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Burying the War Hatchet: Spanish-Comanche Relations in Colonial Texas, 1743-1821
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This dissertation provides a history of Spanish-Comanche relations during the era of Spanish Texas. The study is based on research in archival documents, some newly discovered. Chapter 1 presents an overview of events that brought both people to the land that Spaniards named Texas. The remaining chapters provide a detailed account of Spanish-Comanche interaction from first contact until the end of Spanish rule in 1821. Although it is generally written that Spaniards first met Comanches at San Antonio de Béxar in 1743, a careful examination of Spanish documents indicates that Spaniards heard rumors of Comanches in Texas in the 1740s, but their first meeting did not occur until the early 1750s. From that first encounter until the close of the Spanish era, Spanish authorities instituted a number of different policies in their efforts to coexist peacefully with the Comanche nation. The author explores each of those policies, how the Comanches reacted to those policies, and the impact of that diplomacy on both cultures. Spaniards and Comanches negotiated a peace treaty in 1785, and that treaty remained in effect, with varying degrees of success, for the duration of Spanish rule. Leaders on both sides were committed to maintaining that peace, although …
Date:
May 2002
Creator:
Lipscomb, Carol A.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An examination of computer anxiety related to achievement on paper-and-pencil and computer-based aircraft maintenance knowledge testing of United States Air Force technical training students.
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The purpose of this study was to determine whether varying levels of computer anxiety have an effect on computer-based testing of United States Air Force technical training students. The first chapter presents an overview of computer-based testing, defines key terms, and identifies questions addressed in the research. The rationale for conducting this study was that little research had been done in this area. The second chapter contains a review of the pertinent literature related to computer-based testing, computer anxiety, test reliability, validity, and gender differences in computer use. Due to the lack understanding concerning any effects of computer anxiety on computer-based testing, this has been a worthwhile topic to explore, and it makes a significant contribution to the training field. The third chapter describes the qualitative research methodology used to conduct the study. The primary methodology was an analysis of variance comparison for groups of individuals who displayed high or low computer anxiety to their respective mean computer-based or paper-based aircraft maintenance knowledge testing scores. The research population consisted of United States Air Force aircraft maintenance craftsmen students attending training at Sheppard Air Force Base, Texas. The fourth chapter details the findings of the study. The findings indicate that there …
Date:
May 2002
Creator:
McVay, Richard B.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Effects of the CACREP Standards on the Development of Counseling Skills
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This study was designed to measure the effectiveness of accreditation standards (specifically, CACREP Standards for counselor education programs) on the development of counseling skills. A measure of counseling skill (The Counselor Rating Form-Short Version) was used to measure the counseling skills of counselor trainees from various masters programs. These students were enrolled in a doctoral program in counselor education and were taking their first semester practicum. A T-Test of Independent Means revealed that the student counselors from CACREP accredited masters programs scored significantly higher on the CRF-S than did students from non CACREP accredited programs. These students generally had higher levels of counseling skill as judged by this measure. Given the convenience of the sample and its size, results must be analyzed carefully. These results do, however, seem to suggest the necessity of further study. There are several conclusions that may be reasonably drawn from these results. The emphasis that the CACREP Standards place on the supervised experience may account for the difference in skill levels between the two groups. Prior research and student self-report support this theory. The fact that these requirements are daunting to unaccredited programs suggests a gap in experiential learning between the two groups.
Date:
May 2002
Creator:
McDuff, Laura
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Information Environment of Academic Library Directors: Use of Information Resources and Communication Technologies
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This study focuses on the use of information resources and communication technologies, both traditional and electronic, by academic library directors. The purpose is to improve understanding of managerial behavior when using information resources and communication technologies within a shared information environment. Taylor's concept of an information use environment is used to capture the elements associated with information use and communication within the context of decision-making styles, managerial roles, organizational environments, and professional communities. This qualitative study uses interviews, observations, questionnaires, and documents. Library directors participating in the study are from doctoral-degree granting universities in the southwestern United States. Data collection involved on-site observations with a PDA (personal digital assistant), structured interviews with library directors and their administrative assistants, the Decision Style Inventory, and a questionnaire based on Mintzberg's managerial roles. Findings show the existence of a continuum in managerial activities between an Administrator and an Administrator/Academic as critical to understanding information use and communication patterns among library directors. There is a gap between self-perception of managerial activities and actual performance, a finding that would not have surfaced without the use of multiple methods. Other findings include the need for a technical ombudsman, a managerial-level position reporting to the library director; …
Date:
May 2002
Creator:
Koelker, Karen June
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Study of Perceptually Tuned, Wavelet Based, Rate Scalable, Image and Video Compression
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In this dissertation, first, we have proposed and implemented a new perceptually tuned wavelet based, rate scalable, and color image encoding/decoding system based on the human perceptual model. It is based on state-of-the-art research on embedded wavelet image compression technique, Contrast Sensitivity Function (CSF) for Human Visual System (HVS) and extends this scheme to handle optimal bit allocation among multiple bands, such as Y, Cb, and Cr. Our experimental image codec shows very exciting results in compression performance and visual quality comparing to the new wavelet based international still image compression standard - JPEG 2000. On the other hand, our codec also shows significant better speed performance and comparable visual quality in comparison to the best codec available in rate scalable color image compression - CSPIHT that is based on Set Partition In Hierarchical Tree (SPIHT) and Karhunen-Loeve Transform (KLT). Secondly, a novel wavelet based interframe compression scheme has been developed and put into practice. It is based on the Flexible Block Wavelet Transform (FBWT) that we have developed. FBWT based interframe compression is very efficient in both compression and speed performance. The compression performance of our video codec is compared with H263+. At the same bit rate, our encoder, …
Date:
May 2002
Creator:
Wei, Ming
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Characterization of cDNA and Genomic Clones for a Palmitoyl-acyl Carrier Protein Thioesterase and an Osmotin-Like PR5 Protein in Gossypium Hirsutum.
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Putative cotton cDNA clones and cognate genomic clones for a palmitoyl-acyl carrier protein (ACP) thioesterase (PATE) and an osmotin-like pathogenesis-related 5 (PR5) protein have been isolated and characterized. PATE is a class B fatty acid thioesterase with specificity for saturated long-chain fatty acids such as palmitate, and is implicated as a key enzyme to be targeted for regulation of fatty acid synthesis in order to alter cotton seed oil profiles. A nearly full-length 1.7-kb cDNA clone was isolated using a hybridization probe derived from an Arabidopsis PATE cDNA clone designated TE 3-2. A 17-kb genomic segment encompassing the PATE gene was also isolated, which has six exons and five introns with high sequence identity with other FatB cDNA/gene sequences. The deduced PATE preprotein amino acid sequence of 413 residues has putative signal sequences for targeting to the chloroplast stroma. PR5 proteins called osmotins are made in response to fungal pathogen stress or osmotic stress (water deprivation or salt exposure). Osmotins may actually form pores in fungal membranes, leading to osmotic rupture and destruction of the fungal cells. A cotton osmotin-like PR5 cDNA insert of 1,052 base-pairs was isolated and shown to encode a preprotein of 242 amino acids and is …
Date:
May 2002
Creator:
Yoder, David W.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Longitudinal Study of the Impact of Performance Appraisals in Organizations
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The purpose of this study was to determine the effectiveness of and the subjects' overall satisfaction with the implementation of an internally created performance appraisal system. The system was implemented at a major technology consulting firm in the US. The subjects of this study were manager level employees of the firm. An employee survey conducted annually at the firm included questions relating to the implementation of the performance appraisal system. Eight years of managers' responses to six key questions in the Career Development category were analyzed. Managers' perceptions of their contribution to the firm, their understanding of what career paths are available to them, their understanding of the requirements for promotion, as well as their overall satisfaction with the implementation of the performance appraisal system were captured by this survey. Trend analysis indicates that managers at the firm perceived their career path knowledge improved and their understanding of promotion criteria improved as a result of the implementation. Overall satisfaction with the implementation did not improve enough to site confidence in managers' perceptions for the period immediately after the implementation; managers' responses to the actual implementation were disagreeable to neutral. Managers did not feel their impact on the organization improved as …
Date:
May 2006
Creator:
Herreid, Cheryl
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Effects of District Expenditure Per Pupil and Low Socio-Economic Status on the Grade 10, 2000 and 2002 Disaggregated Student Performance Scores on the TAAS
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Educators can no longer simply look at student totals to distribute instructional dollars. Databased decision-making must be instituted to overcome achievement gaps between white and non-white students. In low-socioeconomic (SES) settings, districts must increase expenditure per pupil (EPP) as low-SES rates rise for all students as district administrators must be in a position to show product rather than process. It was attempted to determine if a positive or negative relationship existed between Anglo, Hispanic, and African-American student test scores and wealth factors on the Texas Assessment of Academic Skills tests in 2000 and 2002. Wealth factors studied included EPP and SES. Data analysis was carried out on 974 independent and consolidated school districts in Texas. Low-SES was found to be a negative predictor of higher test performance on standardized reading and mathematics tests. To varied degrees, low-SES affected all students from all ethnicities as well as affluent students. EPP was attributed with a positive effect on student test performance. Increases of $1,000 or more at one time produce performance increases from 0.20 to 0.40 points. In making specific recommendations, the researcher advises increasing expenditures low-SES districts, schools, and classrooms through the creation of specific district linear equations exhibited in this …
Date:
May 2006
Creator:
Iker, Gary A.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Dimension spectrum and graph directed Markov systems.
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In this dissertation we study graph directed Markov systems (GDMS) and limit sets associated with these systems. Given a GDMS S, by the Hausdorff dimension spectrum of S we mean the set of all positive real numbers which are the Hausdorff dimension of the limit set generated by a subsystem of S. We say that S has full Hausdorff dimension spectrum (full HD spectrum), if the dimension spectrum is the interval [0, h], where h is the Hausdorff dimension of the limit set of S. We give necessary conditions for a finitely primitive conformal GDMS to have full HD spectrum. A GDMS is said to be regular if the Hausdorff dimension of its limit set is also the zero of the topological pressure function. We show that every number in the Hausdorff dimension spectrum is the Hausdorff dimension of a regular subsystem. In the particular case of a conformal iterated function system we show that the Hausdorff dimension spectrum is compact. We introduce several new systems: the nearest integer GDMS, the Gauss-like continued fraction system, and the Renyi-like continued fraction system. We prove that these systems have full HD spectrum. A special attention is given to the backward continued fraction …
Date:
May 2006
Creator:
Ghenciu, Eugen Andrei
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A study of continuing bonds and their impact on life attitudes in parents of murdered children.
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For most of the past century, the positive outcome of grief in the West was characterized as the relinquishment of the bond to the deceased. Phrases such as "let go", "move on", and "get over it" were, and continue to be, common to the language of this pursuit. This 'breaking bonds' perspective does not take into account other means of grief resolution, nor does it consider historical or cultural findings. Consequently, reports of bereaved parents who indicate resolution of grief yet maintain a continued relationship with their deceased child were not given much attention until the 1990s. This research employed a Durkheimian approach, taking the social bond as the starting point of inquiry and examined continuing bonds of parents to their murdered children. How these bonds were related to the parents' attitudes of re-investing in life and their level of grief was measured. The relationship between the parents' level of grief and their life attitudes was also assessed. The sample consisted of 46 parents living in North Texas whose child had been murdered three or more years ago. A triangulated methodology was utilized and the data were collected by means of participant observation, unstructured interviews, and a mailed questionnaire which …
Date:
May 2006
Creator:
Haag, Marcy J.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Flora and Fauna in Eighteenth-Century Colonial Mexican Casta Paintings
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The primary objective of this thesis is to identify patterns of appearance among the flora and fauna of selected eighteenth-century New Spanish casta paintings. The objectives of the thesis are to determine what types of flora and fauna are present within selected casta paintings, whether the flora and fauna's provenance is Spanish or Mexican and whether there are any potential associations of particular flora and fauna with the races being depicted in the same composition. I focus my flora and fauna research on three sets of casta paintings produced between 1750 and 1800: Miguel Cabrera's 1763 series, José Joaquín Magón's 1770 casta paintings, and Andrés de Islas' 1774 sequence. Although the paintings fall into the same genre and within a period of a little over a decade, they nevertheless offer different visions of New Spain's natural bounty and include objects designed to satisfy Europe's interest in the exotic.
Date:
May 2006
Creator:
Torres, Anita Jacinta
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Long Chorale Preludes of J. S. Bach (1685-1750): Study of Accompaniments together with Three Recitals of Selected Works by Dietrich Buxtehude (1637-1707), J. S. Bach, Louis Vierne (1870-1937), and Others
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Johann Sebastian Bach's chorale preludes are varied and artistic not only in the treatment of chorale melodies, but also in the accompaniments of those chorale melodies. This study examines the accompaniments of Bach's long chorale preludes, focusing on identifying the various types and the characteristics that make them unique. This study investigates the two broad categories of accompaniments depending on whether the motives are chorale-derived or independent of the chorale. While the chorale prelude accompaniments in the first large group are closely related, the accompaniments of the chorale preludes in the second group stand independently and illustrate the vast range of Bach's compositional skill. Both groups demonstrate Bach's interest in expanding his predecessors' models, a trait that can be traced throughout all of Bach's compositional history.
Date:
May 2006
Creator:
Lim, Aesook
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Depression, Activities of Daily Living, and Retirement
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Depression is a common clinical and subclinical psychiatric disorder in the middle-age to older adult population. This study examined the relationship between depression and activities of daily living (ADLs) in middle-age to older adults. This study examined longitudinal data from the 1998, wave 4, and 2000, wave 5, of the Health and Retirement Study (HRS), a National Panel Study sponsored by the National Institute on Aging. A negative cross-sectional and longitudinal relationship between higher ADL scores and depression was hypothesized. A goal of the present study was to determine the temporal precedence of these two constructs using a cross-lag panel design to first examine the cross-sectional relationship between ADLs and depression at time-one and at time-two, and then the time-one to time-two longitudinal relationships to examine temporal precedence possible causal relationships. Finally, differences in these correlational relationships by retirement status and then by marital status were tested. There were several interesting findings, including those who were retired in both 1998 and 2000 reported fewer ADLs (i.e., worse functioning), but also reported better health than those who were working in both 1998 and 2000. Similarly, those people who were not married in both 1998 and 2000 reported fewer ADLs but better …
Date:
May 2006
Creator:
Jackson, Lauren Innes
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Theory in Practice: Constructivism and the Technology of Instruction in an Authentic Project-based Computer Class
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While literature in areas of constructivism learning theory, use of computer technology in education, and the implementation of project-based learning in the classroom have received widespread attention, there is no reported research that specifically examines the effectiveness of using a project-based learning model for computer technology instruction for pre-service teachers' programs in general, and in art education in particular. Thus, the research problem was to examine through pre- and post-test control-group experimental research design whether two different teaching methods, constructivism teaching approach (project-based learning) and traditional (step-by-step) teaching approach, result in significant differences in learning computer usage, the application of computer technical skills, design projects, and attitudes toward using of technology. The research was conducted at University of North Texas during the fall semester of 2004. Both quantitative and qualitative methods were used to collect the data. The quantitative data, collected from a pre-post test and pre and post questionnaire, was analyzed using a t-test. No significant difference was found between the groups as it relates to computer usage, one aspect of the application of computer technical skills (Photoshop usage), and attitudes towards technology. There was, however, a statistical difference between the groups in the use of the other aspect …
Date:
May 2006
Creator:
Esmaiel, Yousef Esmaiel
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The impact of the Home Instruction for Parents of Preschool Youngsters (HIPPY) program on reading, mathematics, and language achievement of Hispanic English language learners.
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This study sought to answer if the Home Instruction for Parents of Preschool Youngsters (HIPPY) program had a positive academic impact on Hispanic English language learners (ELL). HIPPY is a free, 2-year, home-based early intervention program for 4-and 5-year-old children. The program is intended to provide educational enrichment to at-risk children from poor and immigrant families, increase school readiness, and foster parent involvement in their children's education. A quasi-experimental design and quantitative measures were used to measure the academic success of Hispanic ELL students in reading, mathematics, and language arts. The sample included an experimental group and a purposeful control group. Hispanic students who attended an early childhood school as 4 year olds and participated in the HIPPY 4 and 5 programs were compared to Hispanic students who attended an early childhood school as 4 year olds and did not participate in HIPPY. Results from the Texas-mandated criterion referenced Texas Assessment Knowledge and Skills (TAKS) Test and the TerraNova® and TerraNova SUPERA® norm referenced tests were used in this study. Results from the TAKS Reading and TAKS Mathematics Grade 3 and the TerraNova reading, language, mathematics, and total composite scores were analyzed using a one-way analysis of variance. The treatment …
Date:
May 2006
Creator:
García, Maria G.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
"The Barroom Girls" and Other Stories
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This creative thesis is comprised of five original short stories and a critical preface. The preface discusses the changing cultural, sociopolitical, and socioeconomic landscape of the modern American South and the effects-positive, negative, and neutral-these changes have had on the region's contemporary literature, including the short stories contained within.
Date:
May 2006
Creator:
Mortazavi, Sohale Andrus
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Connective Technology Adoption in the Supply Chain: The Role of Organizational, Interorganizational and Technology-Related Factors.
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Supply chain management (SCM) is an area that offers organizations significant opportunities for both cost reductions and revenue enhancement. In their article, "Supply Chain Management: Implementation Issues and Research Opportunities," Lambert, Cooper and Pagh defined SCM as the "integration of key business processes from end user through original suppliers that provides products, services, and information that add value for customers and other stakeholders." Adopting and implementing appropriate technology has emerged as a source of competitive advantage for supply chain member firms through the integration of business processes with suppliers and customers. It is important to understand the factors influencing an organization's decision to acquire such technology. In the context of this study, connective technologies are defined as wireless communication devices and their accompanying infrastructure and software which may enhance coordination among supply chain partners. Building on previous literature in the areas of supply chain management, marketing strategy, and organizational innovation, a model was developed to test the relationships between organizational, interorganizational, and technology-related factors and the adoption of advanced connective technology, using radio frequency identification (RFID) as the test case, in the supply chain. A Web-based survey of supply chain professionals was conducted resulting in 224 usable responses. The overall …
Date:
May 2006
Creator:
Neeley, Concha Kaye Ramsey
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Accuracy of Self-Reported Height, Weight, and Calculated BMI and Resulting FITNESSGRAM® Healthy Fitness Zone Classification
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The determination of adiposity in adolescents is often assessed with calculations of body mass indices (BMI). Researchers often obtain these measurements from self-reported (SR) values. The purpose of this study was to determine the accuracy of SR height, weight, and calculated BMI (from height and weight). SR and actual measured (ME) BMI values were compared with standards from the FITNESSGRAM® Healthy Fitness Zone (HFZ) classifications. SR height and calculated BMI were found to be accurate while SR weight was, on average, underreported by 4.77 lbs. Because of these errors in SR height and weight, accuracy of classification into the FITNESSGRAM® HFZ was compromised. Consequently, it is important that researchers ascertain actual values of height and weight when measuring adolescents rather than use those from self-reports.
Date:
May 2006
Creator:
Rowell, Chelsie Joyce
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Identification and characterization of an incomplete root hair elongation (IRE)-like gene in Medicago truncatula (L.) root nodules.
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Cloning and molecular characterization of new genes constitutes a useful approach in studying the symbiotic interactions between the model plant Medicago truncatula and Synorhizobium meliloti. Large numbers of expressed sequence tags (ESTs) available for Medicago truncatula, along with numerous cDNA, oligonucleotides, and Affimetrix DNA microarray chips, represent useful tools for gene discovery. In an attempt to identify a new gene that might be involved in the process of nodulation in Medicago truncatula, preliminary data reported by Fedorova et al. (2002), who identified 340 putative gene products or tentative consensus sequences (TCs) expressed only in nodules, was used. This research was focused on TC33166 (TC103185), which has 3 ESTs in the TC, and whose strongest BLASTX hit of TC103185 is the incomplete root hair elongation (IRE) protein kinase-like protein (NP_192429) from Arabidopsis thaliana. The Arabidopsis IRE gene is required for normal root hair growth, and a role in apical growth was suggested (Oyama et al., 2002). Infection thread growth can be looked at as an inward growth of the root hair. Thus, TC103185 was a good candidate for identifying a gene that may be involved in early events of nodulation. MtIRE (GenBank accession AC122727) is organized in 17 exons and 16 …
Date:
May 2006
Creator:
Pislariu, Catalina Iulia
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Supercritical Silylation and Stability of Silyl Groups
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Methylsilsesquioxane (MSQ) and organosilicate glass (OSG) are the materials under this study because they exhibit the dielectric constant values necessary for future IC technology requirements. Obtaining a low-k dielectric value is critical for the IC industry in order to cope time delay and cross talking issues. These materials exhibit attractive dielectric value, but there are problems replacing conventional SiO2, because of their chemical, mechanical and electrical instability after plasma processing. Several techniques have been suggested to mitigate process damage but supercritical silylation offers a rapid single repair step solution to this problem. Different ash and etch damaged samples were employed in this study to optimize an effective method to repair the low-k dielectric material and seal the surface pores via supercritical fluid processing with various trialkylchlorosilanes. Fourier transform infrared spectroscopy (FTIR), contact angle, capacitance- voltage measurements, and x-ray photoemission spectroscopy, dynamic secondary ion mass spectroscopy (DSIMS), characterized the films. The hydrophobicity and dielectric constant after exposure to elevated temperatures and ambient conditions were monitored and shown to be stable. The samples were treated with a series of silylating agents of the form R3-Si-Cl where R is an alkyl groups (e.g. ethyl, propyl, isopropyl). Reactivity with the surface hydroxyls was inversely …
Date:
May 2006
Creator:
Nerusu, Pawan Kumar
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An Analysis of EC-4 Pre-Service Teacher Perceptions of Knowledge and Use of Classroom Discipline Techniques
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The purpose of this study was to examine the perceptions of pre-service Texas Wesleyan University teachers' knowledge and use of classroom discipline techniques. The study was conducted to obtain data utilized for the evaluation of the research questions. A non-experimental, mixed research design using survey methodology was used. Part one of the Allen Classroom and Discipline Management Instrument (ACDMI) consisted of demographic information: current position, ethnicity, level of education, gender, age, teaching certification obtained, teaching certification anticipated to be obtained, type of teacher certification training, and number of clock hours received in discipline management. The demographic information was used as independent variables for comparing responses to survey items. Part two contained discipline management techniques from Skinner, Canter, Dreikurs, Gathercoal, Glasser, Faye and Funk, Curwin and Mendler, and Berne and Harris. These techniques were used to determine mean differences with the independent variables. Finally, part three was the qualitative section which consisted of four questions requesting information about helpful discipline techniques. The sample population consisted of 150 pre-service teachers from a small liberal arts university in Texas. Findings from the study indicated that EC-4 pre-service teachers' predicted use of discipline management techniques were the ones in which they were most knowledgeable. …
Date:
May 2006
Creator:
Short, Selena Gutierrez
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The significance of supportive structure in improving student achievement in knowledge of the history of the Christian church in a Kenyan Bible college.
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The problem of this study was to determine whether Kenyan Bible college students who receive instruction using a modified (highly structured) mastery learning model will demonstrate greater achievement in knowledge of Christian Church history as compared to Kenyan Bible college students who receive instruction using a traditional (minimally structured) non-mastery learning model. The subjects were 17 second-year Kenyan Bible college students enrolled in a course on Christian Church history, and they were randomly assigned to the two treatment conditions. The researcher served as instructor for both groups. The experimental group used a textbook, detailed syllabus, 200 page study guide (featuring an advance organizer to provide an ideational scaffolding), and a lesson-development feature (providing an enabling objective, congruent questions, and informative feedback for each lesson segment). The control group used a textbook and a less-detailed syllabus. Both groups shared the same classroom lectures, class discussions, required assignments, examinations, and review of examination items. Five tests of Christian church history were administered, including a pretest, three unit tests, and a comprehensive course examination. Test data were analyzed using a 2 x 5 (treatment x testing occasion) repeated measures analysis of variance (RM ANOVA). The percentage of students performing at mastery level (80% …
Date:
May 2004
Creator:
Duncan, David D.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An investigation of success metrics for the design of e-commerce Web sites.
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The majority of Web site design literature mainly concentrates on the technical and functional aspects of Web site design. There is a definite lack of literature, in the IS field, that concentrates on the visual and aesthetic aspects of Web design. Preliminary research into the relationship between visual design and successful electronic commerce Web sites was conducted. The emphasis of this research was to answer the following three questions. What role do visual design elements play in the success of electronic commerce Web sites? What role do visual design principles play in the success of electronic commerce Web sites? What role do the typographic variables of visual design play in the success of electronic commerce Web sites? Forty-three undergraduate students enrolled in an introductory level MIS course used a Likert-style survey instrument to evaluate aesthetic aspects of 501 electronic commerce Web pages. The instrument employed a taxonomy of visual design that focused on three dimensions: design elements, design principles, and typography. The data collected were correlated against Internet usage success metrics data provided by Nielsen/NetRatings. Results indicate that 22 of the 135 tested relationships were statistically significant. Positive relationships existed between four different aesthetic dimensions and one single success measure. …
Date:
May 2004
Creator:
Cutshall, Robert C.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Social Skills Intervention for Students with Emotional/Behavioral Disorders Aged Six through Twelve Years: A Combination of a Literature-Based Curriculum and Telecommunications
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Researchers have noted that by providing formal and informal social skills training (SST), the school can become a potential optimal setting that fosters the development of social competence in students with behavioral problems. Indeed, learning to get along with people is one of the most important skills that we can teach students. In order to maximize its effectiveness, SST must be motivating and personally relevant enough for students to want to use the skills. In addition, it must provide opportunities for learned skills to be practiced under varying conditions and in as close to natural situations as possible in order to enhance the transfer of training. The purpose of the study was to investigate the social competence of students aged from six to twelve, diagnosed with emotional/behavioral disorders (E/BD) in a public self-contained school setting, and to increase the students' social competence by using a literature-based method that employs multiage grouping, impersonation, and telecommunications. By providing intensive, literature-based training in a multiage classroom, the SST gave students opportunities to practice skills in a natural, real-life environment and, therefore, increased the likelihood of generalizing these skills in other settings. The employment of impersonation and telecommunications also enhanced students' acquisition of social …
Date:
May 2004
Creator:
Chen, Kaili
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library