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11.
Family size and children’s education in Vietnam 总被引:2,自引:0,他引:2
Data from the nationally representative 1994 Inter-Censal Demographic Survey are used to examine the association between family size and children s schooling in Vietnam. The data provide information on several education measures for all children over age 10, including children no longer residing in the household. Although a clear inverse bivariate association between family size and children s school attendance and educational attainment is evident, multivariate analysis controlling for urban/rural residence, region, parents’ education, household wealth, and child’s age, reveals that much of this association, especially that predicting educational attainment, is attributable to these other influences. Moreover, much of the effect that remains after statistical adjustment for the other influences is seen mainly at the largest family sizes. We consider the implications of these findings for current population policy in Vietnam and the possible features of the Vietnamese context that might account for the modest association. 相似文献
12.
The purpose of the current study was to determine whether brand name can affect the public's evaluation of a product. All subjects smoked identical cigarettes. One group of subjects, however, knew the cigarettes by the name of “Frontiersman,” a masculine name, while the other group knew the cigarettes as “April,” a feminine name. Male and female subjects were asked to rate the cigarette on seven measures. Results show that women gave a more positive evaluation to the cigarette purportedly named “April,” while men gave a more positive evaluation to the identical cigarette when they thought it was named “Frontiersman.” In addition, women reacted more strongly than did men to brand name influence. 相似文献
13.
This article discusses a technique the authors have designated Family Photo Reconnaisance. They describe the rationale for and process of utilizatizing family photographs and movies in family therapy sessions to evoke past events and memories and to uncover feelings about these occurrences and the people involved in them. Through their utilization, how one has changed over time is vividly seen. Who is missing from the constellation and when they "dropped out of the family orbit becomes obvious as do distorted memories. Family members reexperiencing the past together around their photographs come to better appreciate one another's current feelings and behavior and often are enabled to gain mastery over unresolved conflicts. 相似文献
14.
Moshe Friedman 《Omega》1975,3(6):751-755
The objective of this article is to give a concise report on a project to achieve an optimal operation of a public transportation network by the application of modern mathematical programming methods and computing techniques. The paper delineates the formulation of a mathematical model of a general public transportation network, and sketches a procedure to determine the buses' departure times so as to optimize a desired performance index; specifically, the average waiting time of passengers. 相似文献
15.
Circumstantial evidence places the p66 isoform of the adapter protein Shc in a position to mediate the accelerated aging phenotype displayed by mice expressing shortened forms of the tumor suppressor protein p53. We present a model in which p66(shc) may be responsible for integrating signals from the p53 pathway with signals from the insulin-like growth factor-1/Daf pathway in mammals. A full understanding of how interactions between p53 and p66(shc) affect longevity will require the production of animals with mutations in the genes encoding both proteins. 相似文献
16.
This paper explores systematic distortions of subjective probabilities by overconfident investors. In agreement with many non-expected utility theories, our devised setup acknowledges nonlinear weighting of physical probabilities by both rational and overconfident investors. Overconfidence – assumed to be higher after a history of gains and lower after a history of losses – changes these probability transformations. Using US asset price data, overconfident investors are found to be more optimistic than rational investors about future prospects. 相似文献
17.
This paper investigates the urn sampling analogue for the score statistic relating survival to covariates assuming a proportional hazard model. The exact permutation distribution can be calculated as well as the exact low order moments for arbitrary censoring patterns. The asymptotic distribution of the score statistic is an easy consequence. The method is naturally extended to deal with the multivariate case, time varying covariates and interval censoring. Finally the relationship between the censoring process, the survival times and covariates are studied considering different reference sets for the distribution of the score statistic. Some assumptions about the censoring process are investigated and as a consequence the effect of censoring is clarified. 相似文献
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19.
The Evolution of Organizations: Suggestions from Complexity Theory About the Interplay Between Natural Selection and Adaptation 总被引:1,自引:0,他引:1
Michael C. White Daniel B. Marin Deborah V. Brazeal William H. Friedman 《Human Relations》1997,50(11):1383-1401
There has been much debate in the managementliterature between neo-Darwinists (who believe in thenatural selection of populations of organizations) andadaptationists (who contend that changes in organization structure and behavior occur in response to theenvironment). The general thesis of neo-Darwinism isthat species are blindly selected for survival by theenvironment. The latest empirical support for the dominant neo-Darwinism perspective adopted bymost biologists is based primarily on the experimentsconducted by Salvador Luria who claims to haveconclusively demonstrated that genes mutate randomly.Recently, however, biologists have re-examined Luria sresearch methods and, after replications of hisexperiments, now question some aspects of the validityof his results. Moreover, there is now new researchwhich provides support for the earlier adaptationistposition, namely, the existence of evolutionary driversand directors existing within self-organizing systems.Of particular importance to the present study is the experimental indication thatself-organizing systems play a conscious role in theirown evolution. We propose that similar mechanisms orprocesses operate in organizational adaptation, thuspointing toward a theoretical modification ofneo-Darwinism that embraces both adaptation and naturalselection in a general, unified theory. 相似文献
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