UNT Theses and Dissertations - 74 Matching Results

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Degradation of Phenolic Acids by Azotobacter Species Isolated from Sorghum Fields

Description: Sorghum plants excrete phenolic acids which reduce subsequent crop yields. These acids accumulate in field soil by combining with soil and clay particles to form stable complexes which remain until degraded by bacterial metabolism. The amount of phenolic acids in soil samples were obtained by gas chromatography measurements, while Azotobacter populations were obtained by plate counts in 40 sorghum field samples from Denton County, Texas. One can conclude that increasing the Azotobacter populati… more
Date: August 1989
Creator: Al-Hadhrami, Mohamed N. (Mohamed Nasser)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Status of Transitional First Grade Programs in Regions 10 and 11 in North Central Texas

Description: The purposes of this study were to identify public school districts that currently offer, or are planning to offer, transitional first-grade programs, to describe existing transitional programs, to describe the genesis of transitional first-grade classes in the North Texas area, and to assist in the establishment of a networking system for schools in the North Central Texas area that currently have, or are planning to have, transitional first-grade classes. The 158 school districts in Regions 1… more
Date: December 1989
Creator: Angove, Dawn A. (Dawn Annyce)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Effects of Water Quality, Instream Toxicity, and Habitat Variability on Fish Assemblages in the Trinity River, Texas

Description: The Trinity River flows through the Dallas-Ft. Worth Metroplex in north central Texas where it receives effluents from numerous point sources including seven large regional wastewater treatment facilities. Historically, the Trinity River has been impacted by massive wastewater loadings which often constitute > 80% of the total river discharge during low flow periods. Normally, high mass loadings correspond to the summer months, compounding the effects of a naturally stressful period, characteri… more
Date: December 1989
Creator: Arnold, Winfred R., 1960-
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Factors Influencing Older Adults' Patterns of Information Acquisition

Description: A group of 101 older adults (sixty-five years of age and over) who lived independently in three retirement apartment residences in Denton, Texas, were asked about their patterns of reading, television viewing, and radio listening habits for two periods in their lives: (1) at age forty to fifty-five and (2) at the present. Respondents were asked about their use of external information sources (public library, grocery store, newsstand, etc.) and their use of proximate information sources (radio, … more
Date: May 1989
Creator: Barnett, Mary Jane, 1952-
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Application of Guided Mental Imagery as an Instructional Strategy

Description: The primary purpose of this study was to compare regular classroom instruction which used Guided Mental Imagery (GMI) to a non-GMI teaching method. This comparison was expected to yield data which would provide insights relating to the potential of GMI as a useful and effective instructional strategy. Quasi-experimental research methods were followed. The experimental design was a modified "post-test only control group design." Two-hundred-four students in naturally occurring in tact classes fo… more
Date: May 1989
Creator: Burns, Frances D.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Study of the Interdependence of Four Major Stock Markets Using a Vector Autoregression

Description: The question for this thesis is whether the four major stock markets--the United States, Great Britain, West Germany, and Japan are interdependent or segmented. The study period runs from February 1979 to June 1987, with the Wall Street Journal as a source of data. The Granger causality test is used to test for relationships among the four major stock markets. The thesis is divided into five chapters-- 1) statement of the problem; 2) survey of literature; 3) methodology; 4) results and 5) concl… more
Date: August 1989
Creator: Cheong, Onn Kee
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Independent Piano Teachers: An Investigation of Their Attitudes toward Selected Attributes of Profession

Description: The purpose of the study was to investigate independent piano teachers' view of themselves in the light of selected attributes found in sociological writings on the professions. The research problems were: (a) to determine the attitudes which independent piano teachers held toward selected professional attributes; (b) to determine the relationship between the attitudes toward the professional attributes and selected background variables; and (c) to determine the degree of association between th… more
Date: May 1989
Creator: Crane, Joyce L. (Joyce Lydia)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Acculturation and Locus Of Control: Their Relationship to the Use of Inhalants

Description: This study analyzed the effects of acculturation, locus of control, and incidence of inhalant use on Mexican Americans. Information was collected from 275 subjects at three middle schools and one treatment center. The instrument consisted of Levenson's Locus of Control Scale, the Acculturation Rating Scale for Mexican Americans, and an incidence of use and family relationship questionnaire developed for this study. Statistical analysis indicated a relationship between acculturation and inhalant… more
Date: July 1989
Creator: Davis, Lynn Matthew
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Quasi-Experimental Study of Inter-rater Reliability When Awarding Exceptional Quality Points on the Texas Teacher Appraisal Instrument

Description: This study investigates the inter-rater reliability of appraisers who award exceptional quality points on the Texas Teacher Appraisal Instrument. Inter-rater reliability was measured when appraisers scored exceptional quality points after viewing a videotaped lesson. Comparisons were made between appraisers when grouped according to elementary or secondary certification, sex, years of administrative experience, and type of training. A total of 707 subjects from 56 school districts participated … more
Date: August 1989
Creator: Dobbs, Louann
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Developing Social Interest in Juvenile Delinquents

Description: Male youths ages 13-18 incarcerated at two minimum security detention facilities participated in a program to determine if Alfred Adler's concept of social interest could be developed through group interactions led by non-professionals. The youths answered a self-report attitudinal scale, the Sulliman Scale of Social Interest and were rated by their classroom teachers on the Behavior Dimensions Rating Scale as pre-test measures. Volunteers from a liberal arts college sociology classes were rand… more
Date: August 1989
Creator: Eldridge, Connie
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Study of College Stress and Its Measurement

Description: The purpose of the study was to compare the academic stress of freshmen in a community college with that of freshmen in a university. An additional purpose was to determine if gender, ethnicity, or semester course load was related to perceived academic stress. The sample consisted of a total of 303 university and community college freshmen from English and Psychology classes at the University of North Texas and Richland Community College during the spring semester, 1989. The instrument that was… more
Date: August 1989
Creator: Garrett, Sandy, 1945-
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Trends in Strategic Planning in Private Social Service Agencies: A Test of the Ramanujam and Venkatraman Planning Model

Description: This study modified the Ramanujam and Venkatraman (1987) questionnaire that was used to develop their model of planning system dimensions and planning effectiveness, and tested the model on a sample of private social service agencies. The criterion measures were level of planning sophistication, agency size, perceived environmental uncertainty, and relative competitive position. The sample was randomly drawn from private social service agencies which were members of the Community Council of Gre… more
Date: December 1989
Creator: Gilbertson, Diana L.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Texas Music Educators Association: A Historical Study of Selected Landmark Events Between 1938 and 1980 and the Decisions Which Influenced Their Outcomes

Description: The purpose of this study was to investigate selected landmark events in the historical development of the Texas Music Educators Association, 1938-1980, and the decisions which influenced their outcomes. A polling of twenty former presidents of TMEA selected the following landmark events that helped to shape the history of TMEA: (1) the change from a band organization to a music educators organization in 1938, (2) the University Interscholastic League takeover of contests in 1947, and (3) TMEA'… more
Date: August 1989
Creator: Grant, Daniel Ross, 1955-
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Alternative Funding Models for Public School Finance in Texas

Description: This study examined different funding methods for financing public education in order to solve the problems associated with large numbers of school districts and great disparities in property wealth without abandonment of property tax as the major revenue source. Using enrollment and State Property Tax Board data for the 1,061 school districts in Texas in 1986-87, four alternative funding plans were studied to compare the equity and fiscal impact of each on public school finance in Texas. The s… more
Date: August 1989
Creator: Hair, Janet C. (Janet Cantrell)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Toxicological Characterization of Trinity River Sediments

Description: Sediments in the Trinity River were chemically, physically and biologically characterized and assessed for toxicity. Laboratory bioassays were conducted to identify sediments which induced toxic responses in test organisms and to document these responses through time. Metal and organic contaminant concentrations in bottom sediments were measured. Relationships between these concentrations and biological responses observed in laboratory bioassays were determined. Toxicity identification / reduct… more
Date: December 1989
Creator: Hall, Jerry F. (Jerry Fowler)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Northern Minnesota Public Television: a Historical Perspective

Description: Northern Minnesota Public Television is an independent, non-profit corporation operating as KAWE television on the campus of Bemidji State University in Bemidji, Minnesota. This study focuses on the lack of educational/public television in the northern section of Minnesota and develops a historical perspective of Northern Minnesota Public Television from an idea of two men until sign-on in 1980. The study describes the early beginnings, organizational structure, problems encountered, and educat… more
Date: August 1989
Creator: Hawk, Clement Lee
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Grandparent Satisfaction and Family Structure: a Descriptive Study of Multigenerational Families in Denton County, Texas

Description: This descriptive study of 45 multi-generational families contributes empirical knowledge about grandparent-grandchild relationships. A questionnaire was developed and completed by 74 subjects who were part of a randomly selected sample taken from a tax roll of homeowners over age 65 in Denton County, Texas. The responses provide information which expands the existing data base in the area of grandparenting. The study pinpoints areas in the grandparenting literature which need refinement and con… more
Date: May 1989
Creator: Hettinger, Barbara J. (Barbara Jane)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Commonalities Among Women Superintendents in Texas

Description: The major purpose of this descriptive study was to determine common characteristics and influences among women who were serving as public school superintendents of independent districts in Texas during the 1988-89 school year. Commonalities were determined in (1) personal characteristics, (2) personality traits, and (3) perceived barriers to career mobility. A seventy-item survey was developed, validated, and mailed to the thirty-three women superintendents in Texas. Data from the survey were a… more
Date: December 1989
Creator: Howell, Rachel W.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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An Exploratory Investigation of Socio-Economic Phenomena that May Influence Accounting Differences in Three Diverse Countries

Description: This dissertation attempts to provide an exploratory structure to respond to, and tries to resolve, an existing void in international accounting research. The void is a lack of coherently structured, nation-specific, descriptive research to investigate socio-economic phenomena which may influence financial accounting. This dissertation's salient features include a political economy theory, an exploratory, sociological method, and a case study format. The political economy of accounting, introdu… more
Date: August 1989
Creator: Hudack, Lawrence R. (Lawrence Ralph)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Descriptive Study of Personnel Decisions Appealed to the Texas State Commissioner of Education August 1981 - August 1986

Description: The problem. --The problem in this study was to describe the issues arising in employment decisions appealed to the Texas Commissioner of Education. Decisions made in courts are binding on school officials, and they are published in law reporters found in most libraries. The Commissioner's decisions are also binding on school officials, but they are not published or widely reported. Thus, this important body of information may not reach those who are responsible for its application. Methods. --… more
Date: May 1989
Creator: Hughes, N. Sue Cothran
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Study of the Relationship between Field-Independent and Field-Dependent Cognitive Styles and Social Behaviors during Free-Play of Preschool Children

Description: The problem of this study was to discover the relationship between field-independent and field-dependent cognitive styles and social behaviors during free-play of preschool children in a school setting. This study also compared the field-independent and field-dependent cognitive styles and social behaviors during free-play between age-groups and sex-groups. Thirty-six children from a university child development laboratory were subjects. They were selected from a 3-year-old classroom and a 4-ye… more
Date: August 1989
Creator: Jun, Ye-Hwa
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Assessment of the Relationship of the Peer Assistance and Leadership (PAL) Program on the Self-Concept of At-Risk Students as Measured by the Piers-Harris Children's Self-Concept Scale

Description: The problem of this study was to determine if there was a difference in the self-concept of two groups of ninth-grade students when one group received the services of junior and senior students in a Peer Assistance and Leadership class. The results of the Piers-Harris Children's—Self—Concept Scale were used to determine the difference between the mean self-concept scores of the two groups and also to determine if there was a relationship between the criterion variable of the total self-concept … more
Date: August 1989
Creator: Karam, Patricia
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Effects of the Conflict Settlement Process on the Expressed Degree of Organizational Commitment

Description: The purpose of this research was to study the effect of the conflict settlement process on the degree of expressed organizational commitment of employees in a collective bargaining setting. The research was done in a basic industry in northern Alabama. The instrument included the Organizational Commitment Questionnaire (OCQ) developed by Mowday, Porter, and Steers. Demographic variables measured were education, age, and sex. Main effects variables were tenure; union membership; and self-describ… more
Date: May 1989
Creator: Kauffman, Nancy (Nancy L.)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Validation of the Spanish Dallas Pain Questionnaire

Description: The purpose of this study was to validate the Spanish version of the Dallas Pain Questionnaire (DPQ). Not only does the DPQ offer the potential of statistical and clinical diagnostic value but also is easily interpretable across cultural lines. No such instrument has presently been validated for the Mexican-American population. A total of 81 Spanish speaking subjects participated in this study. Of these subjects, 56 were classified as chronic pain patients by nature of their medical diagnosis a… more
Date: May 1989
Creator: Keeping, Barbara
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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