of the intervention program. The student began to use pictograms to communicate with the teacher in two of the three routines investigated. The frequency of AAC use was also observed in the teacher‟s repertoire, especially when the student failed to understand gestures and words. The teacher positively evaluated the intervention program
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Study descriptive that was designed to assess the quality of care for people with venous ulcers (VUs) tended at the ambulatory of a university hospital in Natal / RN. The target population of the study was composed by 40 users bearers of venous ulcers served in the ambulatory of angiology of a university hospital in the level of tertiary education. The study received assent of the Ethics Committee of the Federal University of Rio Grande do Norte (Protocol No. 169/06). The collect of data was performed using a form of interview and tour with collection of measures biophysiologic, for a team comprised by the researchers and an academic of nursing, in the period of three months. The data were analyzed in SPSS 14.0, using descriptive statistics and presented in the form of charts, tables and graphs. Identified a clientele of holders of VUs predominantly female, married, aged up to 59 years, low level of education and household income, from Natal, retirees or those exercising professions and occupations that require long periods standing or sitting. In relation to the characteristics of health, those surveyed had risk factors for venous disease and had UVs chronic, located in Zone 2, lost tissue in grade II and serous exudates on average quantity. The assistance to holders of UVs has been characterized by a lack of professional nurses and unavailability of products for the realization of the right curative in ambulatory and outside it; by the inadequacy of products used in VUs, for long periods of treatment without resolution, where the compressive therapy is not priority, by the lack of completeness in the levels of assistance; by monitoring the bearer of UVs only by doctors and the nurses, even with the other team of professionals in the health service; by the completion of guidelines by health professionals and the lack the standardization of conducting laboratory and specifics tests. The assistance was assessed as inadequate in aspects: reference and counter-reference (75.0%), number of consultations with angiologists last year (87.5%), documentation of the clinical findings (85.0%), use of compressive therapy in the past 30 days (77.5%), part of the team interdisciplinary (97.5%), completion of laboratory and specifics tests in the last year (100%), availability of products used in achieving the curative in ambulatory (80, 0%), and indication of products used in the conduct of dressing outside the clinic (70.0%) and appropriate in the guidelines made on the use of socks, lifting of the members and prescription of exercises regular (82.5%) and indication products used in achieving the curative in ambulatory (97.5%). We conclude that the assistance provided to holders of UV was inadequate in 80% of cases interviewed, becoming non-resolutive and assistematic
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A descriptive and exploratory Study, quantitative in nature, with the aim to assess the Quality of Life (QL) of the elderly leaving in a Long Residence Institution (LRI) according to their own perception. It was conducted in six Public Institutions of Long Residence for Seniors, in the municipality of Natal - RN, in the period of July to August 2007. The data was collected using two structured interview forms: the first, containing questions about socio-demographic aspects and the second - the WHOQUOL-OLD, prepared by the World Health Organization to assess elderly s quality of life. The reference population was 266 old persons, and a random sample, of 43, being 28 women and 15 men, who account for 30%. The results indicated there is a predominance of older women (65.1%) and the average age is 76.6 years; the predominant religion is the Catholic - 44.2% and, 32.6% are unmarried without children. As for schooling and precedence, 41.9% are illiterate and 67.4% come from the rural area. The time of residency in the institution goes between 1 to 5 years for 69.8% of the elderly, 37.2% of them residing in the institution for not having another option. Most elderly informed using medicines. 51.3% said they are taking anti-hypertensive. As for the other aspects of QL: sensory aspects, autonomy, past, present and future activities, social participation, death and dying and intimacy, the WHOQOL-OLD, showed an average total score of 52.9% (scale of 0 to 100), with a tendency to neutrality, denoting that the elderly, in this study, evaluated their QL as neither satisfactory or unsatisfactory. Of all the facets of the instrument of QL, the sensory facet secured the highest average scores (68,1%), showing that the elderly are "happy" in the situation in which they find themselves, not showing significant disabilities. The facet of autonomy, which refers to the independence and the ability to make decisions on their own life, received the lowest average scores (40.7%), showing the dissatisfaction of the elderly on this aspect. The evaluation of the elderly on other facets were: social participation (48.2%); activities past, present and future (44.6%) and intimacy (50.6%), all perceived as neither unsatisfactory or satisfactory. On the item death and dying, the elderly people declared themselves satisfied, with average score of 65.5%. The analysis of the reliability of the WHOQOL-OLD by the Cronbach Alpha showed 0.57, considering the 24 items that cover the instrument, showing regular internal reliability of the instrument, in our reality. The result is probably due to differences between the regions south and east and the broader sociocultural diversity. We believe that the elderly in this study, tended to realize their QL as neutral, considering it as neither unsatisfactory or satisfactory, result likely related to the resignation with the destine, characterized, at the time, by the finitude of life, feeling very common among elderly, or perhaps, even for an accommodation, often accompanied by discouragement, present in the daily life of many of them
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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A total of 15,901 scrotal circumference (SC) records from 5300 Nelore bulls, ranging from 229 to 560 days of age, were used with the objective of estimating (co)variance functions for SC, using random regression models. Models included the fixed effects of contemporary group and age of dam at calving as covariable (linear and quadratic effects). To model the population mean trend, a third order Legendre polynomial on animal age was utilized. The direct additive genetic and animal permanent environmental random effects were modeled by Legendre polynomials on animal age, with orders of fit ranging from 1 to 5. Residual variances were modeled considering 1 (homogeneity of variance) or 4 age classes. Results obtained with the random regression models were compared to multi-trait analysis. (Co)variance estimates using multi-trait and random regression models were similar. The model considering a third- and fifth-order Legendre polynomials for additive genetic and animal permanent environmental effects, respectively, was the most adequate to model changes in variance of SC with age. Heritability estimates for SC ranged from 0.24 (229 days of age) to 0.47 (300 days of age), remained almost constant until 500 days of age (0.52), decreasing thereafter (0.44). In general, the genetic correlations between measures of scrotal circumference obtained from 229 to 560 days of age decreased with increasing distance between ages. For genetic evaluation scrotal circumference could be measured between 400 and 500 days of age. (C) 2010 Elsevier B.V. All rights reserved.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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The objective of this study was to estimate (co)variance components using random regression on B-spline functions to weight records obtained from birth to adulthood. A total of 82 064 weight records of 8145 females obtained from the data bank of the Nellore Breeding Program (PMGRN/Nellore Brazil) which started in 1987, were used. The models included direct additive and maternal genetic effects and animal and maternal permanent environmental effects as random. Contemporary group and dam age at calving (linear and quadratic effect) were included as fixed effects, and orthogonal Legendre polynomials of age (cubic regression) were considered as random covariate. The random effects were modeled using B-spline functions considering linear, quadratic and cubic polynomials for each individual segment. Residual variances were grouped in five age classes. Direct additive genetic and animal permanent environmental effects were modeled using up to seven knots (six segments). A single segment with two knots at the end points of the curve was used for the estimation of maternal genetic and maternal permanent environmental effects. A total of 15 models were studied, with the number of parameters ranging from 17 to 81. The models that used B-splines were compared with multi-trait analyses with nine weight traits and to a random regression model that used orthogonal Legendre polynomials. A model fitting quadratic B-splines, with four knots or three segments for direct additive genetic effect and animal permanent environmental effect and two knots for maternal additive genetic effect and maternal permanent environmental effect, was the most appropriate and parsimonious model to describe the covariance structure of the data. Selection for higher weight, such as at young ages, should be performed taking into account an increase in mature cow weight. Particularly, this is important in most of Nellore beef cattle production systems, where the cow herd is maintained on range conditions. There is limited modification of the growth curve of Nellore cattle with respect to the aim of selecting them for rapid growth at young ages while maintaining constant adult weight.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)