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51.
In sprawling metropolitan areas, residential landscaping is a major concern with respect to biodiversity conservation, and it could play a critical role in conserving wildlife habitat. In the United States, residential landscaping typically consists of maintained lawns with specimen plantings of non-native trees and shrubs; such designs provide poor habitat for urban wildlife species. We conducted a case study of Raleigh, North Carolina residents to determine how providing information about the benefits of native plant landscaping to bird species influenced urban residents’ landscaping preferences. We used Wilcoxon Signed Rank tests to determine if respondent preferences for 0, 50, 75 and 100 % native plant landscaping coverages changed after residents were informed about the benefits that native plants provide for birds. Initially, the 50 % native landscaping coverage was most preferred by residents; however, preferences for all four native plant landscaping coverage designs were significantly different after the informational treatment. Neutrality changed to opposition for the 0 % native plant coverage, while opposition changed to support and neutrality for the 75 and 100 % native plant coverage designs, respectively. After the informational treatment, the 50 and 75 % native plant landscaping coverage had the highest mean preference levels, although the 100 % design was ranked first more than any other design. Our findings suggest that residential support for native plant landscaping is higher than is reflected by typical residential landscaping practices, and that dissemination of information regarding the benefits of native plant landscaping to birds could alter public preferences for native plant landscaping. 相似文献
52.
Christopher Gilley 《East European Jewish Affairs》2017,47(1):45-61
On the basis of largely unused archival materials in Kyiv, this article re-examines the responsibility of the Ukrainian People’s Republic (UNR) for the pogroms of 1919. It consciously puts aside the question of Symon Petliura’s personal guilt, preferring to concentrate on the broader responsibility of members of the Ukrainian national movement for propagating antisemitic stereotypes and engaging in anti-Jewish violence. This approach reveals a widely held belief among members of the UNR that they were fighting a Jewish Bolshevik enemy. This led to pogroms but also probably prevented the UNR from punishing its soldiers who had perpetrated them. Despite the declarations by UNR figures condemning pogroms and the creation of an organ to investigate them, there were apparently very few, if any, convictions, at least in 1919, the year of the worst pogroms. 相似文献
53.
Samantha M. Hack Christopher R. Larrison Melanie E. Bennett Elizabeth A. Klingaman Amanda D. Peeples 《Social Work in Mental Health》2017,15(1):99-120
Semi-structured qualitative interviews were conducted with 26 African American men with serious mental illness who were consumers of community mental health services and 26 members of their social support networks. All participants were asked what they believed had caused the consumers’ mental illness. Consumer participants most commonly identified chronic life stressors as a causal factor, while social supports most often identified intrinsic factors such as genetics or biology as causes of mental illness. Some support participants believed that unintentional drug use had precipitated the onset of mental illness or had no causal theories. The fact that some support participants could not identify a causal explanation may indicate failure on the part of mental health care systems to engage with consumers’ social support networks and provide education about mental illness and its causes. The implications of etiology beliefs on mental health service utilization are discussed. 相似文献
54.
Christine Harvey Scott Rosen James Ramsey Christopher Saunders Samar K. Guharay 《Journal of Statistical Computation and Simulation》2017,87(1):123-137
A significant challenge in fitting metamodels of large-scale simulations with sufficient accuracy is in the computational time required for rigorous statistical validation. This paper addresses the statistical computation issues associated with the Bootstrap and modified PRESS statistic, which yield key metrics for error measurements in metamodelling validation. Experimentation is performed on different programming languages, namely, MATLAB, R, and Python, and implemented on different computing architectures including traditional multicore personal computers and high-power clusters with parallel computing capabilities. This study yields insight into the effect that programming languages and computing architecture have on the computational time for simulation metamodel validation. The experimentation is performed across two scenarios with varying complexity. 相似文献
55.
Research has examined various elements of Twitter; however, no scholarship has explored how sociologists currently use the platform. This empirically driven paper explores how individuals that self-identify as sociologists on Twitter use the popular micro-blogging social media site. A total of 152,977 tweets from Twitter profiles of 130 sociologists were collected and examined using qualitative media analysis. The potential use of Twitter allows the sociologist to become both the generator and interlocutor of dialogue with publics. We frame our data analysis and discussion around the core theme of expertise - namely, the role that expertise plays in the use of Twitter by sociologists. Our findings indicate that when sociologists used Twitter as sociologists (i.e., drawing upon their stated research expertise) little direct engagement with publics occurred. Thus, while sociologists appear to be using Twitter as a space for public sociology, the use of this interactive platform is mostly limited to the generation of content, a finding consistent with Burawoy’s traditional form of public sociology. Suggestions for future research are noted. 相似文献
56.
In this interpretive case study the researchers examined the beliefs of 13 self-identifying race-conscious secondary social studies teachers from diverse racial or ethnic, gender, and school-context backgrounds. The researchers found that the teachers' beliefs and views of practice were generally aligned with the main assertions of critical race theory. The teachers described their personal and professional experiences as a major influence on their race-conscious beliefs and views of practice. Moreover, teachers in diverse contexts described having to learn how to navigate the different racial experiences of the students in their classrooms, while teachers in racially segregated contexts (predominately White, Black, or Latino) emphasized the importance of teaching their students about others. Finally, despite the teachers' regular integration of race-related issues into their required and elective courses, they expressed a desire to have more opportunities to teach about race. 相似文献
57.
Arthur Sakamoto Christopher R. Tamborini ChangHwan Kim 《Population research and policy review》2018,37(1):91-116
This paper investigates long-term earnings differentials between African American and white men using data that match respondents in the Survey of Income and Program Participation to 30 years of their longitudinal earnings as recorded by the Social Security Administration. Given changing labor market conditions over three decades, we focus on how racial differentials vary by educational level because the latter has important and persistent effects on labor market outcomes over the course of an entire work career. The results show that the long-term earnings of African American men are more disadvantaged at lower levels of educational attainment. Controlling for demographic characteristics, work disability, and various indicators of educational achievement does not explain the lower long-term earnings of less-educated black men in comparison to less-educated white men. The interaction arises because black men without a high school degree have a larger number of years of zero earnings during their work careers. Other results show that this racial interaction by educational level is not apparent in cross-sectional data which do not provide information on the accumulation of zero earnings over the course of 30 years. We interpret these findings as indicating that compared to either less-educated white men or highly educated black men, the long-term earnings of less-educated African American men are likely to be more negatively affected by the consequences of residential and economic segregation, unemployment, being out of the labor force, activities in the informal economy, incarceration, and poorer health. 相似文献
58.
Viniece Jennings Myron F. Floyd Danielle Shanahan Christopher Coutts Alex Sinykin 《Population and environment》2017,39(1):69-86
Urbanization affects landscape structure and the overall human condition in numerous ways. Green spaces include vegetated land cover (e.g., urban forests, trees, riparian zones, parks) which play a distinctive role in urban ecology. This article reviews emergent literature on the linkages between urban green spaces, social justice, and human health. We explore this subject in the context of landscape structure, ecosystem services, and distributional equity as it relates to various health outcomes. Finally, we conclude by identifying gaps in the scholarship and potential areas of future research. 相似文献
59.
Jochen Klenk Lars Schwickert Luca Palmerini Sabato Mellone Alan Bourke Espen A. F. Ihlen Ngaire Kerse Klaus Hauer Mirjam Pijnappels Matthis Synofzik Karin Srulijes Walter Maetzler Jorunn L. Helbostad Wiebren Zijlstra Kamiar Aminian Christopher Todd Lorenzo Chiari Clemens Becker for the FARSEEING Consortium 《European review of aging and physical activity》2016,13(1):8
Background
Real-world fall events objectively measured by body-worn sensors can improve the understanding of fall events in older people. However, these events are rare and hence challenging to capture. Therefore, the FARSEEING (FAll Repository for the design of Smart and sElf-adaptive Environments prolonging Independent livinG) consortium and associated partners started to build up a meta-database of real-world falls.Results
Between January 2012 and December 2015 more than 300 real-world fall events have been recorded. This is currently the largest collection of real-world fall data recorded with inertial sensors. A signal processing and fall verification procedure has been developed and applied to the data. Since the end of 2015, 208 verified real-world fall events are available for analyses. The fall events have been recorded within several studies, with different methods, and in different populations. All sensor signals include at least accelerometer measurements and 58 % additionally include gyroscope and magnetometer measurements. The collection of data is ongoing and open to further partners contributing with fall signals. The FARSEEING consortium also aims to share the collected real-world falls data with other researchers on request.Conclusions
The FARSEEING meta-database will help to improve the understanding of falls and enable new approaches in fall risk assessment, fall prevention, and fall detection in both aging and disease.60.
Two competing and yet complementary philosophical concepts form the foundation for the legal protection of intellectual property – ‘competing’ in that created works protected by copyright are unavailable for unrestricted use by others as a result of the economic monopoly given to the works’ owners, and ‘complementary’ in that the presumption is that works no longer protected by copyright serve as the basis for the creation of new copyrightable works. These unprotected works comprise the ‘public domain,’ which has never been affirmatively defined. In Golan v. Holder (2012), the US Supreme Court concluded that such a realm is constitutionally unimportant. This research contends, however, that the Court's decision is incorrect, that Golan, federal legislation, and international treaties threaten to bring larger and larger portions of cultural and intellectual content under the control of a property regime that does not understand the contradiction inherent in the notion of absolute property rights in intangible goods. The result is that the public domain is under tremendous pressure from those entities which have the most to gain from expanded authorial rights and from a weakened and less inclusive public domain. Citizens thus will have fewer rights to access and freely use their culture as they choose. The eventual significance of this evolution will be that further creativity and innovation will be stifled, the opposite of the intention of intellectual property law. In this article, we develop an affirmative definition of the public domain, which we believe will correct the imbalance in current intellectual property law. 相似文献