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The study examined positive and negative responses to volunteering (satisfaction with volunteering, perceived contribution to beneficiaries, and burnout) among 102 adolescents in Israel. The conceptual framework for explaining those responses was the ecological approach to the study of human development. In that context, the paper deals with the combined contribution of two ecological systems—the ontogenic system and the microsystem. The ontogenic system included sociodemographic variables (gender and religiosity), as well as empowerment resources. The microsystem included variables related to family context (parental volunteer activity and family support for volunteering), as well as to the context of volunteer activity (perceived rewards, difficulties with volunteering, and professional supervision). Sociodemographic variables and difficulties in relations with the provider organization predicted burnout, whereas rewards and professional supervision predicted satisfaction with volunteering. Empowerment contributed most to explaining volunteers’ perceived contribution to the beneficiaries of services.  相似文献   
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Many modern search applications are high-dimensional and depend on efficient orthogonal range queries. These applications span web-based and scientific needs as well as uses for data mining. Although k-nearest neighbor queries are becoming increasingly common due to mobile and geospatial applications, orthogonal range queries in high-dimensional data remain extremely important and relevant. For efficient querying, data is typically stored in an index optimized for either kNN or range queries. This can be problematic when data is optimized for kNN retrieval and a user needs a range query or vice versa. Here, we address the issue of using a kNN-based index for range queries, as well as outline the general computational geometry problem of adapting these systems to range queries. We refer to these methods as space-based decompositions and provide a straightforward heuristic for this problem. Using iDistance as our applied kNN indexing technique, we also develop an optimal (data-based) algorithm designed specifically for its indexing scheme. We compare this method to the suggested naïve approach using real world datasets. The data-based algorithm consistently performs better.  相似文献   
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Many destructive business leaders drive their companies into bankruptcy and dissolution, never to be heard from again in the business press. However, it is useful to study these organizations to prevent the same, or similar destructive business from taking on, and destroying, additional businesses. In this article, we describe one type of organization that follows the model of religious cults, which we call secular business cults. Building on Padilla et al., we describe an SBC toxic triangle of (1) Padilla et al.'s societal factors, (2) additional business factors, and (3) antisocial actors that set the stage for the SBC's emergence. We then describe the characteristics of the SBC's operations, such as an ultrastrong culture, formalized manipulation, manipulative hierarchical relationships, competition, and operations efficiency tools, and the frequent overcommunication of deceptive messages. It is our hope that this unique perspective on organizations will inspire research into an overlooked area of unethical behavior in businesses today. In our Part II paper on the topic, we intend to extend the idea of SBCs to manipulative businesses, which are essentially reorganized, well‐established and legally‐complying revisions of SBCs, and then to manipulative industries and societies.  相似文献   
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The goal of the present study was to examine differences in self-esteem between volunteers with physical disabilities and their counterparts who do not volunteer. Another goal was to examine the contribution of the characteristics of the volunteering experience (motives for volunteering, satisfaction with the rewards of volunteering, and the quality of relationships with beneficiaries) to explain self-esteem among volunteers with physical disabilities. The research sample included 160 Israeli participants with different physical disabilities. Of these, 95 volunteered and 65 did not volunteer. Participants who volunteered had higher self-esteem than those who did not. The findings highlight the compensatory role of volunteering for people with disabilities: The contribution of volunteering to enhancing self-esteem was mainly evident among participants with poor socioeconomic resources (low education, low economic status, and unemployed). Egoistic and altruistic motives for volunteering as well as satisfaction with the rewards of volunteering contributed to explaining self-esteem.  相似文献   
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We examined the gaps between research-based sexual harassment training practices human resource (HR) managers believe their organization should use and the practices their organizations actually use (knowing-doing gaps). We studied individual (attitudes about academics) and organizational predictors (senior management support, managerial rewards, and organizational resources) of gaps at the pre-training, training design and delivery, and post-training stages. Organizational factors generally reduced gaps at the pre-training and post-training stages, while the individual factor marginally increased the gap at the pre-training stage. The knowing-doing gap for training design and delivery practices was not predicted by any of the individual or organizational variables.  相似文献   
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We present an analysis of developments in perceptions of spousal power relations, as reflected in decision-making and division of household labor. Based on research conducted from as early as the 1960s to the present, we analyzed theoretical approaches ranging from the classic resource theories and gender role ideology to more complex approaches. We also examined contextual factors that may impact spousal relations. In addition, we addressed spousal power relations in new family configurations, such as cohabiting and homosexual families. Regardless of the type of family under discussion, the core research question examined in this article was whether women's acquisition of increased resources has generated a trend toward more egalitarian spousal power relations. The findings reveal that today spousal decision-making patterns are more egalitarian than in the past. However, with regard to division of household labor, women still bear the main responsibility for household chores.  相似文献   
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The study examined whether men's and women's retirement have a differential impact on several aspects of marital life: Power relations (as reflected in decision-making), spousal resources, division of household tasks, and quality of marriage. Questionnaires were distributed to a sample of 519 pre-retired and retired Israelis. The findings indicate that in general, both men's and women's retirement have a similar impact on marital relations in all of the areas examined. No appreciable change in spousal resources was found after retirement, but there was evidence of change in decision-making patterns about spending time and carrying out feminine and general tasks. Retired respondents of both sexes reported fewer marital complaints than the pre-retired respondents, but also expressed less marital enjoyment. It was also found that men's retirement has a different impact than women's retirement on decisions about house-hold affairs and performance of feminine tasks. In addition, gender-based differences were found in several areas, irrespective of employment status. The women reported higher quality of marriage than did the men, and more resources for strengthening the family, whereas the men perceived themselves as making more decisions in the important areas of life, as more hardy, and as controlling the family's financial resources.  相似文献   
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Policies that encourage the aspirations of disabled people for mainstream employment might be an effective way to increase their workforce participation rate. This study aims to determine which people in sheltered employment aspire to a job beyond their current sheltered employment job. We asked 64 people with sheltered employment jobs about their workplace and job fit, their intentions to stay in their current job and their future job aspirations. The key finding is that perceptions of fit indirectly and adversely affect aspirations via intention to stay. Participants who felt they fitted planned to keep working at their sheltered workplace, but a stronger intention to stay made it less likely that they could identify an alternative to sheltered employment. These results were not influenced by age or the time spent in sheltered employment. Policy should therefore support people in sheltered employment to develop realistic job aspirations. Helping disabled people to identify opportunities beyond sheltered employment can avoid complacency and free up sheltered job opportunities for other disabled people. But policy changes are required to leverage sheltered employment as a first step for disabled people to develop mainstream job aspirations and facilitate transitioning beyond sheltered employment job options.  相似文献   
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