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11.
Resumen

El objetivo de este artículo es ofrecer una serie de criterios metodológicos de los instrumentos más utilizados en la medición de la identidad de género (BRSI y PAQ). Para ello, se presentan brevemente las perspectivas teóricas actuales para posteriormente avanzar en una serie de criterios metodológicos tales como la descripción y validez de los procedimientos de selección de los ítems y su validez ante sesgos de respuesta; fiabilidad de las escalas; y validez estructural, discriminante, convergente/divergente y de constructo. Por último se presentan diversos criterios de clasificación de los sujetos según estas escalas, así como las técnicas de análisis de datos más apropiadas. Además, se ha intentado recoger las críticas y discusiones que desde las diferentes líneas de investigación se están proponiendo.  相似文献   
12.
Nutrigenetics is a promising field, but the achievability of expected benefits is challenged by the methodological limitations that are associated with clinical research in that field. The mere existence of these limitations suggests that promises about potential outcomes may be premature. Thus, benefits claimed in scientific journal articles in which these limitations are not acknowledged might stimulate biohype. This article aims to examine whether nutrigenetics clinical research articles are a potential source of biohype. Of the 173 articles identified, 16 contained claims in which clinical applications were extrapolated from study results. The methodological limitations being incompletely acknowledged, these articles could potentially be a source of biohype.  相似文献   
13.
Hurricane track and intensity can change rapidly in unexpected ways, thus making predictions of hurricanes and related hazards uncertain. This inherent uncertainty often translates into suboptimal decision-making outcomes, such as unnecessary evacuation. Representing this uncertainty is thus critical in evacuation planning and related activities. We describe a physics-based hazard modeling approach that (1) dynamically accounts for the physical interactions among hazard components and (2) captures hurricane evolution uncertainty using an ensemble method. This loosely coupled model system provides a framework for probabilistic water inundation and wind speed levels for a new, risk-based approach to evacuation modeling, described in a companion article in this issue. It combines the Weather Research and Forecasting (WRF) meteorological model, the Coupled Routing and Excess STorage (CREST) hydrologic model, and the ADvanced CIRCulation (ADCIRC) storm surge, tide, and wind-wave model to compute inundation levels and wind speeds for an ensemble of hurricane predictions. Perturbations to WRF's initial and boundary conditions and different model physics/parameterizations generate an ensemble of storm solutions, which are then used to drive the coupled hydrologic + hydrodynamic models. Hurricane Isabel (2003) is used as a case study to illustrate the ensemble-based approach. The inundation, river runoff, and wind hazard results are strongly dependent on the accuracy of the mesoscale meteorological simulations, which improves with decreasing lead time to hurricane landfall. The ensemble envelope brackets the observed behavior while providing “best-case” and “worst-case” scenarios for the subsequent risk-based evacuation model.  相似文献   
14.
Cryptococcus is an important fungal pathogen worldwide, causing serious clinical manifestations that can affect immunocompetent patients and can be particularly severe for immunocompromised patients. The Cryptococcus gattii s.s. (AFLP4/VGI), Cryptococcus tetragattii (AFLP/VGIV), Cryptococcus neoformans, and Cryptococcus deneoformans have been isolated from both clinical and environmental sources in Europe. We aim to quantify the people in Europe and the entire Mediterranean area who are under risk associated with each of the three fungal pathogens in a spatially explicit way, generating a series of maps and population statistics per country. Niche modeling was applied to estimate the potential distribution of each fungal pathogen, then these models were overlapped with a map of population density to estimate risk levels. The potential number of people per risk level and per country was quantified using a map of population count per pixel. Prevalence of HIV per country was also included in the analysis to quantify the HIV-infected population under potential risk. People under risk associated with exposure to C. gattii species (C. gattii s.s. and C. tetragattii) reached 137.65 million, whereas those exposed to C. neoformans and C. deneoformans were 268.58 and 360.78 million people, respectively. More than a half million HIV-infected patients are exposed to each of the two species of the C. neoformans species complex, and more than 200,000 to the C. gattii species complex. The present results can be useful for public health planning by European governments, focusing on the provision of inputs for a “screen-and-treat” approach, availability of medical resources, and continuous monitoring programs in risk zones.  相似文献   
15.
16.

In this paper, we discuss the transition from secure employment to risky self-employment (entrepreneurship) caused by a small increase in wealth. Building on the apportioning risk literature, we prove that the transition from secure employment to risky entrepreneurship is based on a measure of the difference between the strength of downside risk aversion and the strength of risk aversion. This result highlights the idea that using the behavioral approach of risky lotteries to study entrepreneurship can produce different results from the traditional economic theory of entrepreneurship, which can have policy implications that must be considered with caution.

  相似文献   
17.
Using a novel-capability approach to explore the full potential of the profession, this study utilized a three-stage, mixed-methods design to develop the first U.S. capability framework for public relations. This research also investigated which newly defined capabilities public relations academics and practitioners perceived as the most important for the profession as a whole and for them as professionals. Finally, the research investigated what impediments professionals in the USA face to achieve these capabilities.  相似文献   
18.
Drug use in mainstream rave parties has been widely documented in a large number of studies. However, not much is known about drug use in underground raves. The purpose of this study is to find out the polysubstance use patterns at underground raves. Two hundred and fifty-two young people between the ages of 18 and 30 who went to underground raves were interviewed. They were given a questionnaire to collect information on drug use at raves. Ravers used a mean of 4.9 different drugs at the last rave they had been to. Over 75% of them used tobacco, alcohol, cannabis, and amphetamine, and over half also used powder ecstasy. Two differentiated use patterns were found: one pattern concentrated more on the use of stimulants and the other on the use of hallucinogens. Underground ravers have a "standard" sociodemographic profile. The use of drugs is much higher than equivalent age group. Higher drug use prevalence than in mainstream rave parties is also observed. Different patterns of use appear which will be necessary to consider in designing preventions and risk reduction strategies,  相似文献   
19.
The Accounting Law Modernization Act (BilMoG) aims at harmonizing two basic attitudes that are irreconcilable in the first place: On the one hand the local German GAAP, which are driven by creditor protection, the principle of prudence as well as objective limitations; on the other hand international accounting standards (IFRS), which focus on information tasks. The option to capitalise certain intangible fixed assets that have not been acquired from a third party, leads to a de-objectification of the balance sheet that has to be rejected as being too hazardous. Furthermore, the introduction of fair-value accounting for financial instruments acquired for trading purposes has to be rejected due to a breach of the realisation principle. The primary legal purpose of the balance sheet, the prudent determination of distributable profits on the basis of turnover, would be jeopardized. The desire for information on investment in intangible assets as well as the (alleged) increase in value of financial instruments should rather be displayed in the notes to the financial statements.  相似文献   
20.
This article compares the current Canadian and American approaches to governing the responsible conduct of research. The Canadian Secretariat on Responsible Conduct of Research acts on behalf of Canada's three federal research agencies to implement their Framework on Responsible Conduct of Research. It operates not on the basis of regulatory authority, like its U.S. counterpart, the Office of Research Integrity, but rather on the basis of making compliance a condition of eligibility for funding. Both offices are dedicated to promoting good research practices and to enforcing good standards of research practice.  相似文献   
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