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1.
The often paradoxical relationship between investment in information technology and gains in productivity has recently been attributed to a lack of user acceptance of information technology innovations. Diverse streams of research have attempted to explain and predict user acceptance of new information technologies. A common theme underlying these various research streams is the inclusion of the perceived characteristics of an innovation as key independent variables. Furthermore, prior research has utilized different outcomes to represent user acceptance behavior. In this paper we focus on individual's perceptions about the characteristics of the target technology as explanatory and predictive variables for acceptance behavior, and present an empirical study examining the effects of these perceptions on two frequently used outcomes in the context of the innovation represented by the World Wide Web. The two outcomes examined are initial use of an innovation and intentions to continue such use in the future, that is, to routinize technology use. Two research questions motivated and guided the study. First, are the perceptions that predict initial use the same as those that predict future use intentions? Our results confirm, as hypothesized by prior research, that innovation characteristics do explain acceptance behavior. The results further reveal that the specific characteristics that are relevant for each acceptance outcome are different. The second research question asks if perceived voluntariness plays a role in technology acceptance. Results show that external pressure has an impact on adopters' acceptance behavior. Theoretical and practical implications that follow are presented.  相似文献   
2.
Settlement services are key to Canada's success in welcoming and integrating immigrants. Offered mainly in person prior to COVID-19 by non-governmental agencies reliant on and regulated by government funders, services were forced online and delivered by staff working remotely. We document this transition between September 2020 and September 2021 in Ontario, Canada and the conditions that influenced it. Surveys completed by workers and managers at member agencies of the Ontario Council of Agencies Serving Immigrants reveal how agencies provided services and stabilized organizational resources and capacities. Their success is evident in staff satisfaction with management's responses to the pandemic. While our findings underscore the resilience of the agencies and their workforce, they also challenge many tenets of New Public Management. The survey and discussions with managers suggest that sustained and flexible funding, rapid and respectful communication between agencies and funders and collaborations with other agencies were key to overcoming pandemic challenges.  相似文献   
3.
The Family Mentoring Project, which provided approximately one year of mentoring for at-risk 10-year old Latino children and their parents, aimed to provide not only service but empirical evaluation of the program's impact. This University-community partnership offered individual mentoring, a group educational component for children and parents, and group social/recreational activities. A pre- and post-test analysis of 11 non-mentored and 20 mentored youth revealed positive gains on social skills for mentored children as reflected in self-ratings and mothers' ratings on the Social Skills Rating Scale (SSRS). Also based on the SSRS, mothers reported decreases in three problem behaviors for mentored children. In addition, by post-testing, the mentored children and their mothers compared very favorably with the SSRS standardized samples on both skills and problem behaviors. The findings suggest that bicultural competence may be fostered by programs that provide consistent and long-term mentoring, involve the children's families, include group educational components, and bring families and mentors together for social/recreational events.  相似文献   
4.
Recovery of interdependent infrastructure networks in the presence of catastrophic failure is crucial to the economy and welfare of society. Recently, centralized methods have been developed to address optimal resource allocation in postdisaster recovery scenarios of interdependent infrastructure systems that minimize total cost. In real-world systems, however, multiple independent, possibly noncooperative, utility network controllers are responsible for making recovery decisions, resulting in suboptimal decentralized processes. With the goal of minimizing recovery cost, a best-case decentralized model allows controllers to develop a full recovery plan and negotiate until all parties are satisfied (an equilibrium is reached). Such a model is computationally intensive for planning and negotiating, and time is a crucial resource in postdisaster recovery scenarios. Furthermore, in this work, we prove this best-case decentralized negotiation process could continue indefinitely under certain conditions. Accounting for network controllers' urgency in repairing their system, we propose an ad hoc sequential game-theoretic model of interdependent infrastructure network recovery represented as a discrete time noncooperative game between network controllers that is guaranteed to converge to an equilibrium. We further reduce the computation time needed to find a solution by applying a best-response heuristic and prove bounds on ε-Nash equilibrium, where ε depends on problem inputs. We compare best-case and ad hoc models on an empirical interdependent infrastructure network in the presence of simulated earthquakes to demonstrate the extent of the tradeoff between optimality and computational efficiency. Our method provides a foundation for modeling sociotechnical systems in a way that mirrors restoration processes in practice.  相似文献   
5.
Little is known about how mental health services consider the parenting role and the well‐being of children when assessing parents with acute mental illness. This paper investigated how crisis mental health services addressed child well‐being in the Wellington region, New Zealand. This mixed‐method case study included: (i) an audit of the electronic clinical records of all adults presenting to the crisis assessment team; (ii) interviews with 22 key informants; and (iii) a documentary review. We found that data about children were not systematically collected. Less than half of (49 of the 104) the records of patients who were parents included information on their child's well‐being; only six (6%) contained a specified plan for action. The focus for services was the adult patient. Key informants were unclear about their role. They identified inadequate training and institutional support, inflexible funding models and limited availability or inappropriateness of referral services as problems. They saw a need for children to become more visible, for collaborative working to improve the use of existing services and for new funding models, resources and roles. Existing national policy documents contained little guidance and no practice guidelines were in use. These were lost opportunities to improve support for the parenting role and promote child well‐being.  相似文献   
6.
In an increasingly service-centered economy, service innovation is crucial to maintaining a firm's competitive advantage. While service innovation has attracted much attention and has resulted in the development of several service innovation typologies, these attempts remain rooted in the goods-versus-services perspective. In addition, limited attention has been devoted to theoretically anchoring these typologies in the key determinants of service innovation. Our study aims to close these gaps by developing a service innovation typology that is embedded in the service-dominant logic (SDL) and anchored by contextually relevant dimensions—environmental uncertainty, strategic orientation, and market orientation. This article presents an eight-cell service innovation typology and discusses its managerial and research implications. It is our belief that framing the typology along three contextually important dimensions and embedding in the SDL provides a richer and more appropriately specified articulation that is theoretically robust and will be useful to managers responsible for service innovation.  相似文献   
7.
Anthropometric studies typically require a large number of individuals that are selected in a manner so that demographic characteristics that impact body size and function are proportionally representative of a user population. This sampling approach does not allow for an efficient characterization of the distribution of body sizes and functions of sub-groups within a population and the demographic characteristics of user populations can often change with time, limiting the application of the anthropometric data in design. The objective of this study is to demonstrate how demographically representative user populations can be developed from samples that are not proportionally representative in order to improve the application of anthropometric data in design. An engineering anthropometry problem of door width and clear floor space width is used to illustrate the value of the approach.  相似文献   
8.
This study examined the associations between work stressors and mental health in organizationally employed and self-employed workers, and with the numbers of general practitioner (GP) services used by these two employment groups. The participants were selected from those already taking part in the PATH Through Life Project, in Australia. A total of 2275 men and women aged from 40 to 44 years participated in a community survey and were in the labour force at the time of the interview. Those who participated entered responses into a hand-held computer under the supervision of an interviewer. A total of 14.2% of the group identified themselves as self-employed. Respondents also provided details of their occupation and the extent to which they experienced work stressors. Some 72.6% of these participants gave consent for information on their use of GP services over a 12-month period to be obtained from national insurance records. We found that self-employed men and women reported more decision authority than the organizationally employed, while self-employed women also had more manageable job demands. Self-employment offered men no health benefit. However, women who were self-employed reported worse physical health than their organizationally employed counterparts. While work stress factors were most likely to be associated with the use of GP services by self-employed men, the use of those services by women was more strongly associated with their experiences of stress in organizational employment. Overall, self-employment was found to be associated with relatively few mental health benefits.  相似文献   
9.
Persuading users to adopt new information technologies persists as an important problem confronting those responsible for implementing new information systems. In order to better understand and manage the process of new technology adoption, several theoretical models have been proposed, of which the technology acceptance model (TAM) has gained considerable support. Beliefs and attitudes represent significant constructs in TAM. A parallel research stream suggests that individual difference factors are important in information technology acceptance but does not explicate the process by which acceptance is influenced. The objective of this paper is to clarify this process by proposing a theoretical model wherein the relationship between individual differences and IT acceptance is hypothesized to be mediated by the constructs of the technology acceptance model. In essence then, these factors are viewed as influencing an individual's beliefs about an information technology innovation; this relationship is further supported by drawing upon extensive research in learning. The theoretical model was tested in an empirical study of 230 users of an information technology innovation. Results confirm the basic structure of the model, including the mediating role of beliefs. Results also identify several individual difference variables that have significant effects on TAM's beliefs. Theoretical contributions and practical implications that follow are discussed.  相似文献   
10.
The objective of this study was to find out the perceptions of age and aging among women in Qatar. Respondents consisted of 250 women aged between 20 and 70 years, selected from those attending the health centers in Doha city, the capital of Qatar. They were interviewed using a pretested validated questionnaire, and data were collected through direct face-to-face interviews using the incidental sampling method. It was found that physical appearance and mental alertness were the most important criteria for defining aging in men and women. A statistically significant association was found between age of respondents and physical criteria for aging such as hair color (p < .000) in women and body image in men (p < .0298). As for aging characteristics, decreasing hearing ability (p < .000), performance as before (p < .004), more irritability (p < .0227), ability to travel alone (p < .0429), needs check up (p < .001), and needs a geriatric home (p < .001) were statistically associated with age of women studied. Both positive (socializing factors, independence, housework, retirement, and geriatric care) and negative stereotyping (care for self, learning capabilities, irritability, and worries) with regard to aging were evident among the Qatari women. In general, Qatari women had several positive attitudes toward aging. Such attitudes could be utilized in any health promotion for elderly people.  相似文献   
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