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PITTETD 檢索結果共 4141 筆,本頁資料從第 157 筆到第 168 筆

Questions concerning the basis of power and processes which lead to social stratification have occupied anthropological research for decades, resulting in a number of competing schools of thought. This research examines two of these; factional competition and managerial models for the rise of social complexity. Factional competition models propose that individuals are i....

By David Allen Anderson-Anthropology-University of Pittsburgh-doctoral-2006-10-06
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THE BATTLE OF DEER CREEK CROSSING: A Case Study of Rhetorical Exigence and Environmental Rhetoric Michael John Bannon, PhD University of Pittsburgh, 2006 This dissertation is a case study that analyzes rhetorical tactics and strategies surrounding the environmental public argument over the fate of Deer Creek Crossing, a proposed commercial development in Western Pennsy....

By Michael John Bannon-Communication: Rhetoric and Communication-University of Pittsburgh-doctoral-2006-10-06
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The current study had three goals that were designed to extend our understanding of childhood somatization (SOM). The first goal was to use a group-based trajectory analysis to plot developmental pathways of SOM. The second goal was to use a developmental psychopathology framework to identify risk factors from multiple domains that discriminated SOM trajectories. The th....

By Joy Elizabeth Beck-Psychology-University of Pittsburgh-doctoral-2006-10-06
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This dissertation is a rhetorical biography of Ferdinand Canning Scott Schiller (1864-1937), the foremost British proponent of pragmatism at the turn of the previous century. Beyond reconstructing the development and receptions of Schillers thoughts, this dissertation brings the resources of rhetorical criticism to bear and focuses, in particular, on his style and its s....

By Mark Joseph Porrovecchio-Communication: Rhetoric and Communication-University of Pittsburgh-doctoral-2006-10-04
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The focus of this research is the Hongshan period (ca. 45003000 BCE) chiefly community of Fushanzhuang, centered on a group of elite burial mounds and other monuments, located in the Chifeng region of eastern Inner Mongolia. Our purpose was to determine to what degree, if any, inter-household economic specialization (as opposed to ritual specialization) underwrote the e....

By Christian Eric Peterson-Anthropology-University of Pittsburgh-doctoral-2006-10-04
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We apply a Blind Source Separation BSS algorithm to the decorrelation of Mel-warped cepstra. The observed cepstra are modeled as a convolutive mixture of independent source cepstra. The algorithm aims to minimize a cross-spectral correlation at different lags to reconstruct the source cepstra. Results show that using "independent" cepstra as features leads to a reductio....

By Manuel Laura-Electrical Engineering-University of Pittsburgh-masters-2006-10-03
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Clinical evidences have demonstrated the important contribution of biomechanical factors to the behavior of soft tissues. Finite element analysis is used to study the mechanical behavior of biological tissue because it can provide numerical solutions to problems that are intractable to analytic solutions. This dissertation develops a finite element method that includes....

By Zhaochun Yang-Mechanical Engineering-University of Pittsburgh-doctoral-2006-10-03
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There is now considerable evidence that at least some children who later develop schizophrenia differ from those who do not across a variety of behavioral domains. Further clarifying the nature and specificity of such antecedents will inform models of etiology and pre-onset pathophysiology, as well as efforts to develop preventative strategies for psychotic disorders. ....

By Judy Lorraine Thompson-Psychology-University of Pittsburgh-doctoral-2006-10-02
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Bayesian networks (BNs) offer a compact, intuitive, and efficient graphical representation of uncertain relationships among the variables in a domain and have proven their value in many disciplines over the last two decades. However, two challenges become increasingly critical in practical applications of Bayesian networks. First, real models are reaching the size of hu....

By Changhe Yuan-Intelligent Systems-University of Pittsburgh-doctoral-2006-10-02
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Variable selection is a common problem in linear regression. Stepwise methods, such as forward selection, are popular and are easily available in most statistical packages. The models selected by these methods have a number of drawbacks: they are often unstable, with changes in the set of variable selected due to small changes in the data, and they provide upwardly bias....

By Melissa Lynn Ziegler-Statistics-University of Pittsburgh-doctoral-2006-10-02
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Much of the extant literature on marital quality and health has examined marital quality as a static, global construct, measured at a single assessment. However, marital quality is a dynamic construct that fluctuates over time, particularly in the early years of marriage. The purpose of the present study was to evaluate whether changes in overall marital satisfaction an....

By Wendy M. Troxel-Psychology-University of Pittsburgh-doctoral-2006-10-02
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Student Writing, Politics, and Style, 1962-1979 examines personal writings composed by American college students during the 1960s and 70s, a period that corresponds to important developments in U.S. postwar university student activism and in the modern disciplinary history of composition studies. I contend that students experimentation with multiple genres of personal w....

By Chris Warnick-English-University of Pittsburgh-doctoral-2006-10-02
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