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11.
MC Jackson   《Omega》1987,15(6)
This paper offers some thoughts on the present state of management science as a discipline and a profession, and considers possible developmental strategies. The growth of management science, and the optimism this engendered, was largely premised on the successful use of scientific methodology and quantitative techniques to solve a relatively narrow range of management problems. In the 1970s, however, this positivist/quantitative ‘traditional management science’ became subject to increasing critical assault from those who wanted to broaden the impact of the discipline. Alternative management science approaches were born—soft systems thinking, organisational cybernetics, critical management science—and succeeded in establishing themselves. The existence of these alternative strands of work, alongside traditional management science, raises important questions about the future development of the discipline and profession. In this paper four developmental possibilities are set down and examined to see what future prospects they hold out for management science. It is argued that three of these—the isolationist, imperialist and pragmatist strategies—would lead the discipline into a dead end. A pluralist option, however, offers excellent opportunities for successful, future development.  相似文献   
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This paper describes the GRASP computer aided design system for modelling and evaluating industrial robot workplaces. GRASP satisfies a range of simulation needs within the context of designing, implementing and operating industrial robotic systems. The GRASP software may be used to investigate robots operating by themselves or, more likely, as part of an integrated cell. Facilities within GRASP assist workplace layout, position and velocity evaluations, clash detection and co-ordination between items. A robot library exists and is being extended, and an embryo off-line programming facility has been used under restricted conditions. GRASP has been used to help solve a wide range of practical industrial robot problems and has proved itself technically, and also as an educational tool, by showing how a proposed system would operate. The paper describes the facilities within GRASP.  相似文献   
13.
The effects of military couples’ (N?=?219) financial management concerns on marital quality were investigated using an actor-partner interdependence model based on the family stress model. The influence of the mediating role of warm and hostile marital interactions was also investigated after accounting for multiple indicators of the military context, which are usually significant in the lives of military families. Individuals with higher levels of concern about financial management expressed less warmth and more hostility towards their partner. In turn, individuals exhibiting higher levels of warmth had spouses who reported greater marital quality.  相似文献   
14.
Mounting evidence indicates that deficits in positive affect (PA) regulation are implicated in youth depression. Although parental responses to youths’ PA expressions have been linked to youth regulation of negative affect, no study has directly examined whether parental responses are linked with youth PA regulation strategies. The present study utilized a novel observational measure to test whether maternal active‐constructive responses to youths’ PA were uniquely associated with youth effective PA regulation strategies and, subsequently, depressive symptoms. Ninety‐two adolescents between the ages of 11 and 18 (Mage = 14.22, Girls = 62%) and their primary female caregivers (Mage = 41.40, 88% biological mothers) completed a series of questionnaires and engaged in a Plan a Day Trip interaction task. Results revealed that observed maternal active‐constructive responses to adolescents’ PA were uniquely associated with adolescents’ effective PA regulation strategies which, in turn, were related to lower depressive symptoms. These findings underscore the importance of parental responses to PA when sharing positive experiences for specifically targeting adolescents’ responses that generate and sustain PA.  相似文献   
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Single dimensional projections are inadequate to determine what the future holds. A wide variety of economic, technological and social changes will influence the future environment for wool and other fibres. In these circumstances, and bearing in mind that, for planning purposes, strategic assumptions are often markedly superior to firm predictions, a set of alternative scenarios is a useful instrument. Consideration of some brief scenarios leads to the conclusion that wool's future depends, in no small measure, upon the actions of the wool-growing industry and governments of wool exporting countries.  相似文献   
17.
We use the last two waves of the Italian Time Use Survey to analyse whether children imitate the reading habits of their parents. As reading is crucial for continuous investment in human capital throughout a person’s life, it is important that children acquire the habit of reading. This habit may be developed through both cultural and educational transfers from parents to children, and through imitative behaviours. Imitation is of particular interest, as it suggests that parents can have a direct influence on the formation of their children’s preferences and habits, and that active policies promoting good parenting behaviours might therefore be desirable. We investigate the short-run imitative behaviour of children using a household fixed-effects model in which we identify the impact of the parents’ role model by exploiting the differences in the exposure of siblings to their parents’ example within the same household. We find robust evidence of the existence of an imitation effect: on the day of the survey, children were more likely to had read after seeing either their mother or their father reading.  相似文献   
18.
We examine how informants' reports on community perceptions of the quality and accessibility of family planning facilities relate to the use of modern contraceptives by individuals in rural Tanzania. Using information on individual-level contraceptive use in conjunction with community-level information on the accessibility and quality of family planning facilities, we employ two distinct statistical procedures to illustrate the impacts of accessibility and quality on contraceptive use. Both procedures treat the community-level variables as imperfect indicators of characteristics of the facilities, and they yield nearly identical implications. We find that a community-level, subjective perception of a family planning facility's quality has a significant impact on community members' contraceptive use whereas other community measures such as time, distance, and subjective perception of accessibility have trivial and insignificant direct impacts, net of the control variables. Future research that uncovers the determinants of perceptions of both community-level and individual-level quality could provide key insights for developing effective and efficient family planning programs.  相似文献   
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Using a pattern‐based approach, worry was explored in relation to military youths' developmental and contextual characteristics, and pivotal outcomes (depressive symptoms, self‐efficacy, well‐being, coping styles, academic performance and deployment adjustment). Data were collected from parents and adolescents, age 11 to 18, living in the USA (n = 273 families). Variations in individual characteristics (age and gender), military family factors (rank, recent deployment, parents' resilient coping abilities) and family relational characteristics (parents' marital status, warm parenting, marital quality) were related to heterogeneous worry typologies. Depressive symptoms, self‐efficacy and well‐being, varied across the worry typologies. Implications are drawn from these findings for identifying potential interventions that can be accessed to modify these worry patterns and limit their harmful effects.  相似文献   
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