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Southwest Retort, Volume 56, Number 6, February 2004
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
February 2004
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 52, Number 5, January 2000
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
January 2000
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 54, Number 2, October 2001
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
October 2001
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Training family therapists to work with families with young children: Current practices in accredited family therapy programs and recommendations for the future
This study examined how current family counseling/therapy programs train students to work with families with young children and made recommendations for training in this area based on recommendations of child and family therapy experts and the research and clinical literature. These recommendations explored what knowledge and skills all students should acquire versus students who want to specialize with this population. Changes to accreditation standards were also proposed as well as a description of resources to support changes in program curricula. Current training was measured by examining curricula from master's level marriage and family counseling/therapy programs accredited by the Commission on Accreditation for Marriage and Family Therapy Education (COAMFTE) and the Council for Accreditation of Counseling and Related Education Programs (CACREP) and master's level social work programs with a family-related concentration accredited by the Council on Social Work Education Commission on Accreditation (CSWE), the accreditation standards from these three organizations, course syllabi from the COAMFTE and CACREP programs, and surveys of COAMFTE and CACREP program directors (60% response rate). Recommendations for training were obtained through a qualitative analysis of quotations from the literature concerning training and through interviews of child and family therapy experts (65% response rate). The results revealed the …
Date:
December 2000
Creator:
Crane, Jodi M.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Assessment of the Efficacy of a Constructed Wetland to Reduce or Remove Wastewater Effluent Estrogenicity and Toxicity Using Biomarkers in Male Fathead Minnows (Pimephales Promelas Rafinesque, 1820)
Vitellogenin in Pimephales promelas was used to assess estrogenicity of a local municipal effluent. Vitellogenin induction in male P. promelas increased in frequency and magnitude with increased exposure duration and was greater ("=0.05) than controls after 2 and 3 weeks of exposure. The level of vitellogenesis induced by effluent exposure was high compared to similar studies. A spring season evaluation followed. Biomarkers in P. promelas were used to assess the efficacy of a treatment wetland to remove toxicity and estrogenicity in final treated wastewater effluent. Comparisons were made with an effluent dominated stream and laboratory controls. Vitellogenin, GSIs (gonado-somatic indices), HSIs (hepato-somatic indices) and secondary sexual characteristics were biomarkers used in P. promelas models to assess aqueous estrogenicity. Biological indicators used to assess general fish health included hematocrit and condition factors. The estrogenic nature of the effluent was screened, concurrent with fish exposure, with GC/MS analysis for target estrogenic compounds including: 17-b estradiol, estrone, ethynylestradiol, Bisphenol A, nonylphenolic compounds, phthalates, and DDT. Plasma vitellogenin measured in P. promelas was significantly elevated (p < 0.0001) at the inflow site of the wetland and stream sites. GSIs for these exposures were less (a=0.001) at the wetland inflow site. At wetland sites closest …
Date:
December 2000
Creator:
Hemming, Jon M.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Factors Affecting Household Disaster Preparedness: A Study of the Canadian Context
Access:
Use of this item is restricted to the UNT Community
This study addresses the issue of household disaster preparedness. This work contributes two elements to disaster research. The first contribution improve the knowledge of the factors that affect household disaster preparedness. The review of literature yielded three categories of variables that can jointly explain household disaster preparedness: household structure, demographics, and risk-perception factors. In this study 19 variables compose these factors. A second contribution constitutes a theoretical exploration of the concept of disaster preparedness. In this work, four different constructs of disaster preparedness were tested. These constructs include material preparedness, preparedness activities, a combined index, and a weighted and combined index. The study presents the logic and methodology of the index construction and validation. The data used in this study came from households in the Montreal Urban Community (MUC) in Canada. A random sample of 1,003 English- and French-speaking heads of households adequately represents the 1.8 million persons within the MUC. An independent survey firm conducted the interviews in 1996. Results show that the weighted combined household disaster preparedness index constitutes the best construct to represent the concepts under study. Study results also reveal that risk-perception variables (attitudinal factors) offered the strongest explanatory power. Household structure and demographic variables collectively …
Date:
December 2000
Creator:
Doré, Michel C
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Comparison of Computer Testing versus Traditional Paper and Pencil Testing
This study evaluated 227 students attending 12 classes of the Apprentice Medical Services Specialist Resident Course. Six classes containing a total of 109 students took the Block One Tests in the traditional paper and pencil form. Another six classes containing a total of 118 students took the same Block One Tests on computers. A confidence level of .99 and level of signifiÂcance of .01 was established. An independent samples t-test was conducted on the sample. Additionally, a one-way analysis of variance was performed between the classes administered the Block One Tests on computers. Several other frequencies and comparisons of Block One Test scores and other variables were accomplished. The variables examined included test versions, shifts, student age, student source, and education levels. The study found no significant difference between test administration modes. This study concluded that computer-administering tests identical to those typically administered in the traditional paper and pencil manner had no significant effect on achievement. It is important to note, however, that the conclusion may only be valid if the computer-administered test contains exactly the same test items, in the same order and format, with the same layout, structure, and choices as the traditional paper and pencil test. In …
Date:
August 2000
Creator:
Millsap, Claudette M.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Child-Centered Group Play Therapy with Children Experiencing Adjustment Difficulties
This research study investigated the effectiveness of child-centered group play therapy with children experiencing adjustment difficulties. Specifically, this study determined the effectiveness of child-centered group play therapy in: (a) improving self-concept, (b) reducing externalizing, internalizing, and overall behavior problems, (c) enhancing emotional and behavioral adjustment to the school environment, and (d) increasing self-control of kindergarten children experiencing adjustment difficulties. Also investigated were child-centered group play therapy effects on reducing parenting stress of the parents of kindergarten children experiencing adjustment difficulties. The experimental group consisted of 15 kindergarten children who received one 40-minute child-centered group play therapy session per week, for twelve weeks. Group facilitators were play therapists who were doctoral students at the University of North Texas. The control group consisted of the 14 kindergarten students that had been assigned to the control group in Baggerly's (1999) study. Before the group play therapy sessions began and after termination of the sessions: the researchers administered the Joseph Pre-School and Primary Self-Concept Screening Test; parents completed the Child Behavior Checklist-Parent Report, Self-Control Rating Scale, Filial Problem Checklist, and Parenting Stress Index; and teachers completed the Child Behavior Checklist-Teacher Report, Early Childhood Behavior Scale, and Self-Control Rating Scale. Although the general results of …
Date:
August 2000
Creator:
McGuire, Donald E.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Students' Criteria for Course Selection: Towards a Metadata Standard for Distributed Higher Education
By 2007, one half of higher education students are expected to enroll in distributed learning courses. Higher education institutions need to attract students searching the Internet for courses and need to provide students with enough information to select courses. Internet resource discovery tools are readily available, however, users have difficulty selecting relevant resources. In part this is due to the lack of a standard for representation of Internet resources. An emerging solution is metadata. In the educational domain, the IEEE Learning Technology Standards Committee (LTSC) has specified a Learning Object Metadata (LOM) standard. This exploratory study (a) determined criteria students think are important for selecting higher education courses, (b) discovered relationships between these criteria and students' demographic characteristics, educational status, and Internet experience, and (c) evaluated these criteria vis-à -vis the IEEE LTSC LOM standard. Web-based questionnaires (N=209) measured (a) the criteria students think are important in the selection of higher education courses and (b) three factors that might influence students' selections. Respondents were principally female (66%), employed full time (57%), and located in the U.S. (89%). The chi square goodness-of-fit test determined 40 criteria students think are important and exploratory factor analysis determined five common factors among the top 21 …
Date:
August 2000
Creator:
Murray, Kathleen R.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Cowboys, Postmodern Heroes, and Anti-heroes: The Many Faces of the Alterized White Man
This thesis investigates how hegemonic white masculinity adopts a new mode of material accumulation by entering into an ambivalent existence as a historical agent and metahistory at the same time and continues to function as a performative identity that offers a point of identification for the working class white man suggesting that bourgeois identity is obtainable through the performance of bourgeois ethics. The thesis postulates that the phenomenal transitions brought on by industrialization and deindustrialization of 50's through 90's coincide with the representational changes of white masculinity from paradigmatic cowboy incarnations to the postmodern action heroes, specifically as embodied by Bruce Willis. The thesis also examines how postmodern heroes' "intero-alterity" is further problematized by antiheroes in Tim Burton's films.
Date:
August 2000
Creator:
Murphree, Hyon Joo Yoo
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Family Rituals and Resilience: Relationship Among Measures of Religiosity, Openness to Experience, and Trait Anxiety
Rituals are an integral part of society. The focus of research on rituals has been shifting to highlight the effect rituals may produce on individual resilience and ability to function. This study examined the relationships between participation in family rituals and several conceptually related facets of the human experience, including religiosity, openness to experience, and anxiety. Participants responded to questions on an assessment instrument (Family Ritual Questionnaire) designed to measure participation in a broad variety of identified family rituals; they were grouped according to responses on that questionnaire, and the resulting groups were compared on their responses to questionnaires addressing religiosity (Religious Background and Behavior Questionnaire), openness to experience (Revised NEO Personality Inventory Openness to Experiences scale), and anxiety (State-Trait Anxiety Inventory). The four-group classification system did not produce significant differences on measures of religiosity, openness to experience, or trait anxiety. Nor were there any significant differences noted when the groups were examined on the basis of the demographic characteristics of age, gender, separation time from family of origin, or academic status. The demographic descriptive which was associated with specific group differences related to adult composition of family of origin: participants described the adults present in their families of origin, …
Date:
August 2000
Creator:
Emmett, Gloria J.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Carbachol- and ACPD-Induced Phosphoinositide Responses in the Developing Rat Neocortex
Signal transduction via the phosphoinositide (PI) second messenger system has key roles in the development and plasticity of the neocortex. The present study localized PI responses to individual cortical layers in slices of developing rat somatosensory cortex. The acetylcholine agonist carbachol and the glutamate agonist trans-1-amino-1,3-cyclopentanedicarboxylic acid (ACPD) were used to stimulate PI turnover. The PI responses were compared to the distribution of the corresponding PI-linked receptors in order to investigate the regional ontogeny of PI coupling to receptors in relation to neural development. The method for assessing PI turnover was modified from Hwang et al. (1990). This method images the PI response autoradiographically through the localizaton of [3H]cytidine that has been incorporated into the membrane-bound intermediate, cytidine diphosphate diacylglycerol. In each age group (postnatal days 4-30), carbachol resulted in more overall labeling than ACPD. For both agonists, the response peaked on postnatal day 10 (P10) and was lowest in the oldest age group. The laminar distribution of the carbachol PI response from P4-P16 corresponded fairly well with the laminar distribution of [3H]quinuclidinyl benzilate binding (Fuchs, 1995). However, in the subplate layer the carbachol response was strong while receptor binding was minimal. The carbachol response decreased after postnatal day 10, …
Date:
August 2000
Creator:
Hartgraves, Morri D.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Strategic Alliance Between a Bed & Breakfast Inn and a Restaurateur: Impact on Net Income of the Bed & Breakfast Inn
This study was conducted to investigate the impact of restaurant facilities, belonging to a B&B and leased to a professional restaurateur, upon the revenue of the B&B. This study assessed the physical demands placed on the B&B operator by an on-premises restaurant. Lack of sufficient data precluded proving the premise that an on-premises restaurant leased to a restaurateur would increase the income of the B&B without placing undue physical demands on the B&B operator. However, many contributing factors support the importance of a B&B having an on-premises restaurant that is leased to a professional restaurateur.
Date:
August 2000
Creator:
Filler, Eunice Jeraldine
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
David Lefkowitz of Dallas: A Rabbi for all Seasons
This dissertation discusses the impact David Lefkowitz and his ministry had on Dallas during the years of his ministry (1920-1949) at Temple Emanu-El in Dallas Texas, and the years following his death in 1955. The focus is on his involvement in civic activities, although his pastoral activities are also discussed. Sources include interviews with family members, friends and acquaintances, newspaper articles, journals, internet sources, unpublished theses and dissertations about Dallas and related subjects, minutes of the Temple's Board of Directors' meetings, minutes of the Central Conference of American Rabbis, minutes of the Board of Directors' Meetings of the Dallas Jewish Welfare Federation, the Temple Emanu-El Bulletins, and selected sermons, speeches and letters of David Lefkowitz. David Lefkowitz was an important figure in the history of Dallas. He taught, by precept and example, that Jews could participate fully in the civic life of Dallas. Because of his teachings, Jews made a positive difference in the development of Dallas. He has left a lasting impression on Dallas, and through his ministry and hard work, he made Dallas a better place for all its citizens.
Date:
August 2000
Creator:
Guzman, Jane Bock
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Bird Bones and a Hatched Egg
Access:
Use of this item is restricted to the UNT Community
A fifty page manuscript of poetry and a critical introduction detailing the poet's aesthetics. Using the idea of the double-image and eroticism, the poet places her work in the category of the surreal. She describes the process of writing poetry born of fragmentary elements as a feminist emergence of agency. The manuscript is composed of four sections, each an element in the inevitable breakdown of a love relationship: meeting, love-making, birth of a child, death. Quotes from various authors of anthropological and fictional texts begin each section to reinforce thematic structure in a process of unveiling the agency of the narrator. The poems are organized as a series, beginning and ending with sequence poems.
Date:
December 2000
Creator:
Skebe, Carolyn Alifair
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Effect of Attachment on Preschooler's Emotion Understanding
Access:
Use of this item is restricted to the UNT Community
The purpose of this study was to identify the relationship between attachment and emotion understanding in preschoolers. Data was collected from 16 preschool children and their mothers recruited from a private learning center in a downtown metropolitan area. Attachment was measured by use of the Attachment Q-sort, 3.0 (Waters, 1995), while emotion understanding was assessed through use of Denham's (1986) affective perspective-taking task and interviews of children concerning naturally occurring emotions and emotion causes (Fabes et al., 1991). Results included a significant correlation (p < .05) between secure attachment and preschooler's ability to decipher the cause of another's emotion; however, a significant correlation was not found between secure attachment and preschooler's perspective-taking ability or ability to name other's emotions. Thus, conclusions about the impact of attachment upon emotion understanding were mixed, and more research on the subject was implicated.
Date:
December 2000
Creator:
Hernandez, Jennie R.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Logic Programming Tools for Dynamic Content Generation and Internet Data Mining
Access:
Use of this item is restricted to the UNT Community
The phenomenal growth of Information Technology requires us to elicit, store and maintain huge volumes of data. Analyzing this data for various purposes is becoming increasingly important. Data mining consists of applying data analysis and discovery algorithms that under acceptable computational efficiency limitations, produce a particular enumeration of patterns over the data. We present two techniques based on using Logic programming tools for data mining. Data mining analyzes data by extracting patterns which describe its structure and discovers co-relations in the form of rules. We distinguish analysis methods as visual and non-visual and present one application of each. We explain that our focus on the field of Logic Programming makes some of the very complex tasks related to Web based data mining and dynamic content generation, simple and easy to implement in a uniform framework.
Date:
December 2000
Creator:
Gupta, Anima
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Southwest Retort, Volume 53, Number 8, April 2001
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
April 2001
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 56, Number 9, May/June 2004
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
June 2004
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 59, Number [5], January 2007
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
January 2007
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 59, Number 9, May/June 2007
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
June 2007
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 61, Number 3, November 2008
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
November 2008
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 55, Number [7], March 2003
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
March 2003
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 55, Number 6, February 2003
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
February 2003
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library