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排序方式: 共有218条查询结果,搜索用时 15 毫秒
191.
Facchinetti Silvia Giudici Paolo Osmetti Silvia Angela 《Statistical Methods and Applications》2020,29(1):173-185
Statistical Methods & Applications - The paper proposes a new methodology to measure cyber risks which, instead of using quantitative loss data, often not available, employs ordinal data. The... 相似文献
192.
Silvia Tolomio Andrea Ermolao Alberto Lalli Marco Zaccaria 《Journal of women & aging》2013,25(4):241-254
Purpose: Exercise is important for the prevention of osteoporosis and the reduction of fracture risk because it improves muscle mass and strength, besides improving balance. We evaluated the effect of a specific exercise program on bone mass and quality and physical function capacity in postmenopausal women with low bone mineral density. Methods: Participants (N = 125) underwent a bone mass (Dual X-ray Absorptiometry), bone quality (osteosonography), and physical functional capacity assessment. Fifty-eight of them took part in an 11-month exercise program (E), that included a multicomponent (strength, aerobic capacity, balance, joint mobility) dual-modality (on ground and in the water; alternating group and home-based exercise periods) exercise regimen. The others represented a control group (C) that did not exercise. After the exercise program all participants were reevaluated. Results: After the training program: femoral neck T-score significantly improved in E; C significantly decreased all bone quality (osteosonography) parameters, whereas E showed no differences; E significantly improved all the physical function capacity parameters, while most of them decreased or did not change in C. Conclusions: A specific exercise program targeting osteoporosis improves physical function capacity, reduces physiological bone loss, and maintains bone quality in low bone mineral density postmenopausal women. 相似文献
193.
Silvia K. Queri 《Journal of social service research》2013,39(3):386-401
ABSTRACTUse of sick days related to mental stress and burnout is a growing problem in Germany. Since stress is related to work demands, there is a substantial need for suitable workplace health promotion programs. This study identifies several organizational and personal stress predictors and presents a predictive model for workers in the field of psychiatric rehabilitation. A cross-sectional design was utilized to collect the self-ratings of employees (n = 243) who typically work with patients. Univariate analyses show, overall, above average stress scores, below average scores in occupational self-efficacy, and a much higher proportion of a gratification crisis (that is, insufficient reward for work performance) compared to other people employed in health care. A multivariate model for predicting the heightened stress indicates the supposed pathogenetic and salutogenetic main effects for organizational variables, such as gratification crisis, and personal variables, such as occupational self-efficacy as well as an interaction of both types of variables. High occupational self-efficacy can attenuate the effect of an existing gratification crisis. Workplace health promotion programs in this field should address organizational and personal variables, in particular occupational self-efficacy and gratification crisis. Future research should focus on interaction effects based on a person-environment-interaction model. 相似文献
194.
We use a large Italian employer-employee matched dataset to study how motherhood affects women’s working career in terms of labor force participation and wages. We confirm that the probability of exiting employment significantly increases for mothers of pre-school children; however, this is mitigated by higher job quality, human capital endowment and childcare accessibility. Most importantly, the availability of part-time jobs reduces their probability of moving out of the labor force. Women not leaving employment after becoming mothers experience lower wages than women with no pre-school child, and there are no signs of this gap closing 5 years after childbirth. Contrary to previous literature, the wage gap penalty emerges only among women working full-time, thanks to the high protection accorded to part-time jobs in Italy. 相似文献
195.
Annica Kristoffersson Silvia Coradeschi Amy Loutfi Kerstin Severinson-Eklundh 《Journal of Technology in Human Services》2013,31(4):263-283
This article presents the results from a video-based evaluation study of a social robotic telepresence solution for elderly. The evaluated system is a mobile teleoperated robot called Giraff that allows caregivers to virtually enter a home and conduct a natural visit just as if they were physically there. The evaluation focuses on the perspectives from primary healthcare organizations and collects the feedback from different categories of health professionals. The evaluation included 150 participants and yielded unexpected results with respect to the acceptance of the Giraff system. In particular, greater exposure to technology did not necessarily increase acceptance and large variances occurred between the categories of health professionals. In addition to outlining the results, this study provides a number of indications with respect to increasing acceptance for technology for elderly. 相似文献
196.
197.
Vittorio Lutri Emiliano Soldini Silvia Ronzitti Neil Smith Massimo Clerici Alex Blaszczynski Henrietta Bowden-Jones 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》2018,34(4):1341-1354
Several studies have found that certain traits of impulsivity are associated with gambling disorder, and influence its severity. Furthermore, it has been suggested that some forms of gambling, particularly electronic gambling machines, are particularly widespread among pathological gamblers. In the present, exploratory study, we aim to clarify the role played by impulsivity in influencing the choice of specific gambling activities, by examining the relation between individual dimensions of impulsivity, and the choice of specific gambling activities in a clinical population. 100 consecutively admitted pathological gamblers at the National Problem Gambling Clinic in London (UK) in 2014 were administered the UPPS-P and BIS-11 impulsivity questionnaires, the Problem Gambling Severity Index, and underwent a structured interview concerning their gambling activities in the month and year prior to assessment. The correlation between individual gambling activities and impulsivity dimensions was analyzed both at a bivariate level, and using logistic regression. We found a significant correlation between Negative Urgency, Motor impulsivity and low-stakes machine gambling on multivariate analysis. Negative urgency (i.e. the tendency to act impulsively in response to negative affect), and Motor impulsivity (a tendency to rash action and restlessness) might be mediating factors in the choice of electronic gambling machines, particularly among patients whose gambling is escape-oriented. Structural and situational characteristics of gambling machines, particularly the widespread availability of low-stakes—rather than high-stakes—gaming machines, might concur to the choice of this form of gambling among individuals who present higher negative urgency and restlessness. 相似文献
198.
Jesús Alonso Panti-May Lorenzo Sodá-Tamayo Naivy Gamboa-Tec Rosy Cetina-Franco Nohemi Cigarroa-Toledo Carlos Machaín-Williams María del Rosario Robles Silvia F. Hernández-Betancourt 《Urban Ecosystems》2017,20(5):983-988
Rodents are a threat to agriculture and homes, and are a public health risk. Local perceptions about rodents and the damage they cause are vital, as a first step, to the design and implementation of rodent control or educational programs. A total of 111 interviews were conducted in two urban neighborhoods and two rural villages in Yucatan, Mexico. More than 90% of the interviewed inhabitants perceived rodents as a problem. The fear of rodents (57%), damage to food and stocks (56%), and damage to clothes (34%), were the most cited problems. In the urban neighborhoods, the use of rodent control methods was more frequent (57%) than in the villages (33%) in this study. In addition, the percentage of damage to domestic appliances was lower in villages (10%) than in neighborhoods (33%). Our preliminary results suggest that rodent pests represent a threat to human health and to human food security in the studied sites. 相似文献
199.
Claudia Silvia Ambruosi Giulia Maria Baldinelli Emanuela Cappuccini Federica Migliardi 《Transition Studies Review》2010,17(2):320-331
Today, for the first time in history, half the world’s people live in cities. This puts metropolitan areas to the test, especially in developing countries, where the greatest part of urban growth is occurring. In order to meet the new challenges linked to urbanization, today’s growing cities need appropriate metropolitan governance. The present paper wants to investigate this issue, through the definition of a general model of metropolitan governance, which can be adapted to every urbanization context according to its own specificities. Considerable emphasis will be given to concrete examples to test the consistency of our model. In particular, since water and sanitation supply is one of the key challenges affecting metropolitan areas, we will apply our model to urban water management. Furthermore, an important focus will be given to the contribution that Information and Communication Technologies can provide to the implementation of the model. 相似文献
200.
We investigate the degree of leeway donors of foreign aid should grant to recipient governments when their preferences over how to implement the aid are different, and both the donor and recipient possess some private information about the most effective policies. Intuitively, our model shows that donors should stay in control of how their aid is spent when their own private information is more important than the private information of the recipient. Less obviously, an increase in the difference of preferences between donors and recipients can increase rather than decrease the leeway that donors should grant the recipients, as the recipients' information gains in importance relative to those of the donors, and recipients become less likely to communicate truthfully. We test the model using dyadic data for 28 bilateral aid donors and 112 recipients, over the 1995–2010 period. Our proxy for “centralized” aid is project aid, while budget aid leaves more leeway to the recipient and thus proxies for “decentralized” aid. In line with the model, misaligned interests and informational asymmetries indeed influence the shares of aid given as budget and project aid. (JEL C23, D82, F33,O1) 相似文献