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281.
This article contends that career and employment counseling should be viewed as an aspect of the clinical practice of occupational
sociology. First, the actual development of career and employment counseling is briefly traced. Then, against this backdrop,
past and present linkages between occupational sociology and career/employment counseling knowledge are identified. Finally,
sociology training and internship possibilities for the counseling component are suggested. 相似文献
282.
Rivers James E. Anwyl Robert S. Weatherby Norman Pattnaik Suchitra 《Population research and policy review》1999,18(1-2):183-199
Most research on services for the HIV/AIDS population has focused on primary medical care or on service brokering by advocacy groups. Little research data exist on the extent to which services of programs that do not specialize in HIV/AIDS clients are available to these individuals who often have multiple and multi-dimensional problems. The reported research examines selected data from a sample of 236 medical, behavioral health and social service programs in Miami-Dade County, Florida. A constructed measure of involvement in services for HIV/AIDS clients, pertinent provider program and client characteristics are examined in the context of geo-distributed data on reported AIDS cases and census data. In logistic regression analyses, two aspects of race/– the population in the zip code area served by the program, and the clients or patients seen in the program – were significant in predicting program under-response, defined as level of response relative to cumulative reported AIDS cases from the program's zip code area. The analysis is briefly discussed regarding its relevance and methodological generalizability for HIV/AIDS and related public health policy and applied purposes. 相似文献
283.
Philip Prescott Norman R. Draper 《Journal of applied statistics》1998,25(5):613-638
It is often the case in mixture experiments that some of the ingredients, such as additives or flavourings, are included with proportions constrained to lie in a restricted interval, while the majority of the mixture is made up of a particular ingredient used as a filler. The experimental region in such cases is restricted to a parallelepiped in or near one corner of the full simplex region. In this paper, orthogonally blocked designs with two experimental blends on each edge of the constrained region are considered for mixture experiments with three and four ingredients. The optimal symmetric orthogonally blocked designs within this class are determined and it is shown that even better designs are obtained for the asymmetric situation, in which some experimental blends are taken at the vertices of the experimental region. Some examples are given to show how these ideas may be extended to identify good designs in three and four blocks. Finally, an example is included to illustrate how to overcome the problems of collinearity that sometimes occur when fitting quadratic models to experimental data from mixture experiments in which some of the ingredient proportions are restricted to small values. 相似文献
284.
285.
Abstract Shiftwork is a significant feature of occupational life for many people. It can have disruptive effects on sleep, health, social activity and performance. It is likely that beliefs about personal control will influence the individual-shiftwork relationship. This paper has two aims; first, to put forward the thesis that shiftwork-specific personal control expectancies may moderate the disruptive impact of shiftwork, and second, to report the development and preliminary validation of a shiftwork-specific locus of control scale. The scale demonstrated satisfactory psychominary qualities in terms of factor structure, internal reliability, construct validity and test-retest reliability. Variables associated with better coping with shiftwork such as alertness, flexibility of sleeping habits and the structured use of time correlated positively with shiftwork locus of control. In contrast, shiftwork locus of control was found to be inversely related to shiftwork problems such as sleep disturbance, poor mental well-being and work stress. 相似文献
286.
Suzanne de Treville Norman Schürhoff Lenos Trigeorgis Benjamin Avanzi 《Production and Operations Management》2014,23(12):2103-2117
We develop a real‐options model for optimizing production and sourcing choices under evolutionary supply‐chain risk. We model lead time as an endogenous decision and calculate the cost differential required to compensate for the risk exposure coming from lead time. The shape of the resulting cost‐differential frontier reveals the term structure of supply‐chain risk premiums and provides guidance as to the potential value of lead‐time reduction. Under constant demand volatility, the break‐even cost differential increases in volatility and lead time at a decreasing rate, making incremental lead‐time reduction less valuable than full lead‐time reduction. Stochastic demand volatility increases the relative value of incremental lead‐time reduction. When demand has a heavy right tail, the value of lead‐time reduction depends on how extreme values of demand are incorporated into the forecasting process. The cost‐differential frontier is invariant to discount rates, making the cost of capital irrelevant for choosing between lead times. We demonstrate the managerial implications of the model by applying it first to the classic Sport‐Obermeyer case and then to a supplier‐selection problem faced by a global manufacturer. 相似文献
287.
Aart Kraay Norman Loayza Luis Servn Jaume Ventura 《Journal of the European Economic Association》2005,3(4):914-945
Capital flows to developing countries are small and mostly take the form of loans rather than direct foreign investment. We build a simple model of North–South capital flows that highlights the interplay between diminishing returns, production risk, and sovereign risk. This model generates a set of country portfolios and a world distribution of capital stocks that resemble those in the data. (JEL: F32, F34) 相似文献
288.
Norman Fairclough 《Journal of Sociolinguistics》2000,4(2):163-195
Recent social theory includes important insights into language which constitute a so far underdeveloped resource for sociolinguistics. But much of this theory stops short – theoretical frameworks and categories which socially locate language are not pushed in the direction of a theorisation of language itself, which limits their operational value in research. Sociolinguistics can draw upon social theory to produce more sophisticated theorisations of language which at the same time constitute contributions to social theory. My aim in this paper is to explore what it means to work in a 'transdisciplinary' way. I argue in particular for a transdisciplinary engagement with social theory in which the logic of one theory is put to work in the elaboration of another without the latter being simply reduced to the former. My focus is upon critical discourse analysis (CDA) which I here take to be a part of a broadly conceived sociolinguistics. I shall link this theoretical exploration to a concrete research focus by referring to a discourse analytical study of the current British ('New') Labour Government, with particular reference to its 'reform' of social welfare. I shall be drawing upon the theoretical framework developed in Chouliaraki and Fairclough (1999). I have referred to some of the social theory which I find it particularly fruitful to work with, but the paper is intended to suggest a way of working and is in no sense a closed list of theorists – on the contrary, I believe that we should be open to a wide range of theory. 相似文献
289.
KM Hrapczynski NB Epstein CA Werlinich JJ LaTaillade 《Journal of marital and family therapy》2012,38(Z1):117-132
This study examined effects of cognitive-behavioral couple therapy (n = 25 couples) and a variety of systems-oriented couple therapy models (n = 30 couples) in reducing negative attributions and degrees to which decreases in negative attributions were associated with improvements in other aspects of relationship functioning. Couples seeking treatment at a university clinic and experiencing psychological and/or mild-to-moderate physical abuse completed 10 weekly sessions. Attributions, relationship satisfaction, psychological abuse, communication, and negotiation were assessed before and after treatment. Women and men in both treatments exhibited decreased negative attributions, which moderated increases in satisfaction and decreases in negative communication, as well as increases in positive communication for men. The findings reinforce the importance of modifying negative attributions when intervening to reduce abuse. 相似文献
290.
Rosenberg DE Kerr J Sallis JF Norman GJ Calfas K Patrick K 《Journal of aging and physical activity》2012,20(3):379-394
The authors tested the feasibility and acceptability, and explored the outcomes, of 2 walking interventions based on ecological models among older adults living in retirement communities. An enhanced intervention (EI) was compared with a standard walking intervention (SI) among residents in 4 retirement facilities (N = 87 at baseline; mean age = 84.1 yr). All participants received a walking intervention including pedometers, printed materials, and biweekly group sessions. EI participants also received phone counseling and environmental-awareness components. Measures included pedometer step counts, activities of daily living, environment-related variables, physical function, depression, cognitive function, satisfaction, and adherence. Results indicated improvements among the total sample for step counts, neighborhood barriers, cognitive function, and satisfaction with walking opportunities. Satisfaction and adherence were high. Both walking interventions were feasible to implement among facility-dwelling older adults. Future studies can build on this multilevel approach. 相似文献