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3,039 Matching Results

Start Over Country United States States Texas Counties Dallas County, TX Year 1989

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Results: 1 - 24 of 3,039 next

(open access)

[Clipping: Club offers latest drugs for AIDS]

Continuation of an article from The Dallas Morning News discussing alternative treatments used by AIDS and HIV-positive patients supplied by the Dallas Buyer's Club. It includes a photograph of Ron Woodroof, the founder of the Dallas Buyer's Club, posing with a selection of pills and bottles. Portions of several other articles are on the back of the clipping.

Date: May 17, 1989

Creator: unknown

Object Type: Clipping

System: The UNT Digital Library

[Photograph 2012.201.B0149.0587]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.

Date: April 27, 1989

Creator: Southerland, Paul B.

Object Type: Photograph

System: The Gateway to Oklahoma History

[Photograph 2012.201.B0149.0590]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.

Date: July 27, 1989

Creator: Southerland, Paul B.

Object Type: Photograph

System: The Gateway to Oklahoma History

[Photograph 2012.201.B0252.0287]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "When Robert Hawk came to Oklahoma City to scout the market for his Spaghetti Warehouse Restaurants, he went right to the source."

Date: October 26, 1989

Creator: Hellstern, Paul

Object Type: Photograph

System: The Gateway to Oklahoma History

(open access)

Effects of Water Quality, Instream Toxicity, and Habitat Variability on Fish Assemblages in the Trinity River, Texas

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, characterized by high temperatures and low dissolved oxygen concentrations. Samples from 12 stations were collected quarterly over an 18 month period from the Trinity River and two tributaries. Water samples were analyzed for a variety of water quality variables, including metals, priority pollutants, pesticides, and general water quality parameters. Water samples were also tested for acute and subchronic effects with several test species. Fish were collected at each station and assemblages were characterized using traditional classification techniques and the Index of Biotic Integrity. In addition, sediment samples were assessed for toxic effects which could have adversely impacted fish recruitment and in situ biomonitoring experiments were performed. Quantitative habitat characterization analyses were performed to gain additional information that could possibly explains differences in fish assemblage structure related to habitat variability. Data …

Date: December 1989

Creator: Arnold, Winfred R., 1960-

Object Type: Thesis or Dissertation

System: The UNT Digital Library

(open access)

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

(open access)

A Study of College Stress and Its Measurement

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 administered to these volunteer students was the Academic Stress Test, a 35-item checklist of possible academic stressors. The students were asked to check the items which were perceived by them to be stressful and had occurred during the current semester. The T-statistic was used to analyze the total mean stress score for each variable being considered. Multiple regression was used to determine if there was any possibility that the variables might have a predictive effect for academic stress. It was found that for these freshmen students there was a significant difference between the perceived academic stress of community college freshmen and university freshmen. The mean academic stress score for university freshmen was higher than the mean for community college freshmen. …

Date: August 1989

Creator: Garrett, Sandy, 1945-

Object Type: Thesis or Dissertation

System: The UNT Digital Library

(open access)

Independent Piano Teachers: An Investigation of Their Attitudes toward Selected Attributes of Profession

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 these attributes. The problems were addressed by a questionnaire directed to independent piano teachers active in the area of Dallas-Ft. Worth, Texas. Thirty teachers were also interviewed to determine consistency of response and to explore issues which the questionnaire had raised. Reliability and validity were established at acceptable levels. Techniques of statistical analysis included Pearson's product-moment correlation, multiple regression, chi-square in conjunction with Cramer's V_, and factor analysis. The strongest attitudes expressed by the teachers in the study concerned professional self-image, altruism, client orientation, commitment to work, and independence. The most important background variables were age, years of experience, number of students, certification by a professional association, and college degree in music. A multiple regression analysis tested each variable against the dependent variable professional self-image; recognition by others, commitment to …

Date: May 1989

Creator: Crane, Joyce L. (Joyce Lydia)

Object Type: Thesis or Dissertation

System: The UNT Digital Library

(open access)

The Influence of Selected Factors on Nonpersistence of Nontraditional Students at a Comprehensive Community College

The purpose of the study was to determine the direct influences of selected environmental, academic, and background factors as well as academic outcomes and expression of intent to leave on persistence or non-persistence of nontraditional students at a comprehensive community college in the Dallas County Community College District. The study applied a conceptual model of nontraditional undergraduate student attrition. Data for this study were collected during the Fall, 1987 semester from 312 first-year nontraditional students using the two-year institution questionnaires from the National Center for Higher Education Management Systems. In addition, follow-up surveys were administered to the 97 students who did not re—enroll for the Spring, 1988 semester. The data were analyzed using discriminant function, chi square, and product-moment correlation. For these nontraditional students, educational goal commitment, cumulative grade point average (GPA) and expression of intent to leave at the end of the semester had significant direct influence on persistence or non-persistence decisions. In contrast, environmental factors such as finances, employment status, and family responsibilities, and background factors such as high school academic performance, enrollment status and parents' education level did not directly influence dropout decisions. Nontraditional students reported receiving moderate to high levels of encouragement to remain in college …

Date: May 1989

Creator: Laman, Michael A. (Michael Alan)

Object Type: Thesis or Dissertation

System: The UNT Digital Library

(open access)

Correlational Study of the UNT Neuropsych-Screen, the MMPI and Time among Chronic Pain Patients

Although many theorists have speculated that chronic pain may be linked to some sort of central neuropsychological integration deficit, a review of the current literature reveals no empirical support for this theory. This study attempts to assess the severity, if any, of neuropsychological deficits in chronic pain subjects by using a neuropsychological screen developed at the University of North Texas. Also, presented are studies of correlations between the UNT Neuropsych-screen and the MMPI. the Dallas Pain Questionnaire (DPQ), the Dallas Pain Drawing CDPD), and time since injury in order to assess any possible relationships. The subjects in this study consist of 100 volunteers. Of these subjects, 74 were patients of the Spinal and Chronic Pain Center at Medical Arts Hospital in Dallas, Texas and represented the clinical population. The remaining 26 subjects were staff volunteers from the hospital . The results of the study indicate significant differences between chronic pain subjects and non-pain subjects across many areas of neuropsychological functioning, as well as other significant correlations among many of the variables. The implications of this study are elaborated upon, in the discussion section, in detail along with limitations and future research directions.

Date: June 1989

Creator: Smith, Russell Joseph

Object Type: Thesis or Dissertation

System: The UNT Digital Library

(open access)

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

[Photograph 2012.201.B0149.0586]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Oklahoma and Texas will be in a better position to deal with hard economic times than the rest of the country, Dallas Developer Trammell Crow said Friday."

Date: April 27, 1989

Creator: Southerland, Paul B.

Object Type: Photograph

System: The Gateway to Oklahoma History

[Photograph 2012.201.B0149.0585]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.

Date: April 17, 1989

Creator: Southerland, Paul B.

Object Type: Photograph

System: The Gateway to Oklahoma History

[Photograph 2012.201.B0149.0589]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.

Date: April 27, 1989

Creator: Southerland, Paul B.

Object Type: Photograph

System: The Gateway to Oklahoma History

[Photograph 2012.201.B0149.0584]

Photograph used for a story in the Daily Oklahoman newspaper.

Date: 1989

Creator: unknown

Object Type: Photograph

System: The Gateway to Oklahoma History

(open access)

Southwest Retort, Volume 42, Number 4, April 1989

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 1989

Creator: American Chemical Society. Dallas/Fort Worth Section.

Object Type: Journal/Magazine/Newsletter

System: The UNT Digital Library