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Study Analyses (study + analysis)
Kinds of Study Analyses Selected AbstractsConstraint Respecters, Constraint Challengers, and Crisis Decision Making in Democracies: A Case Study Analysis of Kennedy versus ReaganPOLITICAL PSYCHOLOGY, Issue 6 2005Jonathan W. Keller Models linking domestic political constraints (audience costs, pressures for the diversionary use of force, democratic norms and institutions) to foreign policy behavior generally assume that leaders simply recognize and submit to constraints in their domestic environments,a strong structural argument. In contrast, research on political leadership and decision making suggests that leaders vary systematically in their orientations toward constraints: "constraint respecters" tend to internalize potential constraints, while "constraint challengers" are more likely to view them as obstacles to be overcome. This article develops an integrative theoretical framework that explicitly incorporates these insights and applies them to the domain of crisis decision making. After identifying leaders' expected orientations toward constraints via at-a-distance methods, the plausibility of hypotheses derived from this framework is examined through case studies that explore the decision-making processes employed by President Kennedy (a "constraint respecter") and President Reagan (a "constraint challenger") during international crises. The results suggest that there is important variation in how leaders perceive and respond to domestic constraints, and that leadership style is one,though not the only,important source of this variation. [source] Role of neuronal nitric oxide synthase in response to hypertonic saline loading in ratsACTA PHYSIOLOGICA, Issue 4 2004R. Wangensteen Abstract Aims:, This study analyses the influence of neuronal nitric oxide synthase (nNOS) blockade with 7-nitroindazole (7NI) on the haemodynamic and renal response to a hypertonic saline load (HSL). We also evaluated the effects of non-specific NOS inhibitor N, -nitro- l -arginine methyl ester (l -NAME). Methods:, The following groups were used: controls, rats treated with 7NI at 0.5 or 5 mg kg,1, and rats treated with l -NAME at 0.5 or 5 mg kg,1. A further five groups received an isotonic saline load (ISL). Results:, Mean arterial pressure (MAP) was significantly increased in control rats after HSL. MAP was further increased in both 7NI-treated groups, and the l -NAME groups showed marked dose-related pressor responses. During ISL, MAP was only significantly increased in the group treated with 5 mg kg,1 of l -NAME. The pressure,natriuresis relationship during the experimental period after the HSL was reduced in the 7NI group treated with 5 mg kg,1 and severely attenuated in both l -NAME groups. The increase in plasma sodium was significantly greater after the HSL in both 7NI groups and both l -NAME groups compared with controls. Conclusions:, The present results suggest that nNOS and other NOS isozymes play a counter-regulatory role in the pressor response to HSL. Moreover, the blockade of nNOS with the higher dose of 7NI produces a blunted pressure,natriuresis relationship in response to the HSL. Finally, it is concluded that nNOS participates in the homeostatic cardiovascular and renal response to hypertonic saline loading by attenuating the blood pressure increase and hypernatremia, and facilitating natriuresis. [source] An Analysis of Independent Power Projects in Africa: Understanding Development and Investment OutcomesDEVELOPMENT POLICY REVIEW, Issue 3 2008Katharine Nawaal Gratwick This study analyses the outcomes of African independent power projects (IPPs). Nearly 40 such projects have taken root to date, concentrated mainly in 8 countries. More balanced outcomes are perceived in North Africa than across sub-Saharan Africa (SSA), for reasons linked to more attractive investment environments, more robust policy frameworks, fewer planning mishaps, abundant low-cost fuel and secure fuel contracts as well as credit enhancements such as sovereign guarantees. With few exceptions, these elements were absent in SSA, where the role of development finance institutions and the strategic management of projects seem more important. [source] Regional and local influence of grazing activity on the diversity of a semi-arid dung beetle communityDIVERSITY AND DISTRIBUTIONS, Issue 1 2006Jorge M. Lobo ABSTRACT This study analyses the effect of resource availability (i.e. sheep dung) on dung beetle communities in an arid region of Central Spain, both at regional and at local scales. A total of 18 sites within 600 km2 were sampled for the regional analysis and 16 sites within the 30 km2 of an Iberian municipality were sampled for the local analysis. Spatial and environmental characteristics of sampling sites were also compiled at both scales, including measures of grazing activity (livestock density at regional scale, and two counts of rabbit and sheep dung at local scale). At a regional scale, any environmental or spatial variable can help to explain the variation in abundance. However, species richness was related to summer precipitation and composition was related to elevation. At local scale, abundance is not significantly related to any of the environmental variables, but species richness was related to the local amount of sheep dung (27% of variance). The amount of dung in a 2-km buffer around the site accounts for 27,32% of variance in abundance and 60,65% of variance in species richness. The presence of the flock with the highest sheep density explains 53% of abundance variability and 73% of species richness variance. A cluster analysis of localities identified two main groups, one characterized by a lower abundance and species richness that can be considered a nested subsample of the species-rich group. The mean and maximum amount of sheep dung in the sites separated by less than 2 km are the only significant explanatory variables able to discriminate both groups. These results suggest that grazing intensity (and the associated increase in the amount of trophic resources) is a key factor in determining local variation in the diversity and composition of dung beetle assemblages. However, dung beetle assemblages are not spatially independent at the analysed resolution, and the amount of dung in the surroundings seems to be more important for locally collected species than the dung effectively found in the site. Although differences in the availability and quantity of trophic resources among nearby sites could be affecting the population dynamics and dispersion of dung beetles within a locality, sites with larger populations, and greater species numbers would not be able to exercise enough influence as to bring about a complete local faunistic homogenization. [source] Between ideology and social representations: Four theses plus (a new) one on the relevance and the meaning of the political left and rightEUROPEAN JOURNAL OF POLITICAL RESEARCH, Issue 5 2009PIERGIORGIO CORBETTA This study analyses the relevance and the meaning given by Italians to the political labels ,left' and ,right' between 1975 and 2006. Based on responses to the open-ended question ,What do you mean by "left/right" in politics?', the study compares five alternative hypotheses on the meaning of the left-right axis and show that, despite the alleged end of ideologies, the relevance of the axis has increased over time. A core of abstract meanings persists throughout the thirty-year period considered. As the importance of abstract meanings has increased over time, reference to more concrete contents (such as ,parties' and ,leaders') has decreased. The findings thus support the hypothesis that the left-right axis has the functional characteristics of social representations. [source] The role of oceanographic conditions and plankton availability in larval fish assemblages off the Catalan coast (NW Mediterranean)FISHERIES OCEANOGRAPHY, Issue 3 2010M. PILAR OLIVAR Abstract In the northwestern Mediterranean, most fish species reproduce in early summer and fewer in the autumn mixing period. This study analyses and compares larval fish assemblages (LFA) in both seasons, and is the first attempt to characterize LFA structure for the autumn period. We analyze horizontal and vertical distribution of fish larvae and the micro- and mesozooplankton biomass and abundance of the main zooplankton groups. The oceanographic situation was analyzed through the study of data from CTD, N,-Shuttle and ADCP surveys. LFA were determined by ordination analyses based on larval abundance, and the relationships between larval assemblages and environmental variables were investigated through canonical correspondence analysis. The importance of some hydrographic variables (temperature, salinity and stability of the water column), current fields (along-shelf and across-shelf transport) and the abundance of zooplankton are discussed as important factors shaping the structure of larval assemblages. In early summer, LFA were mainly structured by a combination of bathymetry and trophic components, although sea surface temperature also played a role in shaping the horizontal larval distributions. In autumn, trophic variables were the main factors influencing the shelf-dwelling species assemblage. Larvae of oceanic species, on the other hand, were not related to trophic variables but were more affected by current fields. [source] Effect of diversification on capital structureACCOUNTING & FINANCE, Issue 4 2009Maurizio La Rocca G30; G32 Abstract Previous empirical financial studies have paid little attention to the role of diversification strategy on financial choices. This study analyses the financing strategies of multibusiness firms, suggesting the relevance of sorting the diversification phenomena into its related and unrelated components. The implications of our findings are important because they explain earlier contradictory results on capital-structure determinants and offer an explanation of how the degree of product specialization/diversification and the direction of diversification (related or unrelated) translate into different corporate financial behaviours. [source] Climatic controls on the carbon and water balances of a boreal aspen forest, 1994,2003GLOBAL CHANGE BIOLOGY, Issue 3 2007ALAN G. BARR Abstract The carbon and water budgets of boreal and temperate broadleaf forests are sensitive to interannual climatic variability and are likely to respond to climate change. This study analyses 9 years of eddy-covariance data from the Boreal Ecosystem Research and Monitoring Sites (BERMS) Southern Old Aspen site in central Saskatchewan, Canada and characterizes the primary climatic controls on evapotranspiration, net ecosystem production (FNEP), gross ecosystem photosynthesis (P) and ecosystem respiration (R). The study period was dominated by two climatic extremes: extreme warm and cool springs, which produced marked contrasts in the canopy duration, and a severe, 3-year drought. Annual FNEP varied among years from 55 to 367 g C m,2 (mean 172, SD 94). Interannual variability in FNEP was controlled primarily by factors that affected the R/P ratio, which varied between 0.74 and 0.96 (mean 0.87, SD 0.06). Canopy duration enhanced P and FNEP with no apparent effect on R. The fraction of annual photosynthetically active radiation (PAR) that was absorbed by the canopy foliage varied from 38% in late leaf-emergence years to 51% in early leaf-emergence years. Photosynthetic light-use efficiency (mean 0.0275, SD 0.026 mol C mol,1 photons) was relatively constant during nondrought years but declined with drought intensity to a minimum of 0.0228 mol C mol,1 photons during the most severe drought year. The impact of drought on FNEP varied with drought intensity. Years of mild-to-moderate drought suppressed R while having little effect on P, so that FNEP was enhanced. Years of severe drought suppressed both R and P, causing either little change or a subtle reduction in FNEP. The analysis produced new insights into the dominance of canopy duration as the most important biophysical control on FNEP. The results suggested a simple conceptual model for annual FNEP in boreal deciduous forests. When water is not limiting, annual P is controlled by canopy duration via its influence on absorbed PAR at constant light-use efficiency. Water stress suppresses P, by reducing light-use efficiency, and R, by limiting growth and/or suppressing microbial respiration. The high photosynthetic light-use efficiency showed this site to be a highly productive boreal deciduous forest, with properties similar to many temperate deciduous forests. [source] Projecting future N2O emissions from agricultural soils in BelgiumGLOBAL CHANGE BIOLOGY, Issue 1 2007CAROLINE ROELANDT Abstract This study analyses the spatial and temporal variability of N2O emissions from the agricultural soils of Belgium. Annual N2O emission rates are estimated with two statistical models, MCROPS and MGRASS, which take account of the impact of changes in land use, climate, and nitrogen-fertilization rate. The models are used to simulate the temporal trend of N2O emissions between 1990 and 2050 for a 10, latitude and longitude grid. The results are also aggregated to the regional and national scale to facilitate comparison with other studies and national inventories. Changes in climate and land use are derived from the quantitative scenarios developed by the ATEAM project based on the Intergovernmental Panel on Climate Change-Special Report on Emissions Scenarios (IPCC-SRES) storylines. The average N2O flux for Belgium was estimated to be 8.6 × 106 kg N2O-N yr,1 (STD = 2.1 × 106 kg N2O-N yr,1) for the period 1990,2000. Fluxes estimated for a single year (1996) give a reasonable agreement with published results at the national and regional scales for the same year. The scenario-based simulations of future N2O emissions show the strong influence of land-use change. The scenarios A1FI, B1 and B2 produce similar results between 2001 and 2050 with a national emission rate in 2050 of 11.9 × 106 kg N2O-N yr,1. The A2 scenario, however, is very sensitive to the reduction in agricultural land areas (,14% compared with the 1990 baseline), which results in a reduced emission rate in 2050 of 8.3 × 106 kg N2O-N yr,1. Neither the climatic change scenarios nor the reduction in nitrogen fertilization rate could explain these results leading to the conclusion that N2O emissions from Belgian agricultural soils will be more markedly affected by changes in agricultural land areas. [source] Transnational politics at the edges of sovereignty: social movements, crossings and the state at the US,Mexico borderGLOBAL NETWORKS, Issue 4 2001Hilary Cunningham This article documents the history of border crossings among a group of social movement activists located in southern Arizona. By comparing two types of US,Mexico border crossings separated ten years apart, the article explores how political groups become ,transnationalized' and in relation to what kinds of ,states'. By contrasting the shift from a state-centric movement to a transnational coalition, the case study analyses why, in the later period, political activists were no longer able to identify the same kind of state. In chronicling the disappearance of one kind of state formation and the emergence of a transnational one, this research argues that globalization,rather than simply reflecting a decline of the nation state,is a process entailing not only new forms of transnational political activism but also new forms of the state. [source] Ownership,efficiency relationship and the measurement selection biasACCOUNTING & FINANCE, Issue 5 2006Richard Bozec G32; H11; L33 Abstract This study analyses the bias in the selection of performance measures for ownership comparisons, which depends on the specific objectives of the firms being compared. Our sample includes 13 Canadian state-owned enterprises (SOEs), commercialized and/or privatized between 1976 and 2001. To replace profitability measures and reduce biases, we propose the use of technical efficiency, which provides for SOEs' specificities. Overall, the results clearly support the view that privatization has no impact on a firm's technical efficiency, the only positive impact being related to a change in the objectives of the firm while using profitability measures. The results of this study raise the question of the validity of comparisons between SOEs and private firms when using profitability indicators. The potential bias in favour of the private firms contributes to a misleading image of the public sector being presented as inferior and inefficient. The use of more sophisticated measures, such as data envelopment analysis, suggests conflicting conclusions. This study also casts doubt on the legitimacy of the privatization program initiated around the world and more specifically in Canada in which the main justification for such a reform has been to increase the performance of SOEs. [source] Assessment of climate-change impacts on alpine discharge regimes with climate model uncertaintyHYDROLOGICAL PROCESSES, Issue 10 2006Pascal Horton Abstract This study analyses the uncertainty induced by the use of different state-of-the-art climate models on the prediction of climate-change impacts on the runoff regimes of 11 mountainous catchments in the Swiss Alps having current proportions of glacier cover between 0 and 50%. The climate-change scenarios analysed are the result of 19 regional climate model (RCM) runs obtained for the period 2070,2099 based on two different greenhouse-gas emission scenarios (the A2 and B2 scenarios defined by the Intergovernmental Panel on Climate Change) and on three different coupled atmosphere-ocean general circulation models (AOGCMs), namely HadCM3, ECHAM4/OPYC3 and ARPEGE/OPA. The hydrological response of the study catchments to the climate scenarios is simulated through a conceptual reservoir-based precipitation-runoff transformation model called GSM-SOCONT. For the glacierized catchments, the glacier surface corresponding to these future scenarios is updated through a conceptual glacier surface evolution model. The results obtained show that all climate-change scenarios induce, in all catchments, an earlier start of the snowmelt period, leading to a shift of the hydrological regimes and of the maximum monthly discharges. The mean annual runoff decreases significantly in most cases. For the glacierized catchments, the simulated regime modifications are mainly due to an increase of the mean temperature and the corresponding impacts on the snow accumulation and melting processes. The hydrological regime of the catchments located at lower altitudes is more strongly affected by the changes of the seasonal precipitation. For a given emission scenario, the simulated regime modifications of all catchments are highly variable for the different RCM runs. This variability is induced by the driving AOGCM, but also in large part by the inter-RCM variability. The differences between the different RCM runs are so important that the predicted climate-change impacts for the two emission scenarios A2 and B2 are overlapping. Copyright © 2006 John Wiley & Sons, Ltd. [source] Refrigerated transport and environmentINTERNATIONAL JOURNAL OF ENERGY RESEARCH, Issue 10 2004S. K. Chatzidakis Abstract The regulations and the technical specifications for international carriage of perishable foodstuffs and for the special equipment to be used for such carriage are prescribed in the international ATP Agreement. The refrigerated special equipment has to be checked for quality conformity with the ATP standards, at officially designated national ATP test stations. Some of the alternatively proposed ATP testing procedures for checking of the in-service and second-hand refrigerated transport equipment are incomplete and can give incorrect test results. The consequence is increase in energy consumption and an increased environmental pollution through CO2 emission. This study analyses the ATP testing procedures for in-service equipment, investigates the impact on the environmental and gives some proposals for improvement. Copyright © 2004 John Wiley & Sons, Ltd. [source] Power sector development in India with CO2 emission targets: Effects of regional grid integration and the role of clean technologiesINTERNATIONAL JOURNAL OF ENERGY RESEARCH, Issue 7 2003A. K. Srivastava Abstract The power sector in India at present comprises of five separate regional electricity grids having practically no integrated operation in between them. This study analyses the utility planning, environmental and economical effects of integrated power sector development at the national level in which the regional electric grids are developed and operated as one integrated system. It also examines the effects of selected CO2 emission reduction targets in the power sector and the role of renewable power generation technologies in India. The study shows that the integrated development and operation of the power system at the national level would reduce the total cost including fuel cost by 4912 million $, total capacity addition by 2784 MW, while the emission of CO2, SO2 and NOx would be reduced by 231.6 (1.9%), 0.8 (0.9%), 0.4 (1.2%) million tons, respectively, during the planning horizon. Furthermore, the study shows that the expected unserved energy, one of the indices of generation system reliability, would decrease to 26 GWh under integrated national power system from 5158 GWh. As different levels of CO2 emission reduction targets were imposed, there is a switching of generation from conventional coal plants to gas fired plants, clean coal technologies and nuclear based plants. As a result the capacity expansion cost has increased. It was found that wind power plant is most attractive and economical in the Indian perspective among the renewable options considered (Solar, wind and biomass). Copyright © 2003 John Wiley & Sons, Ltd. [source] The persistence in hedge fund performance: extended analysisINTERNATIONAL JOURNAL OF FINANCE & ECONOMICS, Issue 3 2009Daniel P. J. Capocci Abstract This study analyses and decomposes hedge fund returns to detect a systematic hedge fund selection criterion that enables investors to consistently and significantly outperform classical equities and bond indices over a full market cycle and over bullish and bearish market periods. The methodology used is adapted from Capocci and Hübner. The measures used include the returns, the volatility, the Sharpe score, the alpha, the beta, the skewness and the kurtosis. Measures incorporating the volatility display very strong ability to assist investors in creating alpha and consistently and significantly outperform classical indices. A sub-period analysis is performed to check the robustness of the results. Copyright © 2008 John Wiley & Sons, Ltd. [source] Customer-oriented thinking within the Finnish Lutheran ChurchINTERNATIONAL JOURNAL OF NONPROFIT & VOLUNTARY SECTOR MARKETING, Issue 4 2000Article first published online: 12 JUL 200, Pirjo Vuokko This study analyses what preconditions are necessary for customer orientation within the church, and to what extent these preconditions are in place in the case of the Finnish Lutheran Church. A proper intelligence base and organisational preconditions are needed. Within the Church, there is mostly a positive attitude towards customer orientation but defects exist, for example in the intelligence base system, the coordination of congregational operations, and in cooperation with laymen. Copyright © 2000 Henry Stewart Publications. [source] Dynamic fade restoration in Ka-band satellite systemsINTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS AND NETWORKING, Issue 4 2002A. Paraboni Atmospheric precipitation can seriously affect the propagation of centimeter and millimeter electromagnetic waves. As a consequence, in some applications, it is necessary to make use of a fade countermeasure technique in order to satisfy the system availability and quality requirements. This study analyses the performance of a satellite-based system in geo-stationary orbit operating at 20 GHz, dynamically assigning the antenna directivity pattern to counteract tropospheric attenuation. The on-board power is spatially distributed over the covered region to minimize, at any time, the number of users undergoing outage because of the tropospheric attenuation. Both the aspects of broadcasting and telecommunication services are addressed. The reflector antenna of the system is supposed to be illuminated by a cluster of feeds driven by a set of excitation coefficients, continuously modified and optimized according to the meteorological information derived by processing METEOSAT satellite data and ECMWF (European Centre for Medium-Range Weather Forecasts) data. Copyright © 2002 John Wiley & Sons, Ltd. [source] Tourist satisfaction and beyond: tourist migrants in MallorcaINTERNATIONAL JOURNAL OF TOURISM RESEARCH, Issue 2 2008David Bowen Abstract This exploratory study analyses the role of tourist experience, especially tourist satisfaction, in subsequent migration from the UK to the municipality of Calviá, Mallorca, Spain. An overview and commentary is provided of theory relating to both tourist satisfaction and migration. Through a series of elite interviews, in-depth micro-studies and a questionnaire, which provides a small quantitative component, it is established that the motivation given by tourist satisfaction can be recognised as a key catalyst for migration. Classic migration motivations cannot be entirely discounted, and the migration decisions are multi-stage through time. But tourist satisfaction,and particularly the two satisfaction components of performance and emotion,is especially relevant in the micro-perspective of migration decision-making. Copyright © 2008 John Wiley & Sons, Ltd. [source] The role of the instructor in business games: a comparison of face-to-face and online instructionINTERNATIONAL JOURNAL OF TRAINING AND DEVELOPMENT, Issue 3 2010Ana Beatriz Hernández This study analyses the role of the instructor in the e-learning process fostered by a business game. To achieve this objective, a comparative analysis was conducted with two groups of students regarding their perceptions of the instructor's role in a business game. The first group was composed of 33 participants and facilitated by an instructor in a face-to-face process. The second group was composed of 23 participants and facilitated by the same instructor online. Our results indicate that the students' assessment of the role of the instructor is clearly different in both cases: the face-to-face group valued the relevance of the instructor's role in the learning process more highly than the online group. Our findings also highlight the importance of the instructor's role in improving the students' learning experience and suggest that extra efforts by online instructors are needed to maximize the e-learning process through business games in management training. [source] Ethnic Communities and Ethnic Organizations Reconsidered: South-East Asians and Eastern Europeans in ChicagoINTERNATIONAL MIGRATION, Issue 2 2002Lorraine Majka A major debate continues about whether immigrants receive benefits by virtue of their attachment to ethnic communities and ethnic organizations. On one side of the controversy, a large body of literature suggests that the ethnic community, which often contains resources that promote immigrants' adaptation and assimilation, actually hinders adaptation because the resources of mainstream institutions are less accessible to immigrants (often because they are also minorities). On the opposite side of the argument, critics contend that the ethnic solidarity school emphasizes the positive effects of ethnic communities and ethnic organizations on immigrant populations, while ignoring many of the negative consequences of migrants' involvement in ethnic groups and ethnic institutions. The purpose of this article is to reconsider whether ethnic communities and ethnic institutions facilitate immigrants' socio-economic adaptation. Specifically, the study analyses the impact of ethnic organizations on public assistance utilization among South-East Asian and Eastern European refugees in the Chicago metropolitan area in the late 1980s. The paper proceeds in five stages. As a background to the overall study, the literature on ethnic communities and ethnic organizations is reviewed. This is followed by a discussion of the development of mutual assistance associations (MAAs) in the US. Third is a concise description of the data and methods. Fourth is a presentation of the results. The article concludes with an assessment of the implications of the findings and suggestions for future research. [source] The Allocation of Power in the Enlarged ECB Governing Council: An Assessment of the ECB Rotation ModelJCMS: JOURNAL OF COMMON MARKET STUDIES, Issue 5 2006ANSGAR BELKE This study analyses the allocation of power in the Governing Council of the European Central Bank (ECB) as it enlarges to accommodate new members of the economic and monetary union. For this purpose, two classical power indices that have their origin in solutions to co-operative games are applied. First, an assessment is made of the effects of enlargement on the voting power of different subgroups of the Governing Council that arise in the wake of the continuous accession process. Second, a systematic comparison is carried out to the status quo rule (,one member, one vote') with respect to the voting power of the ECB Executive Board and to the representativeness of European monetary policy, along with the potential for its renationalization. [source] Is there a Difference?JOURNAL OF BUSINESS FINANCE & ACCOUNTING, Issue 1-2 2007The Performance Characteristics of SRI Equity Indices Abstract:, This study analyses whether stock indices that represent socially responsible investments (SRI) exhibit a different performance compared to conventional benchmark indices. In contrast to other studies, the analysis concentrates on SRI indices and not on investment funds. This has several advantages, since transaction costs of funds, the timing activities and the skill of the fund management do not have to be considered. A direct measure of the performance effects of SRI screens is therefore examined. The 29 SRI stock indices are analysed by single-equation models as well as by multi-equation systems that exploit the information in the cross-section. SRI stock indices do not exhibit a different level of risk-adjusted return than conventional benchmarks. But many SRI indices have a higher risk relative to the benchmarks. The findings are robust to the use of different benchmark indices and apply to all common types of SRI screening. [source] Bertha Harmer's 1922 textbook , The Principles and Practice of Nursing: clinical nursing from an historical perspectiveJOURNAL OF CLINICAL NURSING, Issue 19 2009Geertje Boschma Aims and objectives., This study analyses the origins of a widely used textbook of nursing, commonly utilised in North American Schools of Nursing since 1922, and eventually worldwide. A biography of its first author, Bertha Harmer, is also included. Background., Tracing central ideas of nursing throughout the various editions, the book provides a commentary on the cultural,historical context of nursing and reveals how nursing leaders conceptualised the day-to-day knowledge base nurses would need for their practice. Design and methods., Historical analysis. Results., The core nursing concept of ,human needs' was central to Harmer's work and thinking. Conclusions., Its continuous development by her and her later co-author, Virginia Henderson, reflected broader changes in nursing that were central to the construction of nursing as hospital-based care during the twentieth century. Relevance to clinical practice and conclusion., Renewal of nursing practice exists by the virtue of nurses' collective ability to question continuously and critically, the foundations of their practice. Historical analysis of core nursing concepts is one approach to further such critique. [source] Resprouting of the Mediterranean-type shrub Erica australis with modified lignotuber carbohydrate contentJOURNAL OF ECOLOGY, Issue 3 2003Alberto Cruz Summary 1The vigour of plant resprouting after fire may be driven by the amount of stored non-structural carbohydrates (NC). However, the extent to which NC reserves limit this response in woody plants has not been established. 2This study analyses the effects of modifying NC concentrations in the lignotuberous Mediterranean-type shrub Erica australis, on resprouting after experimental burning. A factorial experiment with two treatments (shade and burn) was carried out, with three levels per treatment. Plants were shaded (exposure to 100%, 50% or 20% of incident radiation for 1 year), following which they were clipped (control, no fire), or clipped and burned at one of two levels of severity. After this, they were allowed to resprout and grow for 2 years. 3Shading modified NC concentrations in the lignotuber, but not in the roots. Two years after burning, plants subjected to the greatest shading, which reduced their NC concentrations to 44% (sum of NC) or 19% (starch) of that of control plants, had suffered higher mortality after resprouting, had a significantly lower number of resprouts, of shorter length, and had produced lower biomass per plant than less shaded or unshaded plants. However, plants subjected to intermediate shade, which suffered a reduction in NC concentrations to 70% of that of control plants, did not differ in resprouting response from control plants. 4Burning caused more direct mortality, and a severe reduction in both number or biomass of resprouts, than just clipping. There were no significant shade × burning interaction effects. 5While reductions in NC may limit resprouting, such limitation may only occur when NC is reduced to much lower concentrations than caused by commonly experienced conditions. The role of NC reserves in limiting resprouting of lignotuberous, woody plants such as E. australis might therefore not be as important as is commonly assumed. [source] Quantitative evaluation of prostatectomy for benign prostatic hypertrophy under a national health insurance law: a multi-centre studyJOURNAL OF EVALUATION IN CLINICAL PRACTICE, Issue 1 2002D. Pilpel PhD Abstract Assessing regional variation between various medical centres in diagnostic and surgical processes is an approach aimed at evaluating the quality of care. This study analyses the differences between eight medical centres in Israel, where all citizens are covered by medical insurance, through the National Health Insurance Law (NHIL). The analysis refers to the diagnostic process, type of surgery and immediate post-surgical complications associated with prostatectomy for benign prostatic hypertrophy (BPH), which is the most frequent surgical procedure performed on men aged 50+. The study sample was comprized of 261 consecutive prostatectomy patients operated on in eight Israeli medical centres (MC), located in various parts of the country, between November 1996 and April 1997. Co-operation with participating directors of surgical wards was obtained after confidentiality of information had been assured. Surgeons in selected departments abstracted data routinely recorded in the patient's file and filled-out a standard one-page questionnaire. The following items were included: age, the presence of accompanying chronic diseases, preoperative tests, type of operation, and post-surgical complications. In the various MCs 32.6% of the patients underwent more than five preoperative tests ranging from 8.9% to 88.9% (<0.01). Assessment of kidney and bladder normality ranged from 75% to 100% (P < 0.01). The rate of patients whose prostatic symptoms (I-PSS) were assessed ranged from 0% to 79% (P < 0.01). There were also differences in severity of prostatism between the MCs, with severe symptoms ranging from 54.0% to 89.3% (P < 0.05), for type of operation performed (for ,open' prostatectomies, 35.4% to 68.0%, P < 0.01) and post-operative complications (19.0% to 41.6%, P = 0.07). After controlling for case-mix, type of operation was the most important predictor for post-surgical complications. MCs with low volume of surgeries had a higher rate of postoperative complications. We conclude that diagnostic and type of operation and post-surgical complications differed between various MCs. Participating surgeons were willing to fill out a one-page standard questionnaire from data routinely recorded in patients' files. [source] Distributive impacts of the food price crisis in the Andean regionJOURNAL OF INTERNATIONAL DEVELOPMENT, Issue 7 2010José Cuesta Abstract This study analyses the distributive consequences associated with the recent international food price crisis in the Andean region. The study explores the distributive repercussions of the crisis by means of a simple simulation exercise which isolates the direct and short-term effects of actual increases in food prices across the Andean region. The paper finds substantive and heterogeneous poverty impacts, ranging from two to six per cent points in the incidence of poverty. Results are found very sensitive to the net consumer (or producer) position of the household, and less so across other characteristics of the household. Copyright © 2009 John Wiley & Sons, Ltd. [source] The Performance Effects of Business Groups in RussiaJOURNAL OF MANAGEMENT STUDIES, Issue 3 2009Saul Estrin abstract This study analyses the impact of business group affiliation on firm performance during a time when business groups are newly formed, when the economic and institutional environment is changing, and when group survival is uncertain. Based primarily on a transaction cost approach, we develop two hypotheses, concerning profitability and risk sharing (redistribution) respectively. The positive profitability hypothesis proposes that company affiliation with a business group directly and positively affects the profitability of each affiliate. A positive direct effect emerges when each affiliate benefits from access to group resources. The redistribution hypothesis considers the simultaneous possibility that inter-affiliate transfers of resources through internal markets are designed to redistribute profits among group members. We argue that variance-reducing redistribution from strong to weak group members is linked to group survival in times of institutional change. Our empirical approach focuses on testing these two linked hypotheses (and their alternatives) using a relatively large, contemporary and time varying database of Russian firms. We also develop a framework that distinguishes among the four possible empirical outcomes associated with the hypotheses. Our results provide unambiguous support for the case where the impact of group membership on profitability is positive and redistribution is variance-reducing. We term this outcome Business Group Robustness, and contrast it with other possible empirical outcomes. [source] Co-Authorship in Management and Organizational Studies: An Empirical and Network Analysis*JOURNAL OF MANAGEMENT STUDIES, Issue 5 2006Francisco José Acedo In recent decades there has been growing interest in the nature and scale of scientific collaboration. Studies into co-authorship have taken two different approaches. The first one attempts to analyse the reasons why authors collaborate and the consequences of such decision (Laband and Tollison, 2000). The second approach is based on the idea that co-authorship creates a social network of researchers (Barabási et al., 2002; Moody, 2004; Newman, 2001). In this study we have carried out an exploratory analysis of co-authorships in the field of management from the two aforementioned approaches. The results obtained show a growing tendency of the co-authored papers in the field of management, similar to what can be observed in other disciplines. Our study analyses some of the underpinning factors, which have been highlighted in the literature, explaining this tendency. Thus, the progressive quantitative character of research and the influence of the collaboration on the articles' impact are enhanced. The network analysis permits the exploration of the peculiarities of the management in comparison with other fields of knowledge, as well as the existing linkages between the most central and prominent authors within this discipline. [source] Deformation, mass transfer and mineral reactions in an eclogite facies shear zone in a polymetamorphic metapelite (Monte Rosa nappe, western Alps)JOURNAL OF METAMORPHIC GEOLOGY, Issue 2 2004L. M. Keller Abstract This study analyses the mineralogical and chemical transformations associated with an Alpine shear zone in polymetamorphic metapelites from the Monte Rosa nappe in the upper Val Loranco (N-Italy). In the shear zone, the pre-Alpine assemblage plagioclase + biotite + kyanite is replaced by the assemblage garnet + phengite + paragonite at eclogite facies conditions of about 650 °C at 12.5 kbar. Outside the shear zone, only minute progress of the same metamorphic reaction was attained during the Alpine metamorphic overprint and the pre-Alpine mineral assemblage is largely preserved. Textures of incomplete reaction, such as garnet rims at former grain contacts between pre-existing plagioclase and biotite, are preserved in the country rocks of the shear zone. Reaction textures and phase relations indicate that the Alpine metamorphic overprint occurred under largely anhydrous conditions in low strain domains. In contrast, the mineralogical changes and phase equilibrium diagrams indicate water saturation within the Alpine shear zones. Shear zone formation occurred at approximately constant volume but was associated with substantial gains in silica and losses in aluminium and potassium. Changes in mineral modes associated with chemical alteration and progressive deformation indicate that plagioclase, biotite and kyanite were not only consumed in the course of the garnet-and phengite-producing reactions, but were also dissolved ,congruently' during shear zone formation. A large fraction of the silica liberated by plagioclase, biotite and kyanite dissolution was immediately re-precipitated to form quartz, but the dissolved aluminium- and potassium-bearing species appear to have been stable in solution and were removed via the pore fluid. The reaction causes the localization of deformation by producing fine-grained white mica, which forms a mechanically weak aggregate. [source] Is there a greater mandibular movement capacity towards the left?JOURNAL OF ORAL REHABILITATION, Issue 4 2005Verification of an observation from 192 summary, In 1921, the German dentist Hans Wertheim reported that more individuals were able to shift the mandible more towards the left than to the right. This study analyses the deviation from symmetrical mobility of the lower jaw in either direction. Using a millimetre ruler, maximum jaw opening (MJO), maximum left laterotrusion (MLL), and maximum right laterotrusion (MRL) were recorded in 141 healthy individuals and in 141 patients with temporomandibular disorders (TMDs). For both sexes, the mean maximum movements to the left and to the right were greater in the healthy group as compared with the TMD group. Healthy subjects as well as patients were able to move the mandible more to one side. Only a minority had identical values for MLL and MRL. The majority of healthy individuals and TMD patients could move more to the left (P < 0·001). In the healthy group, the mean ratio between MJO and MLL was 5·0, and 5·5 between MJO and MRL. In the TMD group, the corresponding values were 4·6 and 6.1. The mean absolute difference between MLL and MLR (in mm) was 1·24 [95% confidence interval (CI): 0·99; 1·49] among healthy females, and 2·09 (95% CI: 1·52; 2·66) among healthy males. In the TMD group, the corresponding values were 2·62 (95% CI: 2·21; 3·04) and 2·83 (95% CI: 1·67; 4·00), respectively. From the results of our study we conclude that moderate deviations from symmetric movements (mean: 1·2 mm for women, 2·1 mm for men) appear to be the norm even in healthy individuals. [source] | ||||||||||||||||||||||||||||||||||||||||