966 resultados para quantitative research method


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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O presente trabalho, através da metodologia quantitativa de investigação, realiza um estudo comparativo sobre as diferenças nos valores e nas ideias da população a respeito do sistema político, o Estado, a democracia, participação e representação política no município de Paragominas que recebe influência de imigração de diversos grupos sociais o qual foi fundado por uma população de origem do centro oeste, sul e principalmente o nordeste brasileiro durante a construção da BR 010 (Belém-Brasília) que incentivou o fluxo migratório para a região no decorrer do processo de colonização da Amazônia; e o município de Cametá sem fluxo migratório e assim reconhecido como município tradicional e pertencente aos municípios mais antigos do estado do Pará cuja origem é do período colonial mas que, assim como Paragominas, pertence aos municípios de médio-grande porte. Porém, Cametá possui uma economia baseada principalmente na agricultura e é espacialmente mais isolado e distante dos eixos de desenvolvimento. Um método aplicável foi a realização do levantamento em escolas do Ensino Médio, onde há uma concentração de pessoas que permitiu a realização de amostra por conglomerado entre alunos na faixa etária de 16 a 24 anos de idade.

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Pós-graduação em Engenharia Mecânica - FEG

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Pós-graduação em Enfermagem (mestrado profissional) - FMB

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Even though we have an advanced protective legislation regarding children, the maltreatment perpetrated against them is still considered a public health problem in our country, with significant rates in the 0 to 6 years old range. This practice results in serious damages to the development of the assaulted individual: mental health, social adaptation and integration, and even repetition of the learned model. The school, although required (art. 245, ECA) to denounce and notify suspected and/or proven cases of violence to the eligible public agencies, has a very low percentage of participation in these notifications. Therefore, the objective of this study was to map the conception, placement and forwarding done by kindergarten professional about suspected and/or proven cases of maltreatment in their students to determine how such phenomenon is known, recognized, (re)constructed and (re)produced in social relations. The surveyed institutions were five kindergarten public schools, located in a mid-size city in the state of São Paulo. The adopted methodological procedures were the collection and analysis of quantitative-qualitative data, based on the anthropological research method on urban social groups. To collect the data, we used the following instruments: the questionnaire (38) and the interviews (6), applied in the period of October/2009 to May/2010. The analysis of the obtained data indicated some factors that hinder an effective positioning in fighting violence: professionals report the presence of suspected maltreatment (45%), however, the allegations are not investigated; the lack of knowledge and/or distorted concepts about the legislation, and also indicators of the presence of maltreatment, of its negative consequences to the development of the child, the false belief in the sanctity of the family and that maltreatment only occurs in the ghetto, in the lower classes... (Complete abstract click electronic access below)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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This is a bibliometric study on the evolution of research on the topic Strategy as Social Practice, from 2009 to 2014. The general objective is to produce bibliometric indicators that show how scientific studies on the strategy as social practice They have evolved in the Brazilian scene. It was considered as a database articles published on the topic in scientific events EnANPAD and 3Es, both of ANPAD - National Association of Graduate Studies and Research in Administration. Studies in strategy have a traditional and historical approach, rooted in the determination of strategies based on scientific knowledge acquired by the managers of the senior management of organizations. Opposing this trend, there are emerging studies in strategy, seeking to evaluate the strategic practice within organizations in various areas, and on some occasions without a decision expected by the traditional approach strategy. To this end, it conducted a theoretical study, descriptive and quantitative approach being used bibliometrics as a research method. They were selected and analyzed 53 articles using descriptive statistical techniques. The results show that studies on the subject are recent and still needs more specific and aligned studies determining the strategy as a social practice

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Purpose - The objective of this paper is to characterise the transactions between European buyers and Brazilian mango and grape producers. Design/methodology/approach - The method selected for this paper was multiple case studies. The Brazilian mango and grape supply chains' export activities to Europe were investigated. The field research was undertaken in Brazil, Germany, The Netherlands and the UK. In total, 41 face-to-face interviews were carried out. Findings - The supermarkets' literature tends to generalise the strategies of retailers focusing on differentiation and preferred suppliers. However, in empirical research conducted in the UK, Germany and The Netherlands it is possible to conclude that the procurement strategies of supermarkets can vary sharply. The results reveal the presence of different agents who demand different quality standards. The level of intensity depends on consumer behaviour, the features of product commercialised and the characteristics of the production segment in each country. Research limitations/implications - First, in relation to the empirical method there is a limitation because the case study does not allow statistical generalisation. Consequently, it will be interesting to undertake quantitative research in order to quantify the variables presented and their impact on the structure of value chains. Second, the research focuses only on two stages of the supply chain, producers and buyers. Practical implications - The differences between UK and German supermarkets challenge the supermarket literature, which tends to generalise the strategies of retailers focusing on differentiation and preferred suppliers. Originality/value - The study shows that the issue of influence and activities of retail agents along the value chain can be analysed taking several variables into consideration: the products commercialised; the distribution segment; and the consumer market. This result opens the way for analysing different structures of the value chain and the impact of these differences on the entry of producers for developing countries into the global market.

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This doctoral work gains deeper insight into the dynamics of knowledge flows within and across clusters, unfolding their features, directions and strategic implications. Alliances, networks and personnel mobility are acknowledged as the three main channels of inter-firm knowledge flows, thus offering three heterogeneous measures to analyze the phenomenon. The interplay between the three channels and the richness of available research methods, has allowed for the elaboration of three different papers and perspectives. The common empirical setting is the IT cluster in Bangalore, for its distinguished features as a high-tech cluster and for its steady yearly two-digit growth around the service-based business model. The first paper deploys both a firm-level and a tie-level analysis, exploring the cases of 4 domestic companies and of 2 MNCs active the cluster, according to a cluster-based perspective. The distinction between business-domain knowledge and technical knowledge emerges from the qualitative evidence, further confirmed by quantitative analyses at tie-level. At firm-level, the specialization degree seems to be influencing the kind of knowledge shared, while at tie-level both the frequency of interaction and the governance mode prove to determine differences in the distribution of knowledge flows. The second paper zooms out and considers the inter-firm networks; particularly focusing on the role of cluster boundary, internal and external networks are analyzed, in their size, long-term orientation and exploration degree. The research method is purely qualitative and allows for the observation of the evolving strategic role of internal network: from exploitation-based to exploration-based. Moreover, a causal pattern is emphasized, linking the evolution and features of the external network to the evolution and features of internal network. The final paper addresses the softer and more micro-level side of knowledge flows: personnel mobility. A social capital perspective is here developed, which considers both employees’ acquisition and employees’ loss as building inter-firm ties, thus enhancing company’s overall social capital. Negative binomial regression analyses at dyad-level test the significant impact of cluster affiliation (cluster firms vs non-cluster firms), industry affiliation (IT firms vs non-IT fims) and foreign affiliation (MNCs vs domestic firms) in shaping the uneven distribution of personnel mobility, and thus of knowledge flows, among companies.

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Rural tourism is relatively new product in the process of diversification of the rural economy in Republic of Macedonia. This study used desk research and life story interviews of rural tourism entrepreneurs as qualitative research method to identify prevalent success influential factors. Further quantitative analysis was applied in order to measure the strength of influence of identified success factors. The primary data for the quantitative research was gathered using telephone questionnaire composed of 37 questions with 5-points Likert scale. The data was analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM) by SmartPLS 3.1.6. Results indicated that human capital, social capital, entrepreneurial personality and external business environment are predominant influential success factors. However, human capital has non-significant direct effect on success (p 0.493) nonetheless the effect was indirect with high level of partial mediation through entrepreneurial personality as mediator (VAF 73%). Personality of the entrepreneur, social capital and business environment have direct positive affect on entrepreneurial success (p 0.001, 0.003 and 0.045 respectably). Personality also mediates the positive effect of social capital on entrepreneurial success (VAF 28%). Opposite to the theory the data showed no interaction between social and human capital on the entrepreneurial success. This research suggests that rural tourism accommodation entrepreneurs could be more successful if there is increased support in development of social capital in form of conservation of cultural heritage and natural attractions. Priority should be finding the form to encourage and support the establishment of formal and informal associations of entrepreneurs in order to improve the conditions for management and marketing of the sector. Special support of family businesses in the early stages of the operation would have a particularly positive impact on the success of rural tourism. Local infrastructure, access to financial instruments, destination marketing and entrepreneurial personality have positive effect on success.

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A liquid chromatography tandem mass spectrometry (LC-MS/MS) confirmatory method for the simultaneous determination of nine corticosteroids in liver, including the four MRL compounds listed in Council Regulation 37/2010, was developed. After an enzymatic deconjugation and a solvent extraction of the liver tissue, the resulting solution was cleaned up through an SPE Oasis HLB cartridge. The analytes were then detected by liquid chromatography-negative-ion electrospray tandem mass spectrometry, using deuterium-labelled internal standards. The procedure was validated as a quantitative confirmatory method according to the Commission Decision 2002/657/EC criteria. The results showed that the method was suitable for statutory residue testing regarding the following performance characteristics: instrumental linearity, specificity, precision (repeatability and intra-laboratory reproducibility), recovery, decision limit (CCα), detection capability (CCβ) and ruggedness. All the corticosteroids can be detected at a concentration around 1 μg kg(-1); the recoveries were above 62% for all the analytes. Repeatability and reproducibility (within-laboratory reproducibility) for all the analytes were below 7.65% and 15.5%, respectively.

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OBJECTIVE: In ictal scalp electroencephalogram (EEG) the presence of artefacts and the wide ranging patterns of discharges are hurdles to good diagnostic accuracy. Quantitative EEG aids the lateralization and/or localization process of epileptiform activity. METHODS: Twelve patients achieving Engel Class I/IIa outcome following temporal lobe surgery (1 year) were selected with approximately 1-3 ictal EEGs analyzed/patient. The EEG signals were denoised with discrete wavelet transform (DWT), followed by computing the normalized absolute slopes and spatial interpolation of scalp topography associated to detection of local maxima. For localization, the region with the highest normalized absolute slopes at the time when epileptiform activities were registered (>2.5 times standard deviation) was designated as the region of onset. For lateralization, the cerebral hemisphere registering the first appearance of normalized absolute slopes >2.5 times the standard deviation was designated as the side of onset. As comparison, all the EEG episodes were reviewed by two neurologists blinded to clinical information to determine the localization and lateralization of seizure onset by visual analysis. RESULTS: 16/25 seizures (64%) were correctly localized by the visual method and 21/25 seizures (84%) by the quantitative EEG method. 12/25 seizures (48%) were correctly lateralized by the visual method and 23/25 seizures (92%) by the quantitative EEG method. The McNemar test showed p=0.15 for localization and p=0.0026 for lateralization when comparing the two methods. CONCLUSIONS: The quantitative EEG method yielded significantly more seizure episodes that were correctly lateralized and there was a trend towards more correctly localized seizures. SIGNIFICANCE: Coupling DWT with the absolute slope method helps clinicians achieve a better EEG diagnostic accuracy.