UNT Theses and Dissertations - 21,350 Matching Results

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Steady-state and Dynamic Probe Characteristics in a Low-density Plasma

Description: The problem with which this investigation is concerned is that of determining the steady-state and dynamic characteristics of the admittance of a metallic probe immersed in a laboratory plasma which has the low electron densities and low electron temperatures characteristic of the ionospheric plasma. The problem is separated into three related topics: the design and production of the laboratory plasma, the measurement of the steady-state properties of dc and very low frequency probe admittance,… more
Date: December 1970
Creator: Bunting, William David
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The Effect of Different Forms of Accounting Feedback, Cost Aggregation and Pricing Knowledge on Profitability and Profit Estimation

Description: This study extends a research stream calling for further research regarding pricing and accounting feedback. Marketing executives rely heavily on accounting information for pricing decisions, yet criticize accounting feedback usefulness. To address this criticism, this research integrates the cognitive psychology and accounting literature addressing feedback effectiveness with pricing research in the marketing discipline. The research extends the scope of previous accounting feedback studies by… more
Date: May 1997
Creator: Smith, David M., 1961-
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Contours

Description: Contours is scored for full wind ensemble and percussion, and is approximately nine minutes in length. The title refers to the way melodic shape or contour is used to create unity and variety in the piece. Contours is a single-movement work containing three sections that are unified by thematic and harmonic materials. The melodic material is generated by three twelve-tone rows, which are then used in combination with freely composed material. The first and last sections are highly contrapuntal … more
Date: August 1994
Creator: Hughes, Russell M., 1954-
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Reciprocal Influences of Temperature and Copper on Fathead Minnows (Pimephales promelas)

Description: Acclimation temperature had a significant effect on the lethality of copper to fathead minnows in replicated 96-hour lethality tests. Lowest median lethal copper concentrations (LC50) were recorded at 12 and 22°C, with LC50s at 5 and 32°C at least 140 μg/1 higher. This research found LC50 copper concentrations in the 300 to 500 μg/1 range and a polynomial relationship between LC50s and acclimation temperature. Following a 24-hour exposure to three sublethal concentrations of copper, critical th… more
Date: May 1994
Creator: Richards, Virginia L. (Virginia Lynn)
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A Theoretical Framework of Organizational Pluralism: an Analysis of the Organizational Dimensions of Substance Abuse Programs in Selected Private Sectarian Institutions of Higher Education in Texas

Description: The researcher examined a relatively unexplored and limited territory dealing with higher education organizational pluralism pertaining to particalized substance abuse programs in private sectarian institutions of higher learning with student populations of under five thousand. The conceptual framework, which was a recapitulation of Lee G. Bolman and Terrence E. Deal's (1984) "multifaceted lens," applied to the human resource framework, the structural framework, the symbolic/cultural framework … more
Date: May 1993
Creator: Davis, Beth, 1948-
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Toward the Development of Information Technology Variables to Help Predict Organizational Structure

Description: There is a growing awareness that information technology plays a critical role in helping determine organizational structure. Unfortunately, that role has not been adequately defined. This study provides a foundation for an increase in our understanding of the relationship between information technology and organizational structure by defining a new set of information technology variables and identifying differences in organizational structure based on these new variables.
Date: May 1995
Creator: Sweo, Robert (Robert Edward)
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Retrospective Evaluation of Malingering: A Validational Study of the R-SIRS and CT-SIRS

Description: Empirically based methods of detecting retrospective malingering (i.e., the false assertion or exaggeration of physical or psychological symptoms reportedly experienced during a prior time period) are needed given that retrospective evaluations are commonplace in forensic assessments. This study's main objective was to develop and validate a focused, standardized measure of retrospective malingering. This objective was addressed by revising the Structured Interview of Reported Symptoms (SIRS), … more
Date: August 1999
Creator: Goodness, Kelly R.
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Parents' Divorce Affect upon Children: Mothers' Perceptions

Description: This study will attempt to identify the reported problem behavior in children impacted by parental divorce. Further, it will try to determine whether pre-divorce interparental conflict, time spent with the mother, and the mother's adjustment affects the problem behavior reported for children. The following analytic techniques will be used: frequency distributions, t-tests, correlations, and regression.
Date: December 1995
Creator: Grubbs, Jerianne C. (Jerianne Christina)
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The Relationships Among a Reading Guidance Program and the Reading Attitudes, Reading Achievement, and Reading Behavior of Fifth Grade Children in a North Louisiana School

Description: The purpose of this study was to determine whether or not the introduction of a regular librarian-centered reading guidance program as an integral part of the entire school program would improve the reading attitudes and habits of elementary school students and increase the reading achievement scores on a standardized test of elementary school students. In addition, the reading attitudes of students were compared with reading achievement scores to assess any relationship between the two.
Date: August 1986
Creator: Mosley, Mattie Jacks
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International Economic Dependency and Human Development in Third World Countries

Description: This study empirically tested the two competing development theories--modernization and dependency/world-system. Theoretical and methodological approaches suggested by these two paradigms offer opposing interpretations of the incorporation of the Third World countries into the world capitalist system. Therefore, they provide conflicting and, at times, confusing guidelines on the ways available to enhance the well-being of the general populations in these countries. To shed light on the subject … more
Date: August 1996
Creator: Javidan Darugar, Mohammad Reza
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On Chaos and Anomalous Diffusion in Classical and Quantum Mechanical Systems

Description: The phenomenon of dynamically induced anomalous diffusion is both the classical and quantum kicked rotor is investigated in this dissertation. We discuss the capability of the quantum mechanical version of the system to reproduce for extended periods the corresponding classical chaotic behavior.
Date: August 1998
Creator: Stefancich, Marco
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Locational Determinants of Real Estate Valuation: an Analysis of Spatial Autocorrelation in the Hedonic Pricing of Real Estate

Description: Recent studies of the valuation of real estate have concentrated on the use of hedonic pricing techniques in which the implicit prices of the component characteristics of an asset are inferred from the observed sale price using regression analysis. All of these studies include as explanatory variables one or more locational factors, such as distance to the central business district, as proxies for the effect that location has on the utility of land. In this research, the explicit consideration … more
Date: May 1992
Creator: Shampton, John F.
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The Relationship of Assertiveness and Bulimia to Psychological Separation

Description: The purpose of this study was to examine how parental separation is related to eating disturbances and assertiveness in females who struggle with bulimic symptoms. Two-hundred ninety-two undergraduate females from the University of North Texas comprised the subject group. Using pen and paper measures of assertiveness, bulimia, and parental separation, support was found for the prediction that there would be a relationship between assertiveness and parental separation. Likewise, partial support … more
Date: August 1995
Creator: O'Loughlin, Mary Ann, 1957-
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Life History of Mayatrichia ponta Ross (Trichoptera: Hydroptilidae) in Honey Creek, Turner Falls Park, Oklahoma

Description: The life history and ontogenetic microhabitat change of Mayatrichia ponta Ross were investigated in Honey Creek, Turner Falls Park, Murray Co., Oklahoma, U.S.A. from August 1994 to August 1995. The shape of larval cases changed from a small cone to a cylinder. M. ponta had an asynchronous multivoltine life history with considerable cohort and generation overlap; five generations were estimated. The development rate was reduced in winter. The winter generations of M. ponta had wider head capsule… more
Date: December 1997
Creator: Wang, Yi-Kuang
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A Meta-Analysis of Burnout and Occupational Stress

Description: The relationship between occupational stress and burnout was investigated through a meta-analysis of 81 studies and 364 correlations. Occupational stress was measured by role conflict, role ambiguity, workload, cumulative role stress, job specific stress/stressors, and work setting characteristics. Burnout was measured by the Maslach Burnout Inventory, 1981 and 1986 versions, emotional exhaustion, depersonalization, and reduced personal accomplishment components of burnout, measures of tedium, … more
Date: August 1999
Creator: Collins, Vivian A.
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The Wealth Effect of the Risk-Based Capital Regulation on the Commercial Banking Industry

Description: The purpose of this study is to examine the wealth effect of the Risk-Based Capital (RBC) regulation on the U.S. commercial banking industry. The RBC plan was first proposed in January 1986, and its final form was announced on July 11, 1988. This plan resulted from dissatisfaction with the old capital regulation, which did not account for asset risk and off-balance sheet activities. The present study hypothesizes that the new regulation restricted bank optimal behavior and, therefore, adversely… more
Date: August 1994
Creator: Zoubi, Marwan M. Sharif (Marwan Mohd Sharif)
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The Course Content of Life, Earth, and Physical Science Programs in Selected Texas Junior High Schools

Description: The purpose of the study was to determine the agreement between reported levels of emphasis of course content topics suitable for the junior high school and the optimum level of emphasis as it was recommended by Texas science supervisors and national science education specialists.
Date: May 1968
Creator: Moore, Joe M.
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A Content Analysis of Case Studies in Childhood Selective Mutism

Description: The problem of this study was to provide a more comprehensive and accurate profile of various aspects of selective mutism—family atmosphere/dynamics, aetiology and manifestations of mutism, usages and outcomes of therapeutic approaches, and a profile of the affected child—and to provide a more comprehensive and consistent basis to guide effective treatment strategies and facilitate additional research. A content analysis of case studies of selective mute children completed from 1929-1994 was us… more
Date: August 1995
Creator: Van der Smissen, Gayle L. (Gayle Lynn)
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The Dostoevskyan Dialectic in Selected North American Literary Works

Description: This study is an examination of the rhetorical concept of the dialectic as it is realized in selected works of North American dystopian literature. The dialectic is one of the main factors in curtailing enlightenment rationalism which, taken to an extreme, would deny man freedom while claiming to bestow freedom upon him. The focus of this dissertation is on an analysis of twentieth-century dystopias and the dialectic of Fyodor Dostoevsky's Grand Inquisitor parable which is a precursor to dystop… more
Date: December 1995
Creator: Smith, James Gregory
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An Analysis of the Incremental Information Gain in Combining Economic, Socio-Political, and Joint-Decision Characterizations in a Study of Accounting Choice: the Case of SFAS 106

Description: Typical accounting studies attempting to explain accounting method choice employ positive theoretical hypotheses and test for association between adoption method or adoption timing and economic measures that focus upon specific firm stakeholders. Such studies addressing the adoption and impact of SFAS 87, "Employer's Accounting for Pensions," yield mixed and contradicting results. Various researchers have suggested that traditional economic analysis often fails to capture important explanatory … more
Date: August 1996
Creator: Baker, Pamela Smith (Pamela Smith Elaine)
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A Partial Analysis of Adult Students in the Public Four Year Institutions in Oklahoma

Description: The primary purpose of this study was to identify and secure perceptions of what personal and institutional factors influenced and attracted adult students to enroll in four year institutions in Oklahoma. The secondary purpose was to compare student responses by institution. The more notable findings include: (1) dominant personal factors as to why adult students in this study returned to college were reportedly to improve/advance themselves, especially as it relates to their career; (2) flexib… more
Date: May 1996
Creator: Hatcher, Wayne (Wayne Robert)
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Computational Complexity of Hopfield Networks

Description: There are three main results in this dissertation. They are PLS-completeness of discrete Hopfield network convergence with eight different restrictions, (degree 3, bipartite and degree 3, 8-neighbor mesh, dual of the knight's graph, hypercube, butterfly, cube-connected cycles and shuffle-exchange), exponential convergence behavior of discrete Hopfield network, and simulation of Turing machines by discrete Hopfield Network.
Date: August 1998
Creator: Tseng, Hung-Li
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