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251.
An Examination of the Perceptions of Organizational Politics Model: Replication and Extension 总被引:1,自引:0,他引:1
K. Michele Kacmar Dennis P. Bozeman Dawn S. Carlson William P. Anthony 《Human Relations》1999,52(3):383-416
This study examined the Perceptions of PoliticsModel (Ferris, Russ, & Fandt, 1989) in a three-phaseprocess. In the first phase, the model was examinedusing Anderson and Gerbing's (1988) two-step approach to structural equations modeling. Themodel was tested on data collected from 786 employees ofa state government agency and 469 employees of anelectric utility cooperative. Results from this phase indicated that the model had acceptablefit and was more parsimonious than any of the competingmodels to which it was compared. In the second phase,understanding as a moderator of the relationships between perceptions of organizational politicsand several outcome variables was examined. Resultsindicated that understanding only moderated the outcomerelationship between politics and job satisfaction, not intent to turnover or job anxiety. Finally,in phase three, the additional outcome variables oforganizational satisfaction, supervisor effectiveness,and self-reported individual performance were included in an effort to expand the Ferris et al. (1989)framework. Additionally, the moderating effects ofunderstanding on the relationships between perceptionsof politics and these new outcome variables were explored. Results from the final step indicatedthat adding the new outcome variables increased theparsimonyof the model without decreasing model fit. Withrespect to the moderating effects, only thepolitics-performance relationship was moderated byunderstanding.Allof these results are discussed in light of theirimplications for future research. 相似文献
252.
Attilio Gardini Giuseppe Cavaliere Michele Costa 《Statistical Methods and Applications》1999,8(1):25-47
In this paper, we propose a new model of asset prices which takes account of the investment strategies of three different kinds of agents: the market-makers, who operate rationally on the basis of the asset fundamentals, the smart buy-and-sell agents, who intervene when the prices reach particular levels and the non-smart buy-and-sell agents, who trade infrequently, mainly following psychological motivations. The different behavior of these groups of agents can determine temporary inefficiences on financial markets and we show that, by considering these inefficiences, it is possible to improve forecasting of asset prices. 相似文献
253.
In large epidemiological studies, budgetary or logistical constraints will typically preclude study investigators from measuring
all exposures, covariates and outcomes of interest on all study subjects. We develop a flexible theoretical framework that
incorporates a number of familiar designs such as case control and cohort studies, as well as multistage sampling designs.
Our framework also allows for designed missingness and includes the option for outcome dependent designs. Our formulation
is based on maximum likelihood and generalizes well known results for inference with missing data to the multistage setting.
A variety of techniques are applied to streamline the computation of the Hessian matrix for these designs, facilitating the
development of an efficient software tool to implement a wide variety of designs. 相似文献
254.
255.
While in America and elsewhere jazz made its debut in the middle and late 1910s, the Weimar Republic (1919–1933) remained relatively isolated from jazz until 1920. Touring groups opted for travel in economically and politically stable areas. Until the first live jazz concert in 1924, Germans learned of jazz through sheet music, recordings, and soldiers returning from World War I. Lasting records of jazz culture exist due to the advances in sound recording, photography, and publishing. Jazz images from the Weimar Republic offer a glimpse into the triangular relationship of ethnic African and African-American jazz artists with jazz culture and with German audiences. Many images de-emphasize the African-American jazz artists by using stereotypical tropes, masking the artist, and avoiding physical portrayals of the artist. These techniques reflect the adaptation of jazz culture for audiences within a nation recovering economic and political stability. 相似文献
256.
Michele Limosani 《LABOUR》2004,18(3):503-514
Abstract. Building on Layard and Jackman's framework, we propose a simple model to analyse the relation between labour productivity and unemployment differentials in Italy and present some panel data evidence to support the theoretical predictions of the model. The empirical analysis strongly suggests that the productivity differential is one of the main factors driving the dynamics of the unemployment differential in Italy. 相似文献
257.
The last ten years have witnessed a significant shift in the police response to investigations of child abuse. One of the most ‘visible’ manifestations of this shift has been the establishment of specialist units where children can be interviewed, medical examinations conducted and, in some cases, overnight accommodation made available to children and their non-abusive carers. The history of these units in Scotland is summarized in this article, together with a brief outline of their remit and some of the current issues facing them. A closer examination of the way in which Scottish units have responded to the issue of joint child abuse investigations with social workers is made, drawing on evidence from research conducted in Scotland. 相似文献
258.
This paper reports the findings of a research project which explored the care factors that influence the educational achievement of looked‐after children. The project was innovative because it focused on children looked after at home and away from home. A mixed‐methods strategy was adopted to analyse data from two large Scottish local authorities. The project developed, what is to date, the largest dataset which includes variables for one‐fifth of children discharged from care in Scotland over a 5‐year period. The qualitative element of the project collected in‐depth data on the care and education experiences of looked‐after children and care leavers. The overall finding was that looked‐after children perform less well academically than their counterparts in the general school population. The empirical data indicated that factors such as placement type, reason for becoming looked after and age on becoming looked after were significant in determining educational achievement. Empirical results further indicated that looked‐after children suffered from discrimination and social exclusion in many areas of their lives, including school and where they lived. 相似文献
259.
Against a background of rapid and widespread changes to the delivery of human services and social welfare, this paper reports on a study into the experiences of managers of human services organisations. Within an interpretive methodology, the research utilised focus group and interview methods to examine the relevance and need for business, finance, and management skills from the perspective of managers in the human services. Results indicate that managers of human service organisations need advanced business, management, and finance skills to deal with change and uncertainty in contemporary and competitive service environments.
IMPLICATIONS
Human service organisations in Australia are subject to change and uncertainty with new models of funding and increased accountability.
Social workers employed as managers are under pressure to lead sustainable and accountable services, while still holding to social work principles.
Social workers who manage organisations face a challenge of how to integrate business, management, and finance skills with the values and mission of social work.
260.
Relative costs are as important as relative effectiveness when choosing between program alternatives or among a set of programs competing for scarce funds. Nevertheless, the number of cost-inclusive evaluations remains comparatively small. This article presents the results of three first-time cost-inclusive evaluations each performed by an experienced evaluator. Each evaluator performed a different type of cost-inclusive evaluation using different tobacco control programs as examples: "standard" cost-effectiveness analysis, threshold or break-even analysis, and a simulation model. Results are presented in terms of the challenges faced, and informational and insight benefits gained, as well as in terms of program cost-effectiveness. All three evaluators agreed that the benefits from performing cost-inclusive evaluations are well worth time and effort involved. They also found that this type of evaluation provides abundant information that can be used to improve program effectiveness and cost-effectiveness. 相似文献