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322 Matching Results
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The Role of the U.S. Mass Media in the Political Socialization of Nigerian Immigrants in the United States
A mail survey of Nigerian immigrants in Dallas, Texas, and Chicago, Illinois, was conducted during October and November 1995. Four hundred and sixty-eight Nigerian immigrant families in the two cities were selected by systematic sampling through the telephone books. Return rate was approximately 40% (187). The variables included in the study were media exposure variables, general demographics, immigration traits, U.S. demographics, Nigerian demographics, and political and cultural traits. New variables which had not been included in previous studies were also tested in this study: television talk shows, talk radio, diffuse support for the U.S. political system, authoritarianism, self-esteem, and political participation. This study employed multiple regression analysis and path analysis of the data. This study found that Nigerian immigrants have high preference for television news as their main source of political information. This finding is in consonance with previous studies. Nigerian immigrants chose ABC news stations as their number one news station for political information. Strong positive associations existed between media exposure and length of stay in the United States and interest in U.S. politics. Talk radio positively associated with interest in U.S. politics and negatively associated with length of stay in the United States. Thus, this finding likely means …
Date:
August 1996
Creator:
Okoro, Iheanyi Emmanuel
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Sediment Bound Trace Metals in the White Rock Creek Watershed, Dallas and Collin Counties
Areas were sampled in the White Rock Creek Watershed to examine sediment bound trace metal distributions and sorption relationships. A Kruskal-Wallis AOV found significant among area differences for most metals, and SNK-like multiple comparisons were used to group these areas. Kruskal-Wallis AOVs similarly found among area differences for sediment components that bind trace metals (Fe and Mn oxides and organic carbon) and physicochemical conditions that influence metal sorption (particle size and pH). Multiple correlation found numerous relationships among trace metals, sediment components, and physicochemical conditions. Statistical relationships indicate that metal partitioning to various sorption factors is metal specific. White Rock Creek Watershed trace metal concentrations are comparable to those in many urban watersheds.
Date:
May 1990
Creator:
Combest, Kyle B. (Kyle Bryan)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Regional Water Plan: Region C, 2016, Volume 2. Appendices A-P
Appendices to the water plan for Region C including a bibliography, water supply charts and reports, water management strategies, and related reports.
Date:
December 2015
Creator:
Freese and Nichols, Inc.
Object Type:
Report
System:
The Portal to Texas History
Aquatic Heterotrophic Bacteria Active in the Biotransformation of Anthracene and Pentachlorophenol
Dominant genera of bacteria were isolated from three river waters during anthracene and pentachlorophenol biotransformation studies. The genera Pseudomonas, Acinetobacter, Micrococcus, Chromobacterium, Alcaligenes, Azomonos, Bacillus, and Flavobacterium were capable of biotransforming one or both of these compounds. These isolates were subjected to further biotransformation tests, including river water and a basal salt medium with and without additional glucose. The results of these experiments were evaluated statistically. It was concluded that only a limited number of the bacteria identified were able to transform these chemicals in river water. The addition of glucose to the growth medium significantly affected the biotransformation of these chemicals. It was also determined that the size of the initial bacterial population is not a factor in determining whether biotransformation of anthracene or pentachlorophenol can occur.
Date:
August 1985
Creator:
Entezami, Azam A. (Azam Alsadat)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Weak-Form Efficient Markets Test of the Dallas-Fort Worth Office Properties Real Estate Market
Few areas of research in the finance literature have received greater attention than the efficient market hypothesis. Much of the research has been directed toward the securities market while very little research has been done in the real estate markets. The existing research on real estate market efficiency has been either descriptive or illustrative with very little empirical testing being performed. The major reason for the lack of empirical testing has been the inability to develop an adequate data base. The results of the empirical work that has been done do not support the widely held belief that real estate markets are inefficient. This study, using the autoregressive-integrative-moving average (ARIMA) time series analysis technique, tests the weak-form efficiency of the Dallas-Fort Worth office properties real estate market. According to the weak-form efficient market hypothesis, all price information should be capitalized into current real estate prices and not provide the basis for earning abnormal returns in trading. Price data formed from office building sales dating from January, 1979 to January, 1985 are used to test the market. The data was gathered from the files of several professional appraisal firms located in the Dallas-Fort Worth area. The transaction information includes (1) transaction …
Date:
May 1987
Creator:
McIntosh, Willard
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Toxicological Characterization of Trinity River Sediments
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 / reduction methods were used to characterize sediment toxicants. Sediment oxygen demand was also measured in resuspended and undisturbed bottom sediments through time. The Background Sediment Chemistry Approach and the Sediment Bioassay Approach were used to assess sediment quality. Sediment toxicity was observed in whole sediment bioassays using Chironomus tentans as the test species. A relationship between sediment contaminant concentration and toxicity was observed in approximately sixty percent of the sediments. Oxygen demand of resuspended sediments was elevated in sediments at two locations on the river. Oxygen demand of undisturbed sediments was elevated at one location on the river. Characterization of sediment toxicants was conducted using EDTA, pH, and carbon treatments and manipulations of the sediments. Aeration tests were also used to evaluate the contribution of volatile organic contaminants to observed toxicity.
Date:
December 1989
Creator:
Hall, Jerry F. (Jerry Fowler)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Predictors of Posttraumatic Stress Disorder in a Community Sample of Women: Examination of the Role of Violence and Ethnicity
The purpose of the current study was to examine Dutton's (1992) model of moderating and mediating variables which may impact the relationship of violence from an intimate partner with the development of posttraumatic stress disorder (PTSD) symptoms. This model was tested within three ethnic groups (African American, n = 303, Euro-American, n = 271, and Mexican American, n = 260), of low income, community women in serious, long-term relationships. The importance of the differences and similarities observed are discussed within a framework of the PTSD as well as domestic violence literature.
Date:
August 1998
Creator:
Vogel, Laura C. M.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
[Review of Reports]: East Fork of the Trinity River
Report of the U.S. Army Engineers describing the geography of east fork of the trinity river including the likelihood of floods and benefits of flood control.
Date:
1962
Creator:
United States. Department of the Army. Office, Chief of Engineers.
Object Type:
Report
System:
The Portal to Texas History
Post-1982 Ozone Control Strategies: Dallas, El Paso, and Tarrant Counties: Texas State Implementation Plan
Outline of a plan to reduce volatile organic compound emissions in Dallas, El Paso, and Tarrant counties, to comply with requirements in the 1977 Federal Clean Air Act and avoid penalties. It includes background and overview information for the plan, steps for specific areas and revisions from previous plans, and an explanation of the resources and public notification to enact the plan.
Date:
1985
Creator:
Texas Air Control Board
Object Type:
Book
System:
The Portal to Texas History
The Effects of Participation in a Buddy System on the Self-Concept, Academic Achievement, Attrition Rate, and Congruence Level of Community College Developmental Studies Students
This dissertation sought to determine the effects of a buddy system on a student's self-concept, academic achievement, attrition rate, and congruence levels. The buddy system treatment randomly paired two students for the purposes of sharing ideas, working on assignments, getting to know each other, and supporting one another. The study included three randomly selected sections of pre-college level, developmental writing classes from the Brookhaven College of the Dallas County Community College District. Three other classes served as the control group, and one instructor taught all six sections of the course. Three instruments were used as measures of change: the Tennessee Self-Concept Scale (TSCS), designed by William H. Fitts, measured self-concept levels; the Personality and Educational Environment Scale (PEES), created by Roger Boshier, measured congruence levels; and a written paragraph measured achievement levels in English. Attrition percentages were based on the number of students enrolled during the second week of class who were not present during the sixteenth week of class. To test for significance, an analysis of covariance procedure was used on the TSCS, PEES, and written paragraph results, and a test for the difference between proportions for independent groups was used on the attrition percentages. The class sections were …
Date:
December 1985
Creator:
Cinclair, Carol
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Projecting Occupational Employment in 1980 in the Dallas and Fort Worth SMSAs
The purpose of the paper is to develop projections of occupational employment in the Dallas and Fort Worth Standard Metropolitan Statistical Areas (SMSA) using Area Projection Method A, developed by the U.S. Bureau of Labor Statistics (BLS) . An objective of the paper is to determine whether reasonable projections can be made for the Dallas and Fort Worth areas using the method. The projections and results can be used by local manpower and education planners to satisfy their planning requirements. The final chapter concludes that Method A does produce reasonable projections, but points out that the projections lack detail. Their value lies in projecting the overall trend and direction of the composition of employment, and their usefulness is primarily in policy making.
Date:
December 1975
Creator:
Hughes, Mark R.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Rorschach Assessment of Object Relations Development in Sexually Abused Children
Sexual abuse of children has profound negative effects on psychological development. This study examined the effects of sexual abuse on object relations functioning by using the Mutuality of Autonomy Scale (MAS, Urist, 1977) to score Rorschach protocols of 63 abused children and 60 non-abused clinical controls. The hypothesis that abused children would have less developed object relations than their non-abused counterparts was not supported. Neither was the hypothesis that children who experienced greater severity of sexual abuse would exhibit more malevolent object relations. The hypothesis that mean and modal MAS scores would be highly intercorrelated and interchangeable as research variables was supported. Comparisons of this sample to a normative sample are discussed.
Date:
December 1992
Creator:
Isler, Diane E. (Diane Evelyn)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Trends in Strategic Planning in Private Social Service Agencies: A Test of the Ramanujam and Venkatraman Planning Model
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 Greater Dallas. Telephone interviews with fifty executive directors were conducted by a trained, impartial interviewer. Stepwise discriminant analysis was used to predict group membership between informal and formal planners. Of the nine dimensions in the model, three dimensions correctly classified 84 percent of the sample. The three dimensions were fulfillment of planning objectives, use of decision making techniques, and lack of resistance to planning. The level of perceived environmental uncertainty was another criterion set. Directors who perceived high uncertainty paid more attention to the external environment, used more decision making techniques, and relied on functional specialists when planning. Large and small agencies were classified by their annual budgets. Stepwise discriminant analysis using the planning system dimensions failed to reject the null hypothesis. Agencies reporting strong relative competitive positions placed greater …
Date:
December 1989
Creator:
Gilbertson, Diana L.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
University of Texas Southwestern Medical Center Annual Financial Report: 2012
Annual financial report for the University of Texas Southwestern Medical Center at Dallas for fiscal year 2012, including statements and schedules of revenues, expenditures, assets, investments, and other relevant data.
Date:
2012
Creator:
University of Texas Southwestern Medical Center at Dallas
Object Type:
Report
System:
The Portal to Texas History
Remote Sensing and GIS for Nonpoint Source Pollution Analysis in the City of Dallas' Eastern Watersheds
This report describes the findings of a study conducted on the Eastern Watersheds of Lake Lavon, Lake Ray Hubbard, Lake Tawakoni, Lake Palestine and Lake Fork, which are located within the Blackland Prairie, Post Oak Savannah and Pineywoods provinces. These watersheds are among nine that provide drinking water to Dallas, Texas. The study examines the potential benefit of "remote sensing and geographic information systems (GIS) for watershed management" in these five watersheds (p. iii).
Date:
June 1989
Creator:
University of North Texas. Department of Biological Sciences.
Object Type:
Book
System:
The UNT Digital Library
Biomonitoring at Dallas-Fort Worth International Airport: Relating Watershed Land Use with Aquatic Life Use
The Dallas-Fort Worth International (DFW) Airport is located in a densely urbanized area with one of the fastest-growing populations in the U.S.A. The airport property includes a large tract of "protected" riparian forest that is unique to the urban surroundings. This dissertation explores variables that influence the benthic macroinvertebrate community structure found in urbanized prairie streams that were initially assessed by the University of North Texas (UNT) Benthic Ecology Lab during four, non-consecutive biomonitoring studies (2004, 2005, 2008, and 2014) funded by the DFW Airport. Additionally, land use analysis was performed using 5-meter resolution satellite imagery and eCognition to characterize the imperviousness of the study area watersheds at multiple scales. Overall, flow conditions and imperviousness at the watershed scale explained the most variability in the benthic stream community. Chironomidae taxa made up 20-50% of stream communities and outperformed all other taxa groups in discriminating between sites of similar flows and urban impairments. This finding highlights the need for genus level identifications of the chironomid family, especially as the dominant taxa in urban prairie streams. Over the course of these biomonitoring survey events, normal flow conditions and flows associated with supra-seasonal drought were experienced. Prevailing drought conditions of 2014 did not …
Date:
August 2021
Creator:
Harlow, Megann Mae Lewis
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
[Exhibit 1: Statistics from the Dallas County Health Department]
Statistics from the Dallas County Health Department containing statistics from the Dallas county AIDS registry.
Date:
January 19, 1989
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Estimated Extent and Fate of Chlorinated Solvent Contamination in the Soil of the Naval Air Station, Dallas, Texas
This thesis estimates the spatial extent of chlorinated solvent contamination of the soil at the Naval Air Station, Dallas, then estimates the fate and transport of these contaminants, over time, using the Soil Transport and Fate database and the Vadose-Zone Interactive Processes (VIP) modeling software. Geostatistical analysis identifies two areas with serious chlorinated solvent contamination. Fate and transport modeling estimates that this contamination will degrade and disperse from the soil phase to below regulatory limits within one year, although there is a risk of groundwater contamination. Contaminants are estimated to persist in the water and air phases of the soil. Further sampling is recommended to confirm the results of this study.
Date:
August 1998
Creator:
Trescott, Jill V. (Jill Virginia)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Young Children's Attitudes Regarding Ethnicity and Disability
The purpose of this study was to examine the social perceptions of young children with disabilities and young children of color. Further, an attempt was made to determine whether differential rates of acceptance were experienced by either group, or by the group of children who were of color and also had a disability within integrated classrooms. Young children (age 5.0 through 6.11) were studied in intact groups (N=120) from child care centers in the Texas counties of Denton and Dallas. Three measures of social perceptions were implemented: (a) a forced choice (multiple alternative) technique using dolls of a variety of ethnicities and ability statuses in which children must select dolls they feel represent a list of positive and negative attributes; (b) social distance theory as measured by children's artwork; (c) a sociometric rating. The results of this study showed significant areas (p< 05) of stereotype and bias in the perceptions of young children toward ethnicity, disability and gender. Implications for further research into the efficacy of multicultural and anti-bias education programs is recommended.
Date:
December 1996
Creator:
Zionts, Laura T.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Sachse Sentinel (Sachse, Tex.), Vol. 5, No. 9, Ed. 1 Monday, September 1, 1980
Monthly newspaper from Sachse, Texas that includes local news and advertising.
Date:
September 1, 1980
Creator:
Stone, Joe J. & Stone, Pat
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Regional Outlook, 2002: The Metroplex Region
Report on economic forecast and outlook for the Metroplex Region describing expected economic change for various industries, employment growth, and county-level analyses.
Date:
September 2002
Creator:
Texas. Comptroller's Office.
Object Type:
Pamphlet
System:
The Portal to Texas History
[Conversation about Dallas Gay Political Caucus]
Video of a conversation-style interview between (from left to right) Chance West, Louise Young, and Don Baker about the catalysts and early history of the Dallas Gay Political Caucus. In the video the three speakers are seated close together on a blue couch. In the few minutes at the beginning and the end of the video the group discusses more current events in their lives and in politics.
Date:
February 25, 1996
Creator:
Innocent Bystander Productions
Object Type:
Video
System:
The UNT Digital Library
Remote Sensing and GIS for Nonpoint Source Pollution Analysis in the City of Dallas' Western Watersheds
This report describes the findings of a study conducted on the watersheds of "Lake Lewisville, Lake Ray Roberts, Lake Grapevine and the Elm Fork of the Trinity River between Lake Lewisville and Frazier Dam," which are all part of the upper Trinity drainage basin (p. 31). The study examines the potential benefit of "remote sensing and geographic information systems (GIS) for watershed management" in and around Dallas, Texas (p. i).
Date:
August 1988
Creator:
University of North Texas. Department of Biological Sciences.
Object Type:
Book
System:
The UNT Digital Library
Personal Construction of the Self in Outpatients with Major Depression
Clinical depression is characterized by alterations in thoughts, judgment, cognition and social behavior. This study focuses on non-optimal views of self and significant others that are proposed to underlie many of these alterations. Perceptions of self and significant others were elicited using the Role Construct Repertory Grid (Kelly, 1955a). Participants included depressed outpatients with high levels of trait anxiety (n = 27), depressed outpatients with lower levels of trait anxiety (n = 29) and a control group of never-depressed volunteers (n = 28). Consistent with prediction, significant group differences were found for negative self perception, discrepancies between actual self and self goals, alienation from significant others, and inconsistencies in self image. Results provided partial support for the self discrepancy theory of emotionality (Higgins, 1987). Among depressed patients, higher levels of anxiety were associated with increased self negativity and greater discrepancies between actual self and self goals. Increased levels of depression were associated with more alienation from significant others and more consistency in self image. Depressed patients' judgments of self and others were altered from optimal ratios, as predicted by the theory of interpersonal judgment (LeFebvre, LeFebvre & Adams-Webber, 1986). Findings have theoretical and clinical importance for the understanding and treatment …
Date:
August 1996
Creator:
Weissenburger, Jan E. (Jan Elizabeth)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library