Spatial and Temporal Influences of Water Quality on Zooplankton in Lake Texoma (open access)

Spatial and Temporal Influences of Water Quality on Zooplankton in Lake Texoma

Seventy-one aquatic species including the copepodids and nauplii were identified from Lake Texoma from August 1996 to September 1997. Zooplankton community structure, abundance and spatial and temporal distributions were compared among five lake zones delineated a priori based on chloride concentration. The zones, in order of decreasing chloride concentration, are the Red River zone (RRZ), Red river Transition zone (RRTZ), Main Lake zone (MLZ), Washita River Transition zone (WRTZ) and Washita River zone (WRZ). Bray Curtis Similarity Index showed community structure was most similar in the two Red River arm zones, the two Washita River arm zones and the MLZ. Zooplankton abundance was greatest in the Red River arm (312 org/L), intermediate in the Washita River arm (217 org/L) and least in the Main Lake body (103 org/L). A significant increase in the abundance of a deformed rotifer, Keratella cochlearis, was observed mainly in the Red River arm during a second study from March 1999 to June 1999. Seasonal dynamics, rather than spatial dynamics, were more important in structuring the zooplankton community, especially in the two river arms. Spatial variance was solely attributed to station and zone effects independent of time for a few crustacean species and many of the …
Date: May 2000
Creator: Franks, Jessica L.
System: The UNT Digital Library
What Went Wrong?  How Arrogant Ignorance and Cultural Misconceptions Turned Deadly at the San Antonio Courthouse, March 19, 1840 (open access)

What Went Wrong? How Arrogant Ignorance and Cultural Misconceptions Turned Deadly at the San Antonio Courthouse, March 19, 1840

Although the Council House Fight is well written about in the annals of early Texas history, this all-encompassing study will reveal a whole new picture. Unlike previous works that maintained one point of view, multiple perspectives were analyzed and explored to allow a more comprehensive view of the Council House Fight to emerge. Primary focus on social and cultural misunderstandings, as well as the mounting hostility between the Penateka Comanche and Texians across the frontier, will demonstrate their general distrust and hatred of the other. Detailing their complicated relationship will prove that neither the Texians nor the Comanche were without blame, and both shared responsibility for the deterioration of events on and before March 19, 1840.
Date: May 2008
Creator: Copeland, Cristen Paige
System: The UNT Digital Library
An Analysis of the Factors Affecting Consumer Co-operation in the United States (open access)

An Analysis of the Factors Affecting Consumer Co-operation in the United States

A study of consumer cooperation in the United States relating to education, labor, business, religion, and government.
Date: May 1939
Creator: Davidson, Curtis D.
System: The UNT Digital Library
A Comparison of Scores Made on the MMPI and CTMM by Two Groups of Juvenile Delinquents Apprehended for Auto Theft and a Group of Non-Delinquents (open access)

A Comparison of Scores Made on the MMPI and CTMM by Two Groups of Juvenile Delinquents Apprehended for Auto Theft and a Group of Non-Delinquents

The problem of this study was to determine if juvenile delinquents who commit auto theft without an accomplice differ significantly in certain characteristics from those who commit such thefts with one of more confederates. The characteristics investigated were: (1) scores made on individual scales of the Minnesota Multiphasic Personality Inventory and (2) intellectual ability as measured by the California Short-Form Test of Mental Maturity. Furthermore, the same characteristics were examined to determine if a significant difference existed between each of the groups of juvenile delinquents and a group of juveniles who did not have a record of delinquency and attended Sunday School classes regularly.
Date: May 1963
Creator: Sypert, Walter Charles
System: The UNT Digital Library
Increasing the Social Interaction in a Fifth-Grade Class: a Sociometric Study (open access)

Increasing the Social Interaction in a Fifth-Grade Class: a Sociometric Study

The purpose of this study is to change the structure of a fifth-grade class in order to increase the social interaction of the group.
Date: May 1961
Creator: Baugh, James Robert
System: The UNT Digital Library
The Effects of Group Discussion on Some Dimensions of Personality (open access)

The Effects of Group Discussion on Some Dimensions of Personality

It is the basic hypothesis of this study that there exists a relationship between personal attitude and value changes and participation in group discussion. The purpose of this study will be an attempt to assess how some personality variables change as a result of group discussion.
Date: May 1961
Creator: Remeny, John Allen
System: The UNT Digital Library
A Comparative Study of the Reading Interests of Junior and Senior Students in Ten Texas High Schools (open access)

A Comparative Study of the Reading Interests of Junior and Senior Students in Ten Texas High Schools

The problem undertaken in this study was that of making an effort to determine, in so far as was possible, the reading interests of the students enrolled in the high school at Nocona, Texas, during the 1954-1955 school session. A secondary phase of the problem was to compare these reading interests with those of students enrolled in nine other typical high schools of comparable size in other sections of Texas, as determined by means of a questionnaire survey.
Date: May 1955
Creator: Mitchell, Aubrey Thera
System: The UNT Digital Library
A Comparative Study of Anxiety between Science and Art Majors (open access)

A Comparative Study of Anxiety between Science and Art Majors

The purpose of this study is to determine the levels of anxiety in college freshmen and seniors from the Departments of Science and Art at North Texas State College by using the Taylor Manifest Anxiety Scale. It is hoped that the findings uncovered by this study will be of help to others interested in investigating and exploring this area.
Date: May 1960
Creator: Benningfield, Milo Francis
System: The UNT Digital Library
A Study of Personality Patterns of Aspirants to the Ministry of the Episcopal Church (open access)

A Study of Personality Patterns of Aspirants to the Ministry of the Episcopal Church

It is the purpose of this study to investigate the personality patterns of a group of applicants who have been under the auspices of the Bishop of the Episcopal Diocese of Dallas and have received a psychiatric and psychological evaluation. The various aspects of their examinations will be investigated to determine what personality types have been more acceptable in this diocese and subsequent success in their vocation.
Date: May 1960
Creator: Clark, David D.
System: The UNT Digital Library
A Study of the Organization and Administration of the Industrial Arts Program in the Junior High Schools in Fort Worth, Texas, with Emphasis upon the Curriculum (open access)

A Study of the Organization and Administration of the Industrial Arts Program in the Junior High Schools in Fort Worth, Texas, with Emphasis upon the Curriculum

The specific purposes of the study are: 1. To ascertain the curriculum pattern with respect to the different phases of industrial arts taught in all the junior high schools. 2. To ascertain the phases or unit and subject matter content taught in each of the junior high schools. 3. To ascertain the grade levels at which the various phases and units of learning are taught in each school. 4. To ascertain if there are variations in subject matter content taught in each of the junior high schools. 5. To make suggestions and recommendations based upon the findings of the study for improving organization and administration of the industrial arts program.
Date: May 1959
Creator: Payne, Robert Furman
System: The UNT Digital Library
Methods Used to Classify Men Students Enrolled in the Physical Education Required Program at Selected Colleges and Universities in Texas (open access)

Methods Used to Classify Men Students Enrolled in the Physical Education Required Program at Selected Colleges and Universities in Texas

The purpose of this study is 1. to determine methods currently used by institutions surveyed by the study to classify men students enrolled in physical education required programs; 2. To evaluate methods in use by institutions surveyed by the study to classify men students enrolled in physical education required programs.
Date: May 1959
Creator: Spence, Dale William
System: The UNT Digital Library
The Effects of Hexadecanol on the Microbiota of Lake Hefner (open access)

The Effects of Hexadecanol on the Microbiota of Lake Hefner

It seemed desirable to investigate more fully the effect of hexadecanol on the microbial population of a reservoir. It was the purpose of this investigation to determine the effect of hexadecanol on the micro-biota of Lake Hefner, to ascertain which organisms were stimulated by hexadecanol both in the laboratory and the reservoir, and to investigate the degradation of hexadecanol by microorganisms selected from Lake Hefner.
Date: May 1968
Creator: Dickson, Kenneth L.
System: The UNT Digital Library
Principles and Application of Numerically Controlled Machines (open access)

Principles and Application of Numerically Controlled Machines

The purpose of this study is threefold. First, numerical control will be analyzed objectively to ascertain its justification in terms of meeting the requirements of the basic manufacturing process phases. Secondly, the study will consist of an evaluation of the field of industrial arts in the Dallas-Fort Worth area to determine how numerical control has been accepted in the educational field and what preparation, if any, is being made to include the teaching of this new industrial concept. Thirdly, the study will investigate the feasibility and cost of installing numerically controlled equipment in the industrial arts laboratories of North Texas State University.
Date: May 1968
Creator: Koehler, Richard A.
System: The UNT Digital Library
A Qualitative Survey of the Airborne Algae, Protozoa, and Bacteria at the Denton Sewage Treatment Plant (open access)

A Qualitative Survey of the Airborne Algae, Protozoa, and Bacteria at the Denton Sewage Treatment Plant

This study had a three-fold purpose. First, it was decided to determine if algae and protozoa were emitted to the air at the Denton sewage treatment plant. The information obtained could be of future importance in the fields of algal and protozoan ecology and public health. Second, it was decided to make a survey of the airborne bacteria at this plant. Some researchers have described bacterial air contamination at similar sewage treatment plants, but the one in Denton has not been studied. Third, it was hoped that in this research some relationships could be found between the bacteria and the algae and protozoa in the air in the vicinity of the sewage aeration basin. It was hypothesized that pathogenic bacteria were carried in the air with these other organisms.
Date: May 1968
Creator: Mahoney, Joseph L.
System: The UNT Digital Library
An Analysis of the Texas University Interscholastic League One-Act Play Directors as Drama Teachers (open access)

An Analysis of the Texas University Interscholastic League One-Act Play Directors as Drama Teachers

The purpose of this study is to determine (1) what training is recommended for high school teachers of drama, (2) what training the high school teachers of drama actually have, (3) what job situation is recommended for the high school teacher of drama, and (4) what job situation the high school teachers of drama in the State of Texas actually have. This study should determine if there is a significant relationship between what a high school drama teacher should be and what the high school drama teachers of Texas actually are.
Date: May 1968
Creator: Pettigrew, Eva Jo
System: The UNT Digital Library
The Relationship of Anxiety, Reported Ability to Swim, and a Perceptual-Motor Skill (open access)

The Relationship of Anxiety, Reported Ability to Swim, and a Perceptual-Motor Skill

The problems relevant to this study are concerned with the effect of specific performance criteria on the MAS. The purpose of this study is to determine if MAS scores are related to the following: (1) a subject's inability to swim, (2) a subject's performance on a pursuit rotor task, (3) the effects of an interaction of these criteria.
Date: May 1968
Creator: Sick, Robert H.
System: The UNT Digital Library
A Study of Job Prerequisites for Certain Female Employees in the Electronics Industry in the Dallas Metropolitan Area (open access)

A Study of Job Prerequisites for Certain Female Employees in the Electronics Industry in the Dallas Metropolitan Area

This study attempted to find out what the employment opportunities and requirements were for women in certain areas of electronic manufacturing.
Date: May 1968
Creator: Wied, Alexander F.
System: The UNT Digital Library
The Effects of Musical Stimuli on the Gross Motor Activity of Profound Mental Retardates (open access)

The Effects of Musical Stimuli on the Gross Motor Activity of Profound Mental Retardates

It was the purpose of this present study to investigate the effects of two types of music, tonic and sedative, on the gross motor activity of profound mental retardates. The primary objective was to determine if therapeutic benefits resulting from the application of music could be extended to profound retardates as has already been demonstrated with other levels of retardation.
Date: May 1969
Creator: Angelloz, Robert E.
System: The UNT Digital Library
A Study of the Effects of Fatigue, as Induced by the Harvard Step Test, on Kinesthetic Perception (open access)

A Study of the Effects of Fatigue, as Induced by the Harvard Step Test, on Kinesthetic Perception

The purpose of the study was to ascertain the effects of induced fatigue on performance of the balance, lengthwise test, the leg raise test, the vertical space te4st, and the separate feet test.
Date: May 1969
Creator: Bryant, James C.
System: The UNT Digital Library
Social Area Analysis and Transportation Patterns: Dallas, Texas, 1960 (open access)

Social Area Analysis and Transportation Patterns: Dallas, Texas, 1960

When the heterogeneity of the city is considered, the sociological implications which stem from this heterogeneity become important to understanding the social structure of the city. One of these sociological implications is intrinsic in the patterns of transportation. This is an ecological study of the structure and changing structure of parts of the city. We will study the relationship between two variables; social area characteristics and patterns of transportation.
Date: May 1969
Creator: Byler, Don L.
System: The UNT Digital Library
The Interrelationships among Anxiety, Intelligence, and Academic Achievement in College Students (open access)

The Interrelationships among Anxiety, Intelligence, and Academic Achievement in College Students

It was the purpose of this study to investigate the nature of the relationships among anxiety, achievement, and intelligence. It was deduced that anxiety and intelligence work together mainly at the level of average intelligence. At this level, the addition of drive in the form of anxiety increases performance level, while a lack of drive or anxiety decreases that level. The influence of anxiety on academic achievement is insignificant at other levels due to the overriding effects of intelligence.
Date: May 1969
Creator: Combs, Don Carlos
System: The UNT Digital Library
American Artillery in the Mexican War 1846-1847 (open access)

American Artillery in the Mexican War 1846-1847

This thesis presents a history of the United States' war with Mexico with a focus on the maturing of the United States artillery on the battlefields of Mexico.
Date: May 1969
Creator: Dillon, Lester R.
System: The UNT Digital Library
A Study of the Physical Facilities Needed for Organizing, Administrating, and Implementing Vocational-Industrial Education in the Monahans-Wickett-Pyote Independent School District (open access)

A Study of the Physical Facilities Needed for Organizing, Administrating, and Implementing Vocational-Industrial Education in the Monahans-Wickett-Pyote Independent School District

The purpose of the study was to gather information that would be helpful in planning and implementing a vocational education program in the Monahans-Wickett-Pyote Independent School District in response to a written request by George L. Cullender, Superintendent of Schools. This study was intended to supplement the Texas Education Agency's occupational survey.
Date: May 1969
Creator: Fielding, Frank T.
System: The UNT Digital Library
The Local Administration of the War on Poverty with the Maximum Feasible Participation of the Poor; its Problems and Prospects: Community Action Program (open access)

The Local Administration of the War on Poverty with the Maximum Feasible Participation of the Poor; its Problems and Prospects: Community Action Program

The present study examines the background of the Economic Opportunity Act in a local administrative structure. An extensive investigation is made of the Community Action Program of Laredo, Texas. The Community Action Program is a new approach which is still in the formative period and this receptive to constructive suggestions for change. Perhaps, it is hoped, this study will point the direction for such change, to the benefit of the long-run effectiveness of the poverty program as well as healthier interlocal relations.
Date: May 1969
Creator: Garza, Lorenzo
System: The UNT Digital Library