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1,327 Matching Results
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Outcomes of Supervisory Communication Competence
The purpose of this study was to investigate the impact of the communication competence of supervisors upon an employee's job satisfaction. Results obtained supported the 5 hypotheses proposed. Findings indicated the importance of supervisory communication responsiveness in areas of listening, sensitivity, and expression of interest in subordinate's ideas and concerns in ensuring satisfaction with supervision received. Support was also generated for the value of an "open" communication climate where continual feedback and idea exchange interact to produce organizational identification. Significant relationships were found to exist between communication climate and dimensions of the JDI: satisfaction with supervisor, work satisfaction, pay satisfaction, satisfaction with promotion opportunities, satisfaction with coworkers. Finally, communication skills training for supervisors was recommended to animate organizational growth and development.
Date:
December 1988
Creator:
Wallace, Sandra K. (Sandra Kay)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Visual Aspects of Internal Correspondence and Their Impact on Communication Effectiveness
Technologists predict that electronic information dissemination will create a paperless work environment. In spite of such predictions, paper-based internal communication will remain the primary medium for disseminating information in organizations for decades to come. However, electronic technology will have an impact on paper information production that may be more profound than changes following word processing's introduction. Previously unavailable for everyday production to enhance word meaning, certain graphic techniques now can be used to access readers' preconditioned symbol meanings to increase comprehension of routine correspondence and information internalization. This quasi-experimental field study examines interactions among laser-printer graphic treatment and communication variables as contributors to explaining variance in comprehension. Set Multiple Regression/Correlation analysis identifies significant variance explained by conditional relationships between near-typeset quality text and readers' self-interest and between near-typeset quality text and text's readability. The conditional relationship of near-typeset quality and self-interest shows increase in reader comprehension at a greater rate than the comprehension increase rate attributed to the reader's self-interest increase alone. This suggests that conditional relationships may be accessing an internal judgment process interpreting greater self-interest in near-typeset printed text. The conditional relationship between near-typeset quality and readability reveals that at more difficult reading levels comprehension is greater for …
Date:
December 1988
Creator:
Sturges, David L. (David Lynn), 1947-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Topics in data adjustment theory and applications
The methodologies of the uncertainty analysis and data adjustment have been well-developed and widely used abroad since the early 70's. With limited amount of covariance data on the differential cross section and the integral experiments available at the time, their accomplishments are, indeed, astounding. The fundamental adjustment equations, however, remain qualitatively unchanged. For the past few year, extensive efforts on these subjects have also begun at ANL in order to utilize the massive amount of integral experiments accumulated over years to provide the basis for improving the reactor parameters encountered in various design calculations. Pertinent covariance matrices and sensitivity matrices of the existing integral experiments have been evaluated and systematically compiled in the data files along with the cross section covariance data derived from the ENDF-B/V for the 21 group structure currently under consideration. A production code GMADJ that provides the adjusted quantities for a large number of cross section types has been developed by Poenitz for routine applications. The primary purpose of the present paper is to improve understanding of the application oriented issues important to the data adjustment theory and the subsequent usage of the adjusted quantities in the design calculations in support of these activities. 30 refs., …
Date:
January 1, 1988
Creator:
Hwang, R.N.
Object Type:
Article
System:
The UNT Digital Library
Test of the second order asymptotic theory with low degree solar gravity modes
Further testing of first and second order asymptotic theory predictions for solar gravity modes is possible with the work of gu and Hill in which the number of classified low-degree gravity mode multiplets was increased from 31 to 53. In an extension of the work where the properties of 31 multiplets were analyzed in the framework of first order asymptotic theory, a new analysis has been performed using the properties of the 53 classified multiplets. The result of this analysis again shows the inadequacy of first order asymptotic theory for describing the eigenfrequency spectrum and clearly demonstrates the necessity of using second order asymptotic theory. 30 refs.
Date:
January 1988
Creator:
Barry, C. T.; Rosenwald, R. D.; Gu, Ye-ming & Hill, H. A.
Object Type:
Article
System:
The UNT Digital Library
Glass mixing theory and tracer study results from the SF-10 run
A general, partial differential equation governing glass mixing in the Slurry Fed Ceramic Melter (SFCM) was derived and a solution obtained based upon certain simplifying assumptions. Tracer studies were then conducted in the SFCM during the SF-10 run to test the theory and characterize glass mixing in this melter. Analysis of the tracer data shows that glass mixing in the SFCM can be explained by use of a model of two, well-mixed tanks in series.
Date:
August 1, 1988
Creator:
Bowman, B. W. & Routt, K. R.
Object Type:
Report
System:
The UNT Digital Library
Theory of e/sup +/e/sup /minus// collisions at very high energy
In these lectures, the array of new phenomena are reviewed which might be discovered in electron-positron reactions conducted at energies well above the Z/degree/. Before beginning a discussion of what new phenomena we might find, or how we might uncover them, the question is addressed of why such a program of research is important. The question of what we should be looking for, and what discoveries will be the most illuminating, as we search for the next layer of fundamental physics is argued. With this background, we can then discuss in some considerable detail the contributions that the study of electron-positron collisions at high energy can make in this search.
Date:
April 1, 1988
Creator:
Peskin, M. E.
Object Type:
Article
System:
The UNT Digital Library
Toward a Theory of Consumer Attitudes Regarding Products of Foreign Origin: a Multiattitude Expectancy-Value Approach
This dissertation focuses generally on consumer behavior, and particularly on consumer attitudes toward products of foreign origin for the purpose of developing a theory that will assist in explaining and predicting this phenomenon. Existing research in the area of country of origin effects upon consumer attitudes toward foreign-made products demonstrates significant methodological limitations such as single cue approaches., The major objective of this dissertation is to contribute to the development of a theory based upon the expectancy-value attitude concept to better explain and predict consumer attitudes toward products of foreign origin. To achieve this objective, the research attempts to overcome the limitations identified in attitude research and specific methodological deficiencies in research focusing on attitudes toward products of foreign origin by: 1. utilizing the expectancy-value approach; 2. basing operationalization of the attitude concepts on Likert-like scales and subjective conditional probabilities; 3. measuring the operationalized attitudes both directly and indirectly via beliefs and evaluations; 4. simultaneously including multiple extrinsic cues; 5. including pictorial cues in the questionnaire; and 6. performing and reporting validity and reliability tests. The general model developed in this research, representing the theory of attitudes toward products of foreign origin is the Foreign Product Attitude Model (FPAM). This …
Date:
May 1988
Creator:
Landeck, Michael
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Inversion of quasi-periodic deviations between low-degree solar gravity mode eigenfrequencies and asymptotic theory eigenfrequencies
The fine structure found by Gu, Hill and Rosenwald between asymptotic theory eigenfrequencies and the observed eigenfrequencies reported by Hill and Gu is interpreted as the result of conditions not being met for the applicability of asymptotic theory at one or more radii in the solar interior. From an inversion of the observed fine structure, reasonably good agreement is obtained between observation and theory for either a localized perturbation in internal structure at r/R approx. 0.06 or at r/R approx. 0.23. The latter solution is, however, the better one. The amplitude of the perturbation in the mean molecular weight required to produce the fine structure is also inferred. 11 refs., 2 figs.
Date:
1988~
Creator:
Hill, Henry A.; Gao, Qiang & Rosenwald, Ross D.
Object Type:
Article
System:
The UNT Digital Library
The Effects of Cognitive Style and Socialization Background on Patterns of Behavior: Integrating Individual Differences (Using the MBTI) with Meadian Socialization Theory
The general purpose of this study is to examine the effects of socialization background and cognitive style on individuals' patterns of behavior. The more specific purpose is to integrate the individual differences factor using the Myers-Briggs Type Indicator with Meadian Theory of Socialization in order to explore the ways in which a group of incarcerated individuals with prior felony and misdemeanor convictions and a group of college students are different regarding their different socialization background and cognitive styles. Data for this study were collected from a university and a county jail in Texas. During the process of data collection, two questionnaires consisting of 117 items were used to measure individual characteristics and elements of socialization background. This study is organized into four different chapters. Chapter I involves a detailed review of related literature, the purpose of the study, stated hypotheses, significance of the study, and limitations. Chapter II discusses methodological procedures and Chapter III presents the findings of the study. The last chapter includes a detailed conclusion and practical implications of the study. The findings in this study indicated that the group of incarcerated individuals and the group of college students are significantly different in terms of their different individual …
Date:
May 1988
Creator:
Nazempooran, Ali
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Purchasing Power Parity and the Efficient Markets: the Recent Empirical Evidence
The purpose of the study is to empirically determine the relevance of PPP theory under the traditional arbitrage and the efficient markets (EPPP) frameworks during the recent floating period of the 1980s. Monthly data was collected for fifteen industrial nations from January 1980 to December 1986. The models tested included the short-run PPP, the long-run PPP, the EPPP, the EPPP with deviations from expectations, the forward rates as unbiased estimators of future spot rates, the EPPP and the forward rates, and the EPPP with forward rates and lagged values. A generalized regression method called Seemingly Unrelated Regression (SUR) was employed to test the models. The results support the efficient markets approach to PPP but fail to support the traditional PPP in both the short term and the long term. Moreover, the forward rates are poor and biased predictors of the future spot rates. The random walk hypothesis is generally supported.
Date:
December 1988
Creator:
Yuyuenyongwatana, Robert P. (Robert Privat)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Proceedings of the Focused Research Program on Spectral Theory and Boundary Value Problems, Vol. 2: Singular Differential Equations
Report on research and exchange of views among 24 mathematicians for investigations of the theory of singular Sturm-Liouville equations, the asymptotic analysis of the Titchmarsh-Weyl m(λ)-coefficient, and the qualitative theory of non-linear differential equations.
Date:
September 1988
Creator:
Kaper, H. G.; Kwong, Man Kam & Zettl, Anton
Object Type:
Report
System:
The UNT Digital Library
Nuclear dissipation and the order to chaos transition
The transition from ordered to chaotic nucleonic motions in the nuclear mean-field potential is reflected in the disappearance of shell effects in nuclear masses and deformations, and in the transition from an elastic, through an elastoplastic, to a dissipative behavior of the nucleus. 23 refs., 10 figs.
Date:
June 1, 1988
Creator:
Swiatecki, W.J.
Object Type:
Article
System:
The UNT Digital Library
Calculation of /sup 235/U(n,n') cross sections for ENDF/B-VI
Cross sections for neutron-induced reactions on /sup 235/U between 0.01 and 20 MeV have been calculated in a preliminary analysis for the ENDF/B-VI evaluation with particular emphasis on neutron inelastic scattering. A deformed optical model potential that fits total, elastic, inelastic, and low-energy average resonance data is used to calculate direct (n,n') cross sections and transmission coefficients for a Hauser-Feshbach statistical theory analysis using a multiple fission barrier representation. Direct cross sections for higher-lying vibrational states are provided from DWBA calculations, normalized using B(E/ital l/) values determined from (d,d') and Coulomb excitation data. Initial fission barrier parameters and transition state density enhancements appropriate to the compound systems involved were obtained from previous analyses, especially fits to charged-particle fission probability data. Further modifications to fit /sup 235/U(n,f) data were small, and the final fission parameters are generally consistent with published values. The results from this preliminary analysis are compared with the ENDF/B-V evaluation as well as with experimental data. 26 refs., 5 figs., 3 tabs.
Date:
January 1, 1988
Creator:
Young, P. G. & Arthur, E. D.
Object Type:
Article
System:
The UNT Digital Library
An Empirical Study on the Use of Promotion in Hospitals
The role of marketing and marketing communication in hospitals has grown in the last decade. The need for hospitals to make careful decisions about their marketing communication efforts is mandated, given the changes taking place in the hospital industry. The purpose of this dissertation was to conduct empirical research to determine whether for-profit and non-profit hospitals perceive and utilize promotion as a marketing strategy element. The two steps taken included: identifying important factors considered by hospital administrators and marketing staff in the development of communication messages designed for patients, hospital staff and medical staff; and testing the factors developed and studying the attitudes of hospital personnel toward promotion using a national sample of hospitals. In phase 1, focus group interviews were conducted in a surrogate for-profit hospital and a surrogate non-profit hospital. In phase 2, an original mail questionnaire was used to collect data from a sample of 80 hospitals. A total of 38 hospitals participated, providing 114 usable responses. Test statistics included content analysis, Chi-Square, Pearson correlation coefficient and Analysis of Variance. The results of the focus group study indicated the practice of marketing in hospitals is in its early growth stages and marketing is viewed as nothing more …
Date:
December 1988
Creator:
Gopalakrishna, Pradeep
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A floating point engine for lattice gauge calculations
The latest in low cost computing solutions from the Fermilab Advanced Computer Program is targeted at Lattice Gauge theory calculations and delivers supercomputer performance at a fraction of the cost. A typical system with 256 processors, 2.5 Gigabytes of memory, and 64 Gigabytes of on-line tape storage, delivers a peak performance of 5 billion floating point operations per second. The programming environment, Canopy, provides a comprehensive, hardware independent, distributed processing platform from within the more familiar environments of FORTRAN, C, and UNIX. This paper describes the individual processing elements of the system and gives a brief description of the Canopy software. 8 refs., 3 figs.
Date:
November 1, 1988
Creator:
Husby, D.; Atac, R.; Cook, A.; Deppe, J.; Fischler, M.; Gaines, I. et al.
Object Type:
Article
System:
The UNT Digital Library
Environmental Scanning Behavior in Physical Therapy Private Practice Firms: its Relationship to the Level of Entrepreneurship and Legal Regulatory Environment
This study examined the effects of entrepreneurship level and legal regulatory environment on environmental scanning in one component of the health services industry, private practice physical therapy. Two aspects of scanning served as dependent variables: (1) extent to which firms scrutinized six environmental sectors (competitor, customer, technological, regulatory, economic, social-political) and (2) frequency of information source use (human vs. written). Availability of information was a covariate for frequency of source use. Three levels of entrepreneurship were determined by scores on the Covin and Slevin (1986) entrepreneurship scale. Firms were placed in one of three legal regulatory categories according to the state in which the firm delivered services. A structured questionnaire was sent to 450 randomly selected members of the American Physical Therapy Association's Private Practice Section. Respondents were major decision makers, e.g., owners, chief executive officers. The sample was stratified according to three types of regulatory environment. A response rate of 75% was achieved (n = 318) with equal representation from each stratum. All questionnaire subscales exhibited high internal reliability and validity. The study used a 3x3 factorial design to analyze the data. Two multivariate analyses were conducted, one for each dependent variable set. Results indicated that "high" entrepreneurial level …
Date:
August 1988
Creator:
Schafer, D. Sue
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Status of the Fermilab lattice supercomputer project
Fermilab has completed construction of a sixteen node (320 megaflop peak speed) parallel computer for lattice gauge theory calculations. The architecture was designed to provide the highest possible cost effectiveness while maintaining a high level of programmability and constraining as little as possible the types of lattice problems which can be done on it. The machine is programmed in C. It is a prototype for a 256 node (5 gigaflop peak speed) computer which will be assembled this winter. 6 refs.
Date:
October 1, 1988
Creator:
Mackenzie, P.; Eichten, E.; Hockney, G.; Thacker, H.B.; Toussaint, D.; Atac, R. et al.
Object Type:
Article
System:
The UNT Digital Library
An essay on discrete foundations for physics
We base our theory of physics and cosmology on the five principles of finiteness, discreteness, finite computability, absolute non- uniqueness, and strict construction. Our modeling methodology starts from the current practice of physics, constructs a self-consistent representation based on the ordering operator calculus and provides rules of correspondence that allow us to test the theory by experiment. We use program universe to construct a growing collection of bit strings whose initial portions (labels) provide the quantum numbers that are conserved in the events defined by the construction. The labels are followed by content strings which are used to construct event-based finite and discrete coordinates. On general grounds such a theory has a limiting velocity, and positions and velocities do not commute. We therefore reconcile quantum mechanics with relativity at an appropriately fundamental stage in the construction. We show that events in different coordinate systems are connected by the appropriate finite and discrete version of the Lorentz transformation, that 3-momentum is conserved in events, and that this conservation law is the same as the requirement that different paths can ''interfere'' only when they differ by an integral number of deBroglie wavelengths. 38 refs., 12 figs., 3 tabs.
Date:
October 5, 1988
Creator:
Noyes, H. P. & McGoveran, D. O.
Object Type:
Article
System:
The UNT Digital Library
Nuclear Science Division annual report, October 1, 1986--September 30, 1987
This report summarizes the activities of the Nuclear Science Division during the period October 1, 1986 to September 30, 1987. A highlight of the experimental program during this time was the completion of the first round of heavy-ion running at CERN with ultrarelativistic oxygen and sulfur beams. Very rapid progress is being made in the analysis of these important experiments and preliminary results are presented in this report. During this period, the Bevalac also continued to produce significant new physics results, while demand for beam time remained high. An important new community of users has arrived on the scene, eager to exploit the unique low-energy heavy-beam capabilities of the Bevalac. Another major highlight of the program has been the performance of the Dilepton Spectrometer which has entered into production running. Dileptons have been observed in the p + Be and Ca + Ca reactions at several bombarding energies. New data on pion production with heavy beams measured in the streamer chamber to shed light on the question of nuclear compressibility, while posing some new questions concerning the role of Coulomb forces on the observed pion spectra. In another quite different area, the pioneering research with radioactive beams is continuing and …
Date:
September 1, 1988
Creator:
Mahoney, J. (ed.)
Object Type:
Report
System:
The UNT Digital Library
The application of light-cone quantization to quantum chromodynamics in one-plus-one dimensions
Formal and computational aspects of light cone quantization are studied by application to quantum chromodynamics (QCD) in one spatial plus one temporal dimension. This quantization scheme, which has been extensively applied to perturbative calculations, is shown to provide an intuitively appealing and numerically tractable approach to non-perturbative computations as well. In the initial section, a light-cone quantization procedure is developed which incorporates fields on the boundaries. This allows for the consistent treatment of massless fermions and the construction of explicitly conserved momentum and charge operators. The next section, which comprises the majority of this work, focuses on the numerical solution of the light-cone Schrodinger equation for bound states. The state space is constructed and the Hamiltonian is evaluated and diagonalized by computer for arbitrary number of colors, baryon number and coupling constant strength. As a result, the full spectrum of mesons and baryons and their associated wavefunctions are determined. These results are compared with those which exist from other approaches to test the reliability of the method. The program also provides a preliminary test for the feasibility of, and an opportunity to develop approximation schemes for, an attack on three-plus-one dimensional QCD. Finally, analytic results are presented which include a …
Date:
December 1, 1988
Creator:
Hornbostel, K.J.
Object Type:
Report
System:
The UNT Digital Library
Alaskan Native Social Integration and Academic Achievement
The variables communication skills, state anxiety, communication apprehension, and level of integration are studied in relation to the assimilation of Alaskan Natives into a western-culture university. Specifically, the differences in communication skills between the two cultures and their effects on course grades are addressed. Results of the statistical analyses (ANOVA, MANOVA, discriminant function analysis, multiple regression) were not significant, most likely due to the small Alaskan Native sample size. The most significant relationship appeared between situational communication apprehension and the ethnicity of the interaction partner. Other results were directional, indicating that variables may be related to assimilation of Native students into a western university environment. Further research and replication is warranted, using an adequate sample of Alaskan Natives.
Date:
December 1988
Creator:
Strohmaier, Mahla
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Crossbar switch backplane and its application
A crossbar switch backplane design (Bus Switch Backplane) based on TI's crossbar switch chip is described. This backplane holds a maximum of 16 modules and allows simultaneous communications between up to 8 pairs of modules. The aggregate data transfer rate on the backplane is 160 Mbyte/sec. The Bus Switch Backplane is an essential part of the ACP Multi Array Processor, a supercomputer for site oriented problems. The first application of this machine is in Lattice Gauge Theory calculations. The Bus Switch Backplane also finds ready application in data acquisition schemes based on the ACP multi-microprocessor system. 4 refs., 8 figs.
Date:
November 1, 1988
Creator:
Atac, R.; Cook, A.; Deepe, J.; Fischler, M.; Gaines, I.; Husby, D. et al.
Object Type:
Article
System:
The UNT Digital Library
The GNASH preequilibrium-statistical nuclear model code
The following report is based on materials presented in a series of lectures at the International Center for Theoretical Physics, Trieste, which were designed to describe the GNASH preequilibrium statistical model code and its use. An overview is provided of the code with emphasis upon code's calculational capabilities and the theoretical models that have been implemented in it. Two sample problems are discussed, the first dealing with neutron reactions on /sup 58/Ni. the second illustrates the fission model capabilities implemented in the code and involves n + /sup 235/U reactions. Finally a description is provided of current theoretical model and code development underway. Examples of calculated results using these new capabilities are also given. 19 refs., 17 figs., 3 tabs.
Date:
January 1, 1988
Creator:
Arthur, E. D.
Object Type:
Article
System:
The UNT Digital Library
Computer Realization of Human Music Cognition
This study models the human process of music cognition on the digital computer. The definition of music cognition is derived from the work in music cognition done by the researchers Carol Krumhansl and Edward Kessler, and by Mari Jones, as well as from the music theories of Heinrich Schenker. The computer implementation functions in three stages. First, it translates a musical "performance" in the form of MIDI (Musical Instrument Digital Interface) messages into LISP structures. Second, the various parameters of the performance are examined separately a la Jones's joint accent structure, quantified according to psychological findings, and adjusted to a common scale. The findings of Krumhansl and Kessler are used to evaluate the consonance of each note with respect to the key of the piece and with respect to the immediately sounding harmony. This process yields a multidimensional set of points, each of which is a cognitive evaluation of a single musical event within the context of the piece of music within which it occurred. This set of points forms a metric space in multi-dimensional Euclidean space. The third phase of the analysis maps the set of points into a topology-preserving data structure for a Schenkerian-like middleground structural analysis. This …
Date:
August 1988
Creator:
Albright, Larry E. (Larry Eugene)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library