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Adolescent Goals and Their Reports of What They do to Achieve Those Goals
Twenty-five adolescents' ranking of a set of equally highly valued goals on a Paired-comparisons Survey was compared with what adolescents say they are doing to achieve those goals. Results of the Paired-comparisons Survey showed that adolescents ranked career, interpersonal, and educational goals rather high and reputation and self-presentation goals rather low. Results analyzed with a contingency coefficient and biserial correlation indicated that not all number one ranked goals had the same value for a particular adolescent, and that number one ranked goals were correlated with verbal reports of concrete actions directed at achieving those goals.
Date:
May 2000
Creator:
Lucky, Derek
System:
The UNT Digital Library
Analysis and Development of Post Secondary Curriculum on Sustainability
This thesis examines existing curricula at colleges and universities about sustainability and uses results to develop an introductory post secondary course curriculum. The proposed course is organized around three major elements - - science, philosophy, and economics - - all integral to understanding sustainability. Materials needed to teach the proposed 3-semester hour course including syllabus, teaching modules, transparencies, handouts, and exams were developed. Suggestions on how to teach a one-semester hour course on sustainability and a workshop on sustainability are also presented. The following research and curriculum development was a project established and funded by the Texas Energy Office, Renewable Resources and Sustainability Program.
Date:
May 2000
Creator:
White, Miki Machell
System:
The UNT Digital Library
An Analytical Study of the Variations on the Theme of Paganini's Twenty-Fourth Caprice, Op. 1 by Busoni, Friedman, and Muczynski
The purpose of this study is to analyze sets of variations on Paganini's theme by three twentieth-century composers: Ferruccio Busoni, Ignaz Friedman, and Robert Muczynski, in order to examine, identify, and trace different variation techniques and their applications. Chapter 1 presents the purpose and scope of this study. Chapter 2 provides background information on the musical form "theme and variations" and the theme of Paganini's Twenty-fourth Caprice, Op. 1. Chapter 2 also deals with the question of which elements have made this theme so popular. Chapters 3,4, and 5 examine each of the three sets of variations in detail using the following format: theme, structure of each variation, harmony and key, rhythm and meter, tempo and dynamics, motivic development, grouping of variations, and technical problems. Chapter 6 summarizes the findings from this study and attempts to compare those elements among the three variations. Special attention is given to the application of the motivic cells, which are drawn from the original Paganini theme, in the development of succeeding variations. This study shows how these motivic cells contribute to the construction of new motives and melodies in each variation. Additionally, this study attempts to examine each composer's efforts in expanding variation procedure …
Date:
May 2000
Creator:
Ahn, Kwang Sun
System:
The UNT Digital Library
Anatomy and Physiology Syllabus for Community Colleges
This syllabus includes both lecture notes and laboratory activities for a two-semester anatomy and physiology community college course. The syllabus is based on a 16-week semester that is comprised of a three-hour lecture section and a one-hour laboratory class each week. Both the lecture course and laboratory are necessary to fulfill the requirement for anatomy and physiology. Laboratory activities coincide with lectures to enhance understanding of each topic by providing visual and hands-on experiments for the concepts learned in the lecture. Laboratory quizzes will be given each week to help students maintain a working knowledge of the material learned in the laboratory. This course is appropriate for the typical anatomy and physiology student and should benefit both students who plan to major in biology and also those who are non-biology majors. Because subject matter in anatomy and physiology is quite difficult, the importance of attendance and good study skills is stressed.
Date:
May 2000
Creator:
Schulz, Leslie
System:
The UNT Digital Library
Assessing Learning Disabilities: Effectiveness of the Symbol Language and Communication Battery (SLCB)
This study examined whether the Symbol Language and Communication Battery (SLCB), a measure of learning disabilities (Lds), could identify children with Lds. In addition, possible behavioral differences were examined between unidentified and identified children. Eighty-five students (26 with school identified Lds; 59 unidentified) in the 4th and 5th grade participated in the study. Results indicated that the SLCB has good potential as a supplemental/screening measure of Lds. The SLCB was most effective in identifying children when SLCB diagnoses were restricted to the areas of reading, math, and writing. This study also found that teachers reported more behavioral problems in children with an SLCB diagnosis than children without a diagnosis, whereas unidentified children with SCLB diagnoses reported more behavioral problems than identified children.
Date:
May 2000
Creator:
Schraufnagel, Caitlin D.
System:
The UNT Digital Library
Beyond the Human Voice: Francis Poulenc's Psychological Drama La Voix humaine (1958)
Francis Poulenc's one-character opera La Voix humaine (1958), a setting of the homonymous play by Jean Cocteau, explores the psychological complexities of an unnamed woman as she experiences the end of a romantic relationship. During the forty-minute work, she sings in a declamatory manner into a telephone, which serves as a sign of the unrevealed man at the other end. Poulenc uses musical motives to underscore the woman's changing emotional states as she recalls her past relationship. The musical dramaturgy in this work resignifies Debussy's impressionist symbolism by collapsing devices used in Pelléas et Mélisande in a language that shifts between octatonicism, chromaticism, harmonic and melodic whole tone passages, and diatonicism. This late work recontextualizes elements in Poulenc's Dialogues des Carmélites (1953-56), and the end of the opera provides a theme for his Sonate pour Clarinet et Piano(1962), as Poulenc reflects on his youthful encounters with Cocteau, Erik Satie, and Les Six.
Date:
May 2000
Creator:
Beard, Cynthia C.
System:
The UNT Digital Library
Body Matters: Gary Snyder, The Self and Ecopoetics
Gary Snyder has offered, in poems and essays, ways to acknowledge the interrelationships of humans with the more-than-human. He questions common notions of selfness as well as understandings of what it is to be human in relationship to other species and ecosystems, and he offers new paradigms for the relationship between cultures and the ecosystems in which these cultures reside. These new paradigms are rooted in a reevaluation of our attitudes toward our physical bodies which impacts our relationship to the earth and raises new possibilities for an ecological spirituality or philosophy. The sum of Snyder's endeavors is a foundation for an understanding of ecopoetics. Snyder's poem "The Trail is Not a Trail" is an interesting place to begin examining how human perceptions of the self are central to the kinds of relationships that humans believe are possible between our species and everything else. In this poem there is a curious fusion of the speaker and the trail. In fact, with each successive line they become increasingly difficult to separate. The physical self is central to Snyder's poetry because his is a poetry of the self physically rooted in ever-shifting relationship with the biosphere. The relationship of the self to …
Date:
May 2000
Creator:
Murray, Matthew
System:
The UNT Digital Library
Calling Up the Dead
Calling Up the Dead is a collection of seven short stories which all take place over the final hours of December 31, 1999 and the first few hours of January 1, 2000. The themes of time, history, and the reactions toward the new millennium (positive, negative, indifferent) of a variety of cultures are addressed. Each of the six major continents has a story, along with its cultural perspective, delivered by narrators both young and old, three female, three male and one balcony.
Date:
May 2000
Creator:
Weaver, Brett
System:
The UNT Digital Library
The Categorization and Use of Three Dimensional Computer Generated Special Effects in Film
There has been a growing trend in the film industry in the use of three dimensional computer generated images (3D CGI) for special effects. With the popularity of this relatively new medium comes the need for new terminology. This exploration developed a general system of classification for 3D CGI effects for use in film. This system was based on a study of various writings about the significant films, which employ 3D CGI effects. A three-group system of classification system was developed. The three-group system was composed of the Elements Group, Level of Reality Group, and the Kind Group. These terms were developed to aid in the day-to-day production of 3D CGI special effects in the future.
Date:
May 2000
Creator:
Johnson, Charlie
System:
The UNT Digital Library
Charge Collection Studies on Integrated Circuit Test Structures using Heavy-Ion Microbeams and MEDICI Simulation Calculations
Ion induced charge collection dynamics within Integrated Circuits (ICs) is important due to the presence of ionizing radiation in the IC environment. As the charge signals defining data states are reduced by voltage and area scaling, the semiconductor device will naturally have a higher susceptibility to ionizing radiation induced effects. The ionizing radiation can lead to the undesired generation and migration of charge within an IC. This can alter, for example, the memory state of a bit, and thereby produce what is called a "soft" error, or Single Event Upset (SEU). Therefore, the response of ICs to natural radiation is of great concern for the reliability of future devices. Immunity to soft errors is listed as a requirement in the 1997 National Technology Roadmap for Semiconductors prepared by the Semiconductor Industry Association in the United States. To design more robust devices, it is essential to create and test accurate models of induced charge collection and transport in semiconductor devices. A heavy ion microbeam produced by an accelerator is an ideal tool to study charge collection processes in ICs and to locate the weak nodes and structures for improvement through hardening design. In this dissertation, the Ion Beam Induced Charge Collection …
Date:
May 2000
Creator:
Guo, Baonian
System:
The UNT Digital Library
Comparative Models of the Impact of Social Support on Psychological Distress in Cancer Patients
This study tested the relationship between Social Support, Psychological Distress, and Illness Stress in individuals who report cancer as a health condition. This study was based on archival data obtained from the Wave 1 of the Health and Retirement Study (HRS). The HRS provides a nationally representative sample of individuals aged 51 to 61 in 1992 and their spouses. The study sample was limited to cancer patients with a spouse or partner (n = 503). A structural equation modeling analysis procedure was used to test the theoretical models. Measures of social support were limited to variables assessing the participant's satisfaction with social support. Evidence was found for the Stress Prevention and the Support Deterioration models. This is congruent with previous research using measures of social support perception. Both the Stress Prevention and the Support Deterioration models predict a negative relationship between Illness Stress and Social Support. In addition, a univariate analysis of variance was used to test the stress buffering model. Similarly to other studies measuring the individual's degree of integration, or its perception, in the social network, the present research supported the only the Main Effect model and not the Stress Buffering model.
Date:
May 2000
Creator:
Forjaz, Maria João Bettencourt Pereira
System:
The UNT Digital Library
A Comparison Study of Individual and Group Play Therapy In Treating Kindergarten Children with Adjustment Problems
This study was designed to determine the effectiveness of individual child-centered play therapy in the elementary school in: 1) enhancing the self-concept of kindergarten children who are experiencing adjustment difficulties; 2) decreasing the overall behavioral problems of kindergarten children experiencing adjustment difficulties 3) decreasing externalizing behavior problems such as aggression and delinquency of kindergarten children experiencing adjustment difficulties; 4) decreasing the internalizing behavior problems such as withdrawal, somatic complaints, anxiety and depression of kindergarten children experiencing adjustment difficulties; 5) increasing parental perception of change in the problematic behaviors of kindergarten children experiencing adjustment difficulties; and 6) enhancing self-control in kindergarten children experiencing adjustment difficulties. A secondary objective was to compare the participants involved in individual child-centered play therapy with participants in a previous study who were involved in child-centered group play therapy on the above named dimensions. The experimental group, consisting of 14 kindergarten children experiencing adjustment difficulties, received 10-12, 30-minute individual play therapy sessions in a 12 week period in their elementary school. The comparison group, utilized from the 1999 McGuire study, consisted of 15 children with adjustment problems and received 12-14, 45-minute group play therapy sessions in 14 weeks in their elementary school. The control group, consisting of …
Date:
May 2000
Creator:
Rennie, Robyn Lynette
System:
The UNT Digital Library
The Correlation Between a General Critical Thinking Skills Test and a Discipline Specific Critical Thinking Test For Associate Degree Nursing Students
In 1997, NLNAC added critical thinking as a required outcome for accreditation of associate degree nursing (ADN) programs. Until recently general critical thinking tests were the only available standardized critical thinking assessment tools. The emphasis has shifted to discipline specific tools. This concurrent validity study explored the correlation between two critical thinking tests, a general skills test, the California Critical Thinking Skills Test (CCTST) and a discipline specific test, the Arnett Critical Thinking Outcome Evaluation (CTOE). Both tests are based on the same definition of critical thinking. The CCTST, developed in 1990, covers discipline neutral content in multiple choice items. The CTOE, a free entry, written response test developed in 1998, assesses critical thinking in nursing situations using a partial credit model. A convenience sample of 434 sophomore ADN students from 9 programs in Texas completed the demographic survey and critical thinking tests in 1999. The sample was 87.9% female and 74.2% Caucasian, with a mean age of 31, mean GPA of 3.13, mean 3.7 years healthcare employment experience, mean CCTST score of 15.0023 and mean CTOE of 82.69. The sample also included 22.4% current LVNs, 15.7% with prior degrees and 53.5% in the first generation of their family to …
Date:
May 2000
Creator:
Reid, Helen
System:
The UNT Digital Library
Creating a Criterion-Based Information Agent Through Data Mining for Automated Identification of Scholarly Research on the World Wide Web
This dissertation creates an information agent that correctly identifies Web pages containing scholarly research approximately 96% of the time. It does this by analyzing the Web page with a set of criteria, and then uses a classification tree to arrive at a decision. The criteria were gathered from the literature on selecting print and electronic materials for academic libraries. A Delphi study was done with an international panel of librarians to expand and refine the criteria until a list of 41 operationalizable criteria was agreed upon. A Perl program was then designed to analyze a Web page and determine a numerical value for each criterion. A large collection of Web pages was gathered comprising 5,000 pages that contain the full work of scholarly research and 5,000 random pages, representative of user searches, which do not contain scholarly research. Datasets were built by running the Perl program on these Web pages. The datasets were split into model building and testing sets. Data mining was then used to create different classification models. Four techniques were used: logistic regression, nonparametric discriminant analysis, classification trees, and neural networks. The models were created with the model datasets and then tested against the test dataset. Precision …
Date:
May 2000
Creator:
Nicholson, Scott
System:
The UNT Digital Library
Decision Making Factors in Child Caregiver Reporting of Child Abuse and Neglect
This study investigated decision making factors used by child caregivers to identify suspected child abuse and neglect and collected data on caregiver training in the recognition and reporting of suspected child abuse and neglect. Data was collected in July 1999 in fourteen north Texas childcare programs. One hundred twenty three teaching and administrative staff completed a survey based on Jacobson, A., Glass, J. and Ruggiere, P. (1998). Five teachers and five administrators chosen for convenience were read eleven vignettes describing possibly abusive situations to decide whether they were reportable or non-reportable, and to indicate factors used to make their decisions. Administrators (50%) and teachers (13.3%) reported being unfamiliar with child abuse and neglect definitions and reporting laws. Two thirds (66.7%) of the administrators and 39.8% of the teachers had received specific training in recognizing and reporting child abuse and neglect. Administrators were more likely than teachers to report suspected child abuse and neglect. Teachers often reported to program administrators rather than state designated authorities. All subjects relied on information about children, but administrators also used information about parents, with teachers more likely to make excuses for parental actions. With 110 reporting opportunities, training was cited as a factor only twice …
Date:
May 2000
Creator:
Hagen, Carol Kellerman
System:
The UNT Digital Library
The Design and Implementation of an Intelligent Agent-Based File System
As bandwidth constraints on LAN/WAN environments decrease, the demand for distributed services will continue to increase. In particular, the proliferation of user-level applications requiring high-capacity distributed file storage systems will demand that such services be universally available. At the same time, the advent of high-speed networks have made the deployment of application and communication solutions based upon an Intelligent Mobile Agent (IMA) framework practical. Agents have proven to present an ideal development paradigm for the creation of autonomous large-scale distributed systems, and an agent-based communication scheme would facilitate the creation of independently administered distributed file services. This thesis thus outlines an architecture for such a distributed file system based upon an IMA communication framework.
Date:
May 2000
Creator:
Hopper, S. Andrew
System:
The UNT Digital Library
The Effect of Mode and Intensity on Vo2 Kinetics in the Severe Intensity Domain
The purpose of this study was to evaluate the effect of mode and intensity on VO2 kinetics in the severe intensity domain. Seventeen participants completed 3-7 tests each on a cycle ergometer and treadmill. For each test, Tfatigue, VO2max, Tmean response, VO2GAIN, TVO2max and T@VO2max were determined. Linear regression techniques were used to describe the relationship between TVO2max and Tfatigue . VO2max values were higher in running. The VO2 response profile was faster for running than cycling and faster at higher intensities. The faster VO2 response in running may be associated with larger active muscle mass or differences in muscle activation patterns. The faster response at higher intensities may suggest that VO2 response is driven by O2 demand.
Date:
May 2000
Creator:
Updyke, Rhonda S.
System:
The UNT Digital Library
The Effect of Three Different Levels of Skill Training in Musical Timbre Discrimination on Alphabet Sound Discrimination in Pre-Kindergarten and Kindergarten Children
The purpose of this study was to investigate the effects of three different levels of skill training in musical timbre discrimination on alphabet sound discrimination in pre-kindergarten and kindergarten children. The findings of prior investigations indicated similarities between aural music and language perception. Psychoacoustic and neurological findings have reported the discrimination of alphabet quality and musical timbre to be similar perceptual functions and have provided, through imaging technology, physical evidence of music learning simultaneously stimulating non-musical areas of the brain. This investigator hypothesized that timbre discrimination, the process of differentiating the characteristic quality of one complex sound from another of identical pitch and loudness, may have been a common factor between music and alphabet sound discrimination. Existing studies had not explored this relationship or the effects of directly teaching for transfer on learning generalization between skills used for the discrimination of musical timbre and alphabet sounds. Variables identified as similar from the literature were the discrimination of same- different musical and alphabet sounds, visual recognition of musical and alphabet pictures as sound sources, and association of alphabet and musical sounds with matching symbols. A randomized pre-post test design with intermittent measures was used to implement the study. There were 5 …
Date:
May 2000
Creator:
Battle, Julia Blair
System:
The UNT Digital Library
Effectiveness of a Child-Centered Self-Reflective Play Therapy Supervision Model
This study investigated the effectiveness of a child-centered self-reflective play therapy supervision model with master's level counselor education graduate students. Specifically, this research determined if the self-reflective play therapy supervision model facilitated significant change in the master's level play therapists': (a) child-centered attitude; (b) knowledge of child-centered play therapy; and (c) confidence in applying play therapy skills. This study also measured change in the skills of: (d) tracking behavior, (e) reflecting content, (f) reflecting feelings, (g) facilitating decision-making and self-responsibility, (h) facilitating esteem-building and encouragement, (i) encouraging the child to lead, (j) setting limits, (k) ability to be congruent, (l) quality of non-verbal responses and (m) quality of verbal responses. The experimental group students (N=15) utilized a 15 week self-reflective play therapy supervision model. This model consisted of a manual that reviewed the rationale and utilization of six therapeutic responses of child-centered play therapy, self-assessment forms that were completed after reviewing weekly play therapy session videos and weekly group supervision. The control group (N=15) received supervision during the 15 weeks but did not use the manual or the self-assessment forms. Prior to working with their first client and again at the end of the semester practicum, the play therapy supervisees …
Date:
May 2000
Creator:
Giordano, Maria A.
System:
The UNT Digital Library
Effects of a Simulation Game on Trainees' Knowledge and Attitudes About Age-related Changes in Learning and Work Behaviors of Older Workers
This investigation was conducted in response to the need for effective diversity awareness programs to help employers create intergenerational-friendly work environments. An experimental pre- and post-test control group randomized block design was employed to answer two research questions about the effects of a simulation game on knowledge and attitudes about age-related changes in learning and work behaviors of older workers. Participants were assessed immediately prior to and following the treatment, followed by a third assessment 60 days later. Necessary measures were taken to control for threats to the study's internal validity. An applicant pool comprised of human resource management and development practitioners and senior undergraduate students enrolled in human resource management courses yielded a sample of 65 participants. Chapter one introduces the study. Chapter two provides a review and summary of relevant literature on ageism in the workplace, training older workers, and simulation games. Chapter three describes the procedures and methods used to answer the research questions. Chapter four presents the results of all analytic procedures related to the investigation. Chapter five provides the conclusions and recommendations based on the findings of this investigation. In this investigation, the treatment group did not score significantly higher on their knowledge of age-related …
Date:
May 2000
Creator:
Dunn, Suzanne
System:
The UNT Digital Library
Effects of Daily Oral Injections of Quercetin on Implanted Colon-25 Tumor Growth in Balb-C Mice
The effects of three oral dosages (0.4 mg, 0.8 mg, and 1.6 mg) of quercetin on Colon-25 tumors implanted in Balb-c mice were studied. The data in this study show that: (1) certain dosages of quercetin in alcohol solutions, reduces the weight, and size of implanted Colon-25 tumors in Balb-c mice, (2) these same dosages of quercetin all produce a profound neutrophilia combined with a significant lymphopenia at day 20 post-implantation, and (3) there was relatively little evidence of histological changes in the quercetin-treated tumor section which would indicate that the action(s) of quercetin is primarily at the subcellular level probably within the nuclei of the tumor cells.
Date:
May 2000
Creator:
Hayashi, Adam
System:
The UNT Digital Library
The Effects of Extinction on Human Performance Following Exposure to Fixed Ratio Schedules of Reinforcement
This experiment examined the effects of extinction on rate of responding and several topographical and temporal measures in adult humans. Three college students were trained to type the sequence 1•5•3 on a numeric keypad on a computer. The subjects were exposed to different fixed-ratio schedules of reinforcement (FR1, FR 5, and FR10 respectively) and extinction. Subjects displayed typical schedule performances during the maintenance phase of the experiment. During extinction the performances were disrupted, they showed a "break and run" pattern and a general decrease in responding. Also, new topographical and temporal patterns emerged. These data are consistent with those reported for non-human species and special human populations.
Date:
May 2000
Creator:
Anderson, Richard L.
System:
The UNT Digital Library
Effects of Implementing a Competency-Based Performance Management System on Measures of Sales Performance
Use of competency models has exploded in recent years. Unfortunately, the empirical research to validate such systems is scarce. This study explores the relationship between Competency-based Performance Management Systems and sales performance to determine whether the use of these systems increases performance. Performance data from sales representatives in a medical products company were examined to determine changes in performance following the introduction of the Competency-based Performance Management System (N=64). Correlations with performance were obtained for each competency dimension to determine if any factors were highly correlated with performance and if state-factors were more positively correlated with performance than trait-factors (N=66). The study found no significant relationship between implementation of a Competency-based Performance Management System and sales performance. Also state-factors were not more positively correlated with sales performance than trait-factors.
Date:
May 2000
Creator:
Lynch, Ronald
System:
The UNT Digital Library
The Effects of Interspersed Trials and Density of Reinforcement on Accuracy, Looking Away, and Self-Injurious Behavior of a Child with Autism
This research examines the effects of task interspersal and density of reinforcement on several behaviors of an autistic 6-year-old boy during the performance of a visual matching task and two auditory matching tasks. Experiment 1 investigated the effects of interspersing high and low accuracy tasks on correct matching responses, positions of matching responses, looking away, and self-injurious behavior (SIB). The effects of interspersed trials were evaluated using an ABAB multiple treatments design. Results indicated that interspersed trials produced slightly more correct responses during the visual matching task; however, correct responses decreased during the other two tasks. The use of interspersed trials also decreased looking away from the stimuli and SIB. Experiment 2 evaluated the effects of reinforcement density apart from task interspersal. Two conditions, reinforce-corrects-only and reinforce-all-responses, were compared in Experiment 2. Correct responses increased slightly for all three tasks during the reinforce-all-responses condition. Looking away and SIB were very infrequent throughout Experiment 2.
Date:
May 2000
Creator:
Ybarra, Rita
System:
The UNT Digital Library