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741.
Amy J. Henley 《Journal of Organizational Behavior Management》2013,33(3-4):321-335
This study sought to investigate the efficacy of feedback sequence—namely, the feedback sandwich—and timing on performance. Undergraduate participants performed simulated office tasks, each associated with a feedback sequence (positive–corrective–positive, positive–positive–corrective, corrective–positive–positive, and no feedback), presented in a counterbalanced fashion. Half of the participants received individual verbal feedback delivered privately by the researcher immediately after each session, and the remaining participants received the same type of feedback immediately before each session. The aggregate data suggested no feedback was the most efficacious for participants who experienced feedback prior to performance, and the corrective–positive–positive sequence was the most efficacious for participants who received feedback following performance. Differences in feedback timing were not significant except for the no feedback condition. These results document that the feedback sandwich was not the most efficacious sequence, despite claims to the contrary. 相似文献
742.
Amy Z. Zeng 《生产规划与管理》2013,24(7):660-668
We study the effects of using a partial backordering approach to controlling inventories under deterministic and stochastic demands, respectively. With a deterministic demand, our model is built with the objective of minimizing the total cost of ordering, holding, backordering and lost sales. The conditions for the partial backordering policy to be feasible are identified and a pair-wise comparison among the no-backordering, complete backordering, and partial backordering doctrines is conducted. In the stochastic case, we focus on a make-to-stock system with a Poisson demand and exponential production time, which allows us to establish a queuing model to examine the cost-effectiveness of using partial backorders. The conditions under which the partial backordering policy outperforms the complete backordering policy are identified. 相似文献
743.
Amy Maxeiner 《Human Resource Development International》2013,16(3):357-359
In a final large group session of a working conference in the Tavistock group relations tradition, members were concerned about who would get the consultants' 'blessing' as confirmation of their learning during the course of the conference. Some members referred to Jacob's fight at the river Jabbok and other parts of the Jacob legend from the Old Testament book of Genesis as a metaphoric frame to disentangle and explore their experiences. This concern mirrored a more general theme, which is as old as mankind - the theme of inheritance and succession. In this paper this theme will function as a frame for a broader exploration of the Jacob legend, the early development of psychoanalysis, the Tavistock tradition of group relations and the experience of organizational role holders in family businesses and other organizations. Instead of merely regarding inheritance and succession as a handing over, it will be postulated that assuming an inherited legacy requires a certain self-authorization on the part of the heir in order to own and further develop it. The capacity for containment of frustration and the ability to feel the pain of longing are requisites for ultimately taking up one's inheritance in the ongoing tradition of one's world. 相似文献
744.
Since the turn of the 21st century, there has been a revival of interest in nuclear power. Two decades ago, the expansion of nuclear power in the United States was halted by widespread public opposition as well as rising costs and less than projected increases in demand for electricity. Can the renewed enthusiasm for nuclear power overcome its history of public resistance that has persisted for decades? We propose that attitudes toward nuclear power are a function of perceived risk, and that both attitudes and risk perceptions are a function of values, beliefs, and trust in the institutions that influence nuclear policy. Applying structural equation models to data from a U.S. national survey, we find that increased trust in the nuclear governance institutions reduces perceived risk of nuclear power and together higher trust and lower risk perceptions predict positive attitudes toward nuclear power. Trust in environmental institutions and perceived risks from global environmental problems do not predict attitudes toward nuclear power. Values do predict attitudes: individuals with traditional values have greater support for, while those with altruistic values have greater opposition to, nuclear power. Nuclear attitudes do not vary by gender, age, education, income, or political orientation, though nonwhites are more supportive than whites. These findings are consistent with, and provide an explanation for, a long series of public opinion polls showing public ambivalence toward nuclear power that persists even in the face of renewed interest for nuclear power in policy circles. 相似文献
745.
Michael Muller 《英国管理杂志》1999,10(Z1):31-44
Most human resource management (HRM) research has been conducted in countries that have relatively weak labour market institutions such as the UK and the USA. There is little research about the scope for and constraints on the adoption of HRM practices in countries with strong statutory regulations. The research presented here is based on 16 case studies of banks and chemical firms operating in Germany, that comply with the requirements of the German labour market institutions of collective bargaining, co-determination and initial vocational training, and hence operate under strong institutional constraints. The evidence presented shows that institutional features of the German system encourage the implementation of some ingredients of the HRM ‘recipe’ and inhibit others. It also indicates that constraining influences notwithstanding, a pluralist version of HRM appears to be quite compatible with the highly regulated German context. 相似文献
746.
747.
Although vast social and political changes over the past decades have opened many opportunities for women, many activists and academics maintain that women continue to face significant barriers to entry into positions of power and influence. The vast majority of American leaders are white and male, but the representation of women in the professions has begun to rise as more and more women enter the leadership ranks of various professions. This article provides a profile of women who currently hold positions of power in the United States—who they are, what sectors they represent, and how their opinions on social and political issues compare and contrast with one another. Analyzing data from the Study of Leadership Characteristics, a recently completed national survey of American elites, this article examines the structure and gender composition of elites in the United States, revealing patterns of both conflict and consensus among women elites. 相似文献
748.
Abstract Geographical Information Systems (GIS) computer mapping programs and new land use policy models are shown to be useful in understanding the dynamics of rural land conversion to urban uses. The California Central Valley Alternative Futures Model was constructed to evaluate patterns of growth that are forecasted to triple the population of the California Central Valley by 2040. The GIS sub-divided the Valley into over 750,000 land units, and a logit analysis evaluated factors leading to actual patterns of recent growth. Undeveloped land units were assigned a probability of future development, and expected population increases were allocated to those land units with the highest probability of future growth under two growth scenarios: low density and compact growth. The model shows that low density growth would convert over 1,035,000 acres of farmland to urban uses, including over 600,000 acres of prime or statewide important quality land. Compact growth would convert only 474,000 acres total, of which only 266,000 would be on prime soils. This paper shows how new land use models and GIS programs enable rural sociologists to better understand how rural communities and their spatial environment interact—in particular, how these tools enable researchers to explore the forces and consequences of rural and exurban growth. 相似文献
749.
Burt S. Barnow Amy Buck Kirk O'Brien Peter Pecora Mei Ling Ellis Eric Steiner 《Child & Family Social Work》2015,20(2):159-170
Outcomes for youth from foster care have been found to be poor. The education and employment outcomes of youth and alumni of foster care served by transition programmes located in five major US cities were examined. Data were collected by case managers and reported to evaluators quarterly on 1058 youth from foster care for over 2 years. Job preparation, transportation, child care, education support services and life skills were the most common services provided to youth. During the 2‐year study period, 35% of participants obtained employment, 23% obtained a General Education Development or diploma, and 17% enrolled in post‐secondary education. It was found that the longer the youth were enrolled, the more education and employment outcomes they achieved. Further, job preparation and income support services were associated significantly with achieving any positive education or employment outcome. Results indicated that certain services provided over an extended period of time can improve outcomes for youth placed in foster care. For youth to achieve positive outcomes as they transition to adulthood, additional services are necessary. Other implications are discussed. 相似文献
750.