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61.
Twenty-first century organizations will require designs that enable them to cope with turbulent environments. Organizations have experimented with lateral organizational designs for this purpose, but research evidence concerning these forms is sparse. We analyzed data obtained from 512 employees within eight diverse organizations implementing flexible lateral organizations. Using a sequence comparison methodology, we were able to identify and categorize the major costs, benefits, and enablers associated with implementing these forms of complex organizations. Propositions for effectively managing lateral relations were tested and managerial implications were explored.  相似文献   
62.
This article describes the use of neural networks (a type of artificial intelligence) and an empirical data sample of, inter alia, the amounts of bets laid and the winnings/losses made in successive games by a number of cyber-gamblers to longitudinally model gamblers’ behavior and decisions as to such bet amounts and the temporal trajectory of winnings/losses. The data was collected by videoing Texas Holdem gamblers at a cyber-gambling website. Six “persistent” gamblers were identified, totaling 675 games. The neural networks on average were able to predict bet amounts and cumulative winnings/losses in successive games accurately to three decimal places of the dollar. A more important conclusion is that the influence of a gambler’s skills, strategies, and personality on his/her successive bet amounts and cumulative winnings/losses is almost totally reflected by the pattern(s) of his/her winnings/losses in the few initial games and his/her gambling account balance. This partially invalidates gamblers’ illusions and fallacies that they can outperform others or even bankers. For government policy-makers, gambling industry operators, economists, sociologists, psychiatrists, and psychologists, this article provides models for gamblers’ behavior and decisions. It also explores and exemplifies the usefulness of neural networks and artificial intelligence at large in the research on gambling.  相似文献   
63.
This paper proposes a consistent parametric test of Granger-causality in quantiles. Although the concept of Granger-causality is defined in terms of the conditional distribution, most articles have tested Granger-causality using conditional mean regression models in which the causal relations are linear. Rather than focusing on a single part of the conditional distribution, we develop a test that evaluates nonlinear causalities and possible causal relations in all conditional quantiles, which provides a sufficient condition for Granger-causality when all quantiles are considered. The proposed test statistic has correct asymptotic size, is consistent against fixed alternatives, and has power against Pitman deviations from the null hypothesis. As the proposed test statistic is asymptotically nonpivotal, we tabulate critical values via a subsampling approach. We present Monte Carlo evidence and an application considering the causal relation between the gold price, the USD/GBP exchange rate, and the oil price.  相似文献   
64.
Abstract

This article offers an overview of engagements with the glocal and traces the consequences of this research agenda for Global Studies. First, it compares the emergence of the global and the glocal in the literature. It tracks the uneven impact of the business use of the glocal and argues that this genealogy has obscured alternative accounts. Second, it offers a thematic overview of the uses of glocalization in the literature. It highlights publication clusters in specific areas of interdisciplinary interest. It further addresses key criticisms against glocalization. Finally, it explores the vicissitudes of research on glocalization on the scope and definition of Global Studies. Trends in Global Studies appear to move in an opposite direction from the one suggested by glocalization. This could lead to the emergence of a separate field of Glocal Studies, causing further fragmentation in the field.  相似文献   
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66.
Recent changes in accreditation standards now require professors to systematically assess whether a teacher candidate actually possesses a “disposition” appropriate to the profession. This new mandate from accreditation bodies is controversial on a number of fronts. As social studies educators in particular, we like to think of ourselves as especially attentive to issues such as individual differences and rights, indoctrination, prejudice, intolerance, freedom of expression, maturation, and the worth of the individual—all of which are potentially raised by the NCATE and NCSS mandates. And as a practical matter, it places new stresses on the role of professors as both mentors and gatekeepers. In this article, two social studies teacher educators provide an overview of current theory and debate regarding dispositions, an assessment of practical problems associated with the accreditation accountability mandates, and—in spite of the persistent problems associated with defining and assessing dispositions—offer one successful model for evaluating teacher candidates’ professional dispositions that has been implemented in a social studies education program.  相似文献   
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68.
In this study the marital quality of respondents who were currently receiving government assistance was compared with those who were not. Contextual variables (e.g., gender, age, age at first marriage, religiosity, education, etc.) and interactional variables (i.e., escalating negativity, criticism, negative interpretation, withdrawal) were measured as potential correlates with marital quality. Results indicated that those who received government assistance differed significantly from those who did not on all six indicators of marital quality that were measured and on 8 of 11 contextual variables measured. Findings from this study will help policymakers, therapists, and other helping professionals gain an increased awareness of the needs of these two distinct populations and how to target educational programs to best address those needs.  相似文献   
69.
The main objective of this study was to extend previous research in the area of longitudinal marital satisfaction by examining how marital issues, including decision-making, activities, affection, conflict, financial matters, stability, and values, changed over the first 5 years of marriage for 242 Utah, Latter-Day-Saint individuals. In addition, this study examined whether change occurs differently for husbands versus wives and for at-risk individuals versus non-risk individuals. The results showed that four marital issues worsened over time (activities, affection, conflict, and stability). Two of the six subscales (activities and affection) were found to differ significantly by gender. In addition, four subscales were significantly different for at-risk couples when compared with non-risk couples (decision-making, activities, conflict, and stability). Limitations and recommendations are discussed.  相似文献   
70.
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