214 resultados para Glaser
Resumo:
A grounded theory olyan kutatási módszer, ahol az elmélet az empirikus adatokból fejlődik ki és abban gyökerezik (Glaser - Strauss, 1967). Annak ellenére, hogy a módszer nemzetközileg rendkívül népszerű, a grounded theory nem igazán vert gyökeret a hazai menedzsment- és marketingkutatás talajában. A cikk célja a grounded theory kulcsfontosságú mozzanatainak bemutatása és a módszer népszerűsítése. / === / Grounded theory is a research method in which theory emerges from the data and is grounded in it (Glaser - Strauss, 1967). Despite the international popularity of the method, the grounded theory unfortunately hasn't taken roots in the Hungarian management and marketing research fields. The purpose of this article is to highlight some features and key points of the method and to popularize it among researchers.
Resumo:
The English-as-a-second-language (ESL) community college student population has increased notably in the past decade, but a decreasing number of these students are completing courses, programs, or degrees (Erisman & Looney, 2008). These students come to college with unique background experiences, and once in college, deal with challenging linguistic, academic, and social integration issues. Though they are not linguistically homogenous, and they do not have a common purpose, ESL students share the common goal of attending community college to learn to speak English (Szelényi & Chang, 2002). Course completion is a primary measure of progress toward that goal, and is therefore an issue of concern for both ESL students and community colleges, which continue to be the access point for language-minority students progressing into higher education (Laden, 2004).^ The purpose of this study was to investigate the factors that predict in-term persistence of community college ESL students. A mixed methods research design consisting of two phases was utilized, and participants in this study were ESL students enrolled in a large community college in south Florida. Phase 1 students completed the Community College ESL Student Questionnaire (CCSEQ), which collected demographic data and data on entry characteristics, academic integration, and social integration. Discriminant and descriptive analyses were used to report the data collected in Phase I. Phase 2 students were a matching cohort of completing and non-completing students who participated in semi-structured interviews at the end of the term. Data collected in the interviews were analyzed thematically, using a constant comparative method as described by Glaser and Strauss (1967).^ Students’ self reported demographic data, background characteristics, goal commitment, and integration factors on the CCSEQ showed no significance between the students who completed the term and the students who did not complete the term. However, several differentiating themes emerged from the interview data, which indicated differences in goal commitment and integration between the two groups. The focus of non-completers on getting good grades rather than completing the course, and the commitment of completers to the goal of finishing the class in order to go forward, both raise questions for future research studies.^
Resumo:
Conjugated polymers (CPs) are intrinsically fluorescent materials that have been used for various biological applications including imaging, sensing, and delivery of biologically active substances. The synthetic control over flexibility and biodegradability of these materials aids the understanding of the structure-function relationships among the photophysical properties, the self-assembly behaviors of the corresponding conjugated polymer nanoparticles (CPNs), and the cellular behaviors of CPNs, such as toxicity, cellular uptake mechanisms, and sub-cellular localization patterns. Synthetic approaches towards two classes of flexible CPs with well-preserved fluorescent properties are described. The synthesis of flexible poly(p-phenylenebutadiynylene)s (PPBs) uses competing Sonogashira and Glaser coupling reactions and the differences in monomer reactivity to incorporate a small amount (~10%) of flexible, non-conjugated linkers into the backbone. The reaction conditions provide limited control over the proportion of flexible monomer incorporation. Improved synthetic control was achieved in a series of flexible poly(p-phenyleneethynylene)s (PPEs) using modified Sonogashira conditions. In addition to controlling the degree of flexibility, the linker provides disruption of backbone conjugation that offers control of the length of conjugated segments within the polymer chain. Therefore, such control also results in the modulation of the photophysical properties of the materials. CPNs fabricated from flexible PPBs are non-toxic to cells, and exhibit subcellular localization patterns clearly different from those observed with non-flexible PPE CPNs. The subcellular localization patterns of the flexible PPEs have not yet been determined, due to the toxicity of the materials, most likely related to the side-chain structure used in this series. The study of the effect of CP flexibility on self-assembly reorganization upon polyanion complexation is presented. Owing to its high rigidity and hydrophobicity, the PPB backbone undergoes reorganization more readily than PPE. The effects are enhanced in the presence of the flexible linker, which enables more efficient π-π stacking of the aromatic backbone segments. Flexibility has minimal effects on the self-assembly of PPEs. Understanding the role of flexibility on the biophysical behaviors of CPNs is key to the successful development of novel efficient fluorescent therapeutic delivery vehicles.
Resumo:
Case management is increasingly being used within today‟s healthcare system in an effort to reduce healthcare costs while meeting the complex needs of populations within the community. Registered nurses (RNs) are often recruited for the role of case managers in the community because of their specific skill set and ability to navigate the healthcare system. There is a vast amount of literature related to the client and system benefits of case management, the roles and responsibilities of RN case managers, and job satisfaction among RN case managers. However, there is a literature gap noted in relation to the transition experience for RNs new to case management in the community setting. This research study used grounded theory methodology, guided by Glaser and Strauss (1967) to explore the process of RNs transitioning to case management in the community setting. Eleven RNs new to case management in the community were interviewed using semi-structured interviews. Data analysis was carried out using the constant comparative method. Three stages of adjusting to case management in the community were identified: slugging it out, seeing the job as it is, and finding the way. By gaining an understanding of this transition experience, recommendations for nursing practice and administration, education, and research that are based on the evidence from this study can be implemented to improve the transition experience for RNs new to case management in the community setting
Resumo:
Las relaciones entre los gabinetes de Comunicación de los clubes de fútbol y los periodistas deportivos se enmarcan en el modelo de Gieber y Johnson (1961) por el que el hecho de que ambos compartan objetivos comunes, donde los gabinetes de Comunicación necesitan que los medios publiquen determinadas informaciones y los periodistas precisan de noticias que publicar, provoca una pérdida de independencia por parte de los periodistas, ya que necesitan a esos departamentos como fuentes. En la actualidad, los departamentos de Comunicación de los clubes de fútbol, como el del FC Barcelona, se han constituido en gatekeepers. Esto ha acentuado las históricas diferencias que existen entre los periodistas y los profesionales de la comunicación corporativa, incrementado por el control informativo de estos departamentos lo que provoca constantes tensiones entre ambos.
Resumo:
This research analyses the degree of satisfaction of a sample of 874 students from University Programmes for adults and elderly, from Spain. The investigation is framed along the lines of positive psychology, specifically in Martin Seligman’s proposal, founder of this movement, who advocates that the main objective of this branch of psychological science is to investigate the healthy aspects of human life. The methodology applied is mixed. The level of satisfaction, collected through the survey technique was analysed by the SPSS 20.0 (using method CHAID) statistical program for the quantitative data; and by the Programme Atlas.Ti 6.0 (textual and conceptual analyses) for the qualitative data. The analysed data reveal that students are highly satisfied with the programme, the teachers and their peers. The discussion confirms these results, since it has also stood out in others studies
Resumo:
Background: Most qualitative studies exploring the impactof prostate cancer on men and their partners consider the dominant ethnicgroups in the USA, UK, Scandinavia and Australia, with generally concordantfindings. Other ethnic groups are likelyto have different experiences.
Aims: To explorethe impact of prostate cancer and its treatment on men and their partners fromthe less studied ethnic groups.
Methods: Using meta-ethnographyand textual narrative we synthesised peer reviewed qualitative interview-based studiesdated 2000-2015 focused on less well reported ethnic groups, as a sub-synthesisof a comprehensive metasynthesis on the impact of prostate cancer.
Results: Twenty-twopapers (15 studies) covering 11 ethnic groups were analysed. Nine studies considered black and minorityethnic groups in the UK and USA, with the remainder in Brazil, the PacificIslands, Israel, Turkey and Japan. We collected first and second order themesfrom the studies to develop conceptual third order themes with the following specificto the US and UK minority groups andPacific Islanders: A spiritual continuum: from the will of God to God ashelpmate; One more obstacle in the lifelong fight against adversity; Developingsensitive talk with a purpose (on disclosingthe cancer to informal networks in culturally appropriate ways). Themes from theother studies were similar to those in the overall metasynthesis.
Conclusions: Healthcare for prostate cancer should takeaccount of contextually and culturally specific coping mechanisms andpsychosocial factors in minority ethnic groups. More studies are needed indiverse ethnic groups.
Resumo:
Introduction Emerging evidence suggests that patient-reported outcome (PRO)-specific information may be omitted in trial protocols and that PRO results are poorly reported, limiting the use of PRO data to inform cancer care. This study aims to evaluate the standards of PRO-specific content in UK cancer trial protocols and their arising publications and to highlight examples of best-practice PRO protocol content and reporting where they occur. The objective of this study is to determine if these early findings are generalisable to UK cancer trials, and if so, how best we can bring about future improvements in clinical trials methodology to enhance the way PROs are assessed, managed and reported. Hypothesis: Trials in which the primary end point is based on a PRO will have more complete PRO protocol and publication components than trials in which PROs are secondary end points.
Methods and analysis Completed National Institute for Health Research (NIHR) Portfolio Cancer clinical trials (all cancer specialities/age-groups) will be included if they contain a primary/secondary PRO end point. The NIHR portfolio includes cancer trials, supported by a range of funders, adjudged as high-quality clinical research studies. The sample will be drawn from studies completed between 31 December 2000 and 1 March 2014 (n=1141) to allow sufficient time for completion of the final trial report and publication. Two reviewers will then review the protocols and arising publications of included trials to: (1) determine the completeness of their PRO-specific protocol content; (2) determine the proportion and completeness of PRO reporting in UK Cancer trials and (3) model factors associated with PRO protocol and reporting completeness and with PRO reporting proportion.
Ethics and dissemination The study was approved by the ethics committee at University of Birmingham (ERN_15-0311). Trial findings will be disseminated via presentations at local, national and international conferences, peer-reviewed journals and social media including the CPROR twitter account and UOB departmental website (http://www.birmingham.ac.uk/cpro0r).
Resumo:
Objectives: To summarise black and minority ethnic (BME) patients' and partners
experiences of prostate cancer (PCa) by examining the findings of existing qualitative studies
Methods:
We undertook a systematic metasynthesis of qualitative studies using a modified version of
Noblit and Hare's 'meta-ethnography' approach, with a 2000-2015 search of seven databases.
Results: Thirteen studies of men from US and UK BME groups were included. We explored
constructs with BME-specific features. Healthcare provider relationships, formation of a
spiritual alliance with God (which enhanced the participants’ feeling of empowerment and
ability to cope with the cancer) and living on for others (generally to increase cancer
awareness), often connected to spiritual regrowth, were the three constructs most commonly
reported. A magnified effect from erectile dysfunction was also common. Initially this
affected men’s disclosure to others about their cancer and their sexual problems, but
eventually men responded by shifting their conceptualisations of masculinity to sustain self
and social identities. There was also evidence of inequality resulting from financial
constraints and adversity that necessitated resilience in coping.
Conclusions: The prostate cancer experience of BME men and their partners is affected by a
complex intersection of ethnicity with other factors. Healthcare services should acknowledge
this. If providers recognise the men’s felt masculinities, social identities and spiritual beliefs
and their shifting nature, services could be improved, with community as well as individual
benefits. More studies are needed in diverse ethnic groups
Resumo:
hrsg. von Georg Christian Ziller
Resumo:
Les macrolactones sont des squelettes structuraux importants dans de nombreuses sphères de l’industrie chimique, en particulier dans les marchés pharmaceutiques et cosmétiques. Toutefois, la stratégie traditionnelle pour la préparation de macrolactones demeure incommode en requérant notamment l’ajout (super)stœchiométrique d’agents activateurs. Conséquemment, des quantités stœchiométriques de sous-produits sont générées; ils sont souvent toxiques, dommageables pour l’environnement et nécessitent des méthodes de purification fastidieuses afin de les éliminer. La présente thèse décrit le développement d’une macrolactonisation efficace catalysée au hafnium directement à partir de précurseurs portant un acide carboxylique et un alcool primaire, ne générant que de l’eau comme sous-produit et ne nécessitant pas de techniques d’addition lente et/ou azéotropique. Le protocole a également été adapté à la synthèse directe de macrodiolides à partir de mélanges équimolaires de diols et de diacides carboxyliques et à la synthèse de dimères tête-à-queue de seco acides. Des muscs macrocycliques ainsi que des macrolactones pertinentes à la chimie médicinale ont pu être synthétisés avec l’approche développée. Un protocole pour l’estérification directe catalysée au hafnium entre des acides carboxyliques et des alcools primaires a aussi été développé. Différentes méthodes pour la macrolactonisation catalytique directe entre des alcools secondaires et des acides carboxyliques ont été étudiées. En outre, la stratégie de séparation de phase en macrocyclisation en débit continu a été appliquée lors de la synthèse totale formelle de la macrolactone ivorenolide A. Les étapes-clés de la synthèse incluent une macrocyclisation par le couplage d’alcynes de Glaser-Hay et une réaction de métathèse d’alcènes Z-sélective.
Resumo:
La profession enseignante implique nécessairement une relation entre des personnes : son objet principal étant un ensemble de sujets dont on vise le développement; son outil privilégié, un rapport humain d'aide et de médiation. Cet état de fait nous amène à nous questionner sur la dimension éthique présente dans la relation éducative. Plus précisément, notre recherche vise une clarification et une meilleure compréhension de cette dimension de la pratique pédagogique. Pour atteindre cet objectif, en nous appuyant sur une méthodologie de type qualitatif, nous avons recueilli, à l'aide d'entrevues semi-directives, les témoignages de dix enseignantes et enseignants du secondaire en rapport avec la dimension éthique de leur pratique quotidienne. L'analyse de ce matériel a été réalisée suivant les procédures et les techniques d'analyse d'abord mises de l'avant par Glaser et Strauss en 1967, puis reprises et enrichies plus récemment par Strauss et Corbin (1990) et Paillé (1994) : la méthode d'analyse par théorisation ancrée. Pour l'essentiel, nos résultats mettent en évidence la pensée et la pratique pédagogique d'enseignantes et d'enseignants dont la dimension éthique se traduit, non pas uniquement dans la relation maître-élève, mais à travers l'ensemble des relations professionnelles entretenues avec diverses instances ; la société, l'institution scolaire et les élèves. D'une part, il apparaît que la principale source régissant les décisions éthiques de l'enseignant s'avère la personne même de l'enseignant, c'est-à-dire ses valeurs et ses représentations personnelles. D'autre part, il ressort que, dès l'entrée dans la profession, les valeurs et les représentations personnelles de l'enseignant sont confrontées à celles de la société, de l'institution, des élèves. En fait, l'enseignant se trouve partagé entre plusieurs forces : les pressions des parents, de la société, les attentes de l'institution scolaire, de la direction, des collègues, les demandes des élèves et enfin, ses attentes personnelles, son désir individuel. En somme, si le concept d'éthique renvoie à trois composantes de l'agir humain, soit les conduites, les valeurs et les représentations (Legault, 1993); en éducation, il semble que les conduites, les valeurs et les représentations de l'enseignant sont continuellement façonnées à travers les relations qu'il vit avec les différents partenaires de la relation éducative. Dans cette étude, il se dégage que la dimension éthique dans la relation éducative se caractérise principalement par un processus de négociation : négociation du rôle social, négociation de la pratique pédagogique et négociation de la relation avec les élèves. À notre avis, il s'agit bien d'une négociation et plus précisément d'une négociation éthique latente à travers laquelle l'enseignant, plus ou moins consciemment, cherche à trouver un accord, un terrain d'entente, une conciliation entre ses valeurs, ses représentations initiales, ses attentes et celles qu'il perçoit de la société, de l'institution scolaire et de ses élèves.
Resumo:
Objetivou-se compreender a possibilidade de o ecossistema domiciliar de pais portadores de morbidades cardiovasculares propiciar atitudes e comportamentos que corroborem para manifestações análogas na saúde dos filhos que convivem neste ambiente, e compreender como o cuidado de enfermagem/saúde com ações interativas de promoção de saúde domiciliar seja capaz de dissipar estas atitudes e comportamentos nos filhos. Para o conhecimento, a compreensão, interação do ecossistema domiciliar e o modo de viver dos filhos de pai/mãe cardiopata como um processo dinâmico e inter-relacional, foi utilizada a abordagem sistêmica de Ilya Prigogine, com enfoque nos princípios ecossistêmicos. O percurso metodológico se baseou na Teoria Fundamentada nos Dados, que, de maneira sistemática, interativa e criativa, possibilitou o desenvolvimento da teoria formal: Compreendendo possibilidades Interativas de orientações da Enfermagem/Saúde no Ecossistema domiciliar dos filhos de pais cardiopatas para mudanças de comportamentos e atitudes. Esta é uma teoria fidedigna e fundamentada nos dados da pesquisa, que culminou com o desenvolvimento de suas categorias. A coleta e análise dos dados foram realizadas conforme a preconização da teoria, de forma comparativa e constante, seguindo os passos: codificação inicial ou aberta, categorização e codificação teórica, sendo utilizada também a observação. Totalizou a amostra teórica onze filhos de pai/mãe cardiopatas, entrevistados no Brasil e em Portugal, onde, neste último, foi realizado um Intercâmbio de Doutorado com a finalidade de potencializar os conceitos e direcionar novas possibilidades aos fenômenos apresentados. Como processo de análise dos dados e agrupamento das categorias utilizou-se o modelo paradigmático desenvolvido por Glaser (1968) correspondente à família de códigos 6 Cs e de códigos interativos. A teoria formal emergiu a partir de dois fenômenos e suas categorias. O fenômeno, Conhecendo o ecossistema domiciliar de filhos de pai/mãe cardiopata na perspectiva das orientações da enfermagem/saúde, englobou as categorias: Demonstrando conhecimento sobre aspectos que possibilitam o infarto (condição causal); Associando a vivência da doença e orientações às modificações no modo de viver (condição estratégica); Relatando possibilidades de orientações para os filhos de pai/mãe cardiopata (condição de contingência); Reconhecendo a importância das orientações para o viver melhor (condição de consequência). Em relação ao fenômeno Conhecendo comportamentos e atitudes de filhos de pai/mãe cardiopata, as categorias elencadas foram: Descrevendo atitudes e comportamentos do(a) filho(a) antes da doença do(a) pai/mãe (condição causal); Relatando comportamentos e atitudes dos filhos pós-doença do(a) pai/mãe (condição estratégica); Reconhecendo a importância da mudança de comportamentos e atitudes para um viver saudável (condição de consequência). A teoria que emergiu por meio dos dados deste trabalho fundamenta a importância das ações de enfermagem/saúde para a promoção da saúde, confirma a tese proposta no projeto de pesquisa e permite concluir que a perspectiva ecossistêmica direciona para o conhecimento, a compreensão e discussão, evidentemente, mais amplos, dos contextos apresentados, pelas suas dinâmicas e interatividades.
Resumo:
Les macrolactones sont des squelettes structuraux importants dans de nombreuses sphères de l’industrie chimique, en particulier dans les marchés pharmaceutiques et cosmétiques. Toutefois, la stratégie traditionnelle pour la préparation de macrolactones demeure incommode en requérant notamment l’ajout (super)stœchiométrique d’agents activateurs. Conséquemment, des quantités stœchiométriques de sous-produits sont générées; ils sont souvent toxiques, dommageables pour l’environnement et nécessitent des méthodes de purification fastidieuses afin de les éliminer. La présente thèse décrit le développement d’une macrolactonisation efficace catalysée au hafnium directement à partir de précurseurs portant un acide carboxylique et un alcool primaire, ne générant que de l’eau comme sous-produit et ne nécessitant pas de techniques d’addition lente et/ou azéotropique. Le protocole a également été adapté à la synthèse directe de macrodiolides à partir de mélanges équimolaires de diols et de diacides carboxyliques et à la synthèse de dimères tête-à-queue de seco acides. Des muscs macrocycliques ainsi que des macrolactones pertinentes à la chimie médicinale ont pu être synthétisés avec l’approche développée. Un protocole pour l’estérification directe catalysée au hafnium entre des acides carboxyliques et des alcools primaires a aussi été développé. Différentes méthodes pour la macrolactonisation catalytique directe entre des alcools secondaires et des acides carboxyliques ont été étudiées. En outre, la stratégie de séparation de phase en macrocyclisation en débit continu a été appliquée lors de la synthèse totale formelle de la macrolactone ivorenolide A. Les étapes-clés de la synthèse incluent une macrocyclisation par le couplage d’alcynes de Glaser-Hay et une réaction de métathèse d’alcènes Z-sélective.
Resumo:
This project proposes a feminist intervention in how affect and publics are theorized in public relations research. Drawing from extant literature, I argue that public relations theories of affect and publics have been apolitical and lack depth and context (Leitch & Motion, 2010a). Using the context of the online childhood vaccine debate, I illustrate several theories and concepts of the new feminist affective turn, as well as postmodern theories of affect, relevant to public relations research: (a) Public Feelings, “ugly” feelings, agency, and community (Cvetkovich, 2012; Ngai, 2007); (b) passionate politics (Mouffe, 2014); (c) postmodern assemblages, biopower, and body politics (Deleuze & Guattari, 1988; Foucault, 1984); (d) affective facts and logics of future threats (Massumi, 2010); and (e) affective ethics (Bertleson & Murphie, 2010). Scholarship in the areas of public relations, risk, feminist and postmodern affect theory, and the vaccine debate provided theoretical grounding for this project. My research questions asked: How is feminist affect theory embodied by mothers in the vaccine debate? How do mothers understand risks as affective facts in the vaccine debate (if at all)? What affective logics are used by mothers in the vaccine debate (if any)? And, What are sources of knowledge for mothers in the vaccine debate? Multi-sited online ethnographic methods were used to explore how feminist affect theory contributes to public relations research, including 29 one-on-one in-depth interviews with mothers of young children and participant observation of 15 online discussions about vaccines on parenting websites BabyCenter.com, TheBump.com, and WhatToExpect.com. I used snowball sampling to recruit interview participants and grounded theory (Glaser & Strauss, 1967) to analyze interview and online data. Results show that feminist affect theory contributes to theoretical and practical knowledge in public relations by politicizing and contextualizing understandings of publics and elucidating how affective facts and logics inform publics’ knowledge and choices, specifically in the context of risk. I also found evidence of suppression of dissent (Martin, 2015) and academic bias in vaccine debate research, which resulted in cultures of silence. Further areas of study included how specific contexts such as motherhood and issues of privilege and access affect publics’ experiences, knowledges, and choices.