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Joyce T. Chen 《决策科学》1980,11(4):632-647
This paper applies mathematical programming to cost-volume-profit (CVP) analysis under contribution margin uncertainty. Three CVP probabilistic chance-constraint models based on various safety-first criteria for decisions under uncertainty are presented and compared. It is shown that a break-even segment of the mean-standard deviation frontier is a set of optimal solutions for the proposed models. An operational parametric quadratic programming (QP) model is constructed, and the efficiency frontier is generated. The procedures for locating an optimal solution on the efficiency frontier are then presented. The recommended QP procedure offers both technical relief from the computational difficulties posed by the probabilistic constraints and a desired flexibility in generating and presenting the relevant information for decisions under uncertainty. 相似文献
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In the change management literature, most studies on recipients' resistance to change include only the views of agents or of recipients, thereby ignoring that these parties may have different perceptions. In this quantitative study, we include the perceptions of both parties in studying the recipients' resistance and the impact of the agent's leadership behavior. In a sample of 117 agent-recipients groupings, covering 110 different change projects in 90 organizations, we found that agents perceive higher levels of recipients' resistance than do the recipients themselves. Additionally, we found that agents who create space to enable recipients to think and act differently (by employing creating behavior) report higher levels of recipients' resistance, whereas recipients perceive their resistance to be lowered when agents facilitate an emotional connection to the change (framing behavior). The depth of the change appeared to moderate the relationship between agent's leadership behavior and recipients' resistance, indicating that agents and recipients differ in which change leadership behaviors they perceive as increasing or decreasing resistance at different levels of change depth. These findings imply to reconsider the relationship between agent and recipients and we propose some promising avenues for future studies in resistance research. 相似文献
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Joyce PA 《Journal of child sexual abuse》2007,16(3):1-18
This study qualitatively examined the perspectives of clinical social workers on non-offending mothers of sexually abused children. The study examined whether clinicians still used collusion to explain mothers' behavior, despite research refuting collusion. Findings revealed that, although workers did not use collusion, they still constructed mothers negatively. Multiple contexts of agency practice influenced constructions. Administrative use of authority to implement external constraints led to workers' resistance, which involved humor with gender and ethnic components. The agency's role as a graduate social work teaching site contributed the following: Field instructors transmitted the belief that incest typified severe family difficulties and posed complex assessment and intervention problems. Implications for effective practice are discussed. 相似文献
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Joyce Edward 《Clinical Social Work Journal》2016,44(2):198-203
Psychoanalysis has long recognized the vital role that relationships between people play in human development and in the maintenance of sense of well being throughout life. While the internalization of representations of significant others and their interactions with each other, the achievement of object constancy, makes it possible to gain support from the realization that we live in the minds of others and they in ours’, it is “not enough.” We need people “in the flesh” from “cradle to grave.” Unfortunately, this need is more difficult to meet in our later years. Parents, siblings, mates, love partners die. Children move away. No longer do we have daily contact with our work colleagues. Old friends are lost, never to be replaced, making the ability to form and maintain additional friendships as well as the opportunity to do so critical in the life of the elderly. This paper considers the roles that friends play in old age, the developmental achievements that contribute to the capacity for friendship, some of the factors that may impede doing so, and finally the ways in which psychoanalytic treatment may foster an individual’s ability to be a friend and make friends. 相似文献
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The Logic of A Co‐Operative Economy and Democracy 2.0: Recovering the Possibilities for Autonomy,Creativity, Solidarity,and Common Purpose 下载免费PDF全文
Joyce Rothschild 《The Sociological quarterly》2016,57(1):7-35
Over the past 30 years, the collectivist‐democratic form of organization has presented a growing alternative to the bureaucratic form, and it has proliferated, here and around the world. This form is manifest, for example, within micro‐credit groups, workers’ co‐operatives, nongovernmental organizations, advocacy groups, self‐help groups, community and municipal initiatives, social movement organizations, and in many nonprofit groups in general. It is most visible in the civil society sector, but demands for deeper participation are also evident in communities and cities, and the search for more involving and less bureaucratic structures has spread into many for‐profit firms as well. Building on research on this form of organization, this article develops a model of the decisional processes utilized in such organizations and contrasts these “Democracy 2.0” standards for decision making from the Democracy 1.0 (representative and formal) standards that previously prevailed. Drawing on a new generation of research on these sorts of organizations, this article and this special section discuss: (a) how consensus decisional processes are being made more efficient; (b) how such organizations are now able to scale to fairly large size while still retaining their local and participatory basis; (c) how such organizations are cultivating a more diverse membership and using such diversity to build more democratic forms of governance; (d) how such organizations are combatting ethnoracial and gender inequalities that prevail in the surrounding society; and (e) how emotions are getting infused into the public conversations within these organizations and communities. 相似文献
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Computer‐Mediated Communication in Intimate Relationships: Associations of Boundary Crossing,Intrusion, Relationship Satisfaction,and Partner Responsiveness 下载免费PDF全文
Aaron M. Norton Joyce Baptist Bernie Hogan 《Journal of marital and family therapy》2018,44(1):165-182
This study examined the impact of technology on couples in committed relationships through the lens of the couple and technology framework. Specifically, we used data from 6,756 European couples to examine associations between online boundary crossing, online intrusion, relationship satisfaction, and partner responsiveness. The results suggest that participants’ reports of online boundary crossing were linked with lower relationship satisfaction and partner responsiveness. Also, lower relationship satisfaction and partner responsiveness were associated with increased online boundary crossing. The results suggest that men, but not women, who reported greater acceptability for online boundary crossing were more likely to have partners who reported lower relationship satisfaction in their relationships. Implications for clinicians, relationship educators, and researchers are discussed. 相似文献
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This study examines how the perceived locus of crisis cause, controllability, and adherence to social mission are associated with public attitude in the context of a social enterprise crisis and evaluates the differences between these variables under episodic and thematic frames of online articles. Using the crisis case of THINX in 2017 as a case study, a quantitative content analysis was performed on a sample of 503 comments under online articles. Hierarchical regression revealed that the locus of crisis cause and adherence to social mission were associated with public attitude, whereas controllability was not associated with public attitude when adherence to social mission was accounted for. Significant differences were found in the locus of crisis cause, controllability, adherence to social mission, and public attitude between episodic and thematic frames. This study provided a basis for the theoretical development of crisis communication in a social enterprise and the corresponding role for public relations. 相似文献