540 resultados para refining


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Imprint covered by label; Pergamon Press; The Macmillan Company, New York.

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Mode of access: Internet.

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Reports for 1915-<1958> have title: Annual report.

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The legal definition of child pornography is, at best, unclear. In part because of this ambiguity and in part because of the nature of the crime itself, the prosecution and sentencing of perpetrators, the protection of and restitution for victims, and the means for preventing repeat offenses are deeply controversial. In an effort to clarify the questions and begin to formulate answers, in this volume, experts in law, sociology, and social examine child pornography law and its consequences. Focusing on the roles of language and crime definition, the contributors present a range of views about the increasingly visible role that child pornography plays in the national conversation on child safety, as well as the wisdom of the punishment of those who produce, distribute, and possess materials which may be considered child pornography.

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"July 2007"

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This study explores the theoretical and empirical distinction between developmental leadership and supportive leadership, which are currently encompassed in a single sub dimension of transformational leadership, individualized consideration. Items were selected to assess these constructs, and hypotheses regarding the differential effects of developmental and supportive leadership were proposed. Confirmatory factor analyses provided support for the proposed distinction between developmental and supportive leadership, although these leadership factors were very strongly associated. Structural equation modelling and multi-level modelling results indicated that both developmental leadership and supportive leadership displayed unique relationships with theoretically selected outcome measures. Developmental leadership displayed significantly stronger relationships with job satisfaction, career certainty, affective commitment to the organization and role breadth self-efficacy than did supportive leadership. Results provide initial evidence in support of the discriminant validity of these two types of leadership. Discussion focuses on the need to further examine the construct of developmental leadership.

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In this paper we discuss the refinement of exceptions. We extend the Guarded Command Language normally used in the refinement calculus, with a simple exception handling statement, which we model using King and Morgan's exit statement (1995). We derive some variants of King and Morgan's refinement laws for their exit statement, and illustrate the approach with an example of a refinement of a simple program.