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Academic Achievement Among Language-Impaired Children as a Function of Intensive Preschool Language Intervention
Parents and professionals are concerned about the long-term effects of language problems on later academic, communicative and behavioral functioning of children. The purpose of this study was to examine the relationship of level of language impairment with type of class placement, reading achievement, and social emotional functioning. Subjects were 19 children, aged 4 years, 10 months through 10 years, 4 months, who had previously been enrolled in a preschool language development program. Statistical analyses were performed on data from the Kaufman Assessment Battery for Children (K-ABC), Test of Early Reading Ability (TERA), and the Achenbach Child Behavior Checklist (CBC). Results do not support a relationship between level of language impairment and academic or social/emotional functioning.
Date:
August 1990
Creator:
McCormack, Sarah (Sarah Smith)
System:
The UNT Digital Library
Academic Achievement of National Social Fraternity Pledges Compared to Non-Fraternity Students
This study examined the academic achievement of national social fraternity pledges compared to non-fraternity students at the University of Texas at Arlington. It was done to determine whether significant differences existed between the grade point averages of pledges of social fraternities and those of students who did not pledge a social fraternity, and to determine whether significant differences existed among fraternities when compared with each other with respect to academic achievement. This study was meant to provide a research design that could be used by other colleges and universities with fraternities to conduct the same comparison of academic performance. In the fall semester of 1989, 164 pledges were selected as the population for the study to be matched with non-fraternity students based on Scholastic Aptitude Test (SAT) scores, age, sex, classification, academic major, and number of hours attempted. A T-test of like groups was performed on the entire population with no significant difference found at the .05 level between all the fraternity pledges and all the matched pairs. A T-test of like groups was performed on the pledges from each separate organization and there was a significant difference among three of the fraternities. Two of the fraternities had significantly higher …
Date:
August 1990
Creator:
Gardner, Kent Lee
System:
The UNT Digital Library
Academic, Behavioral, and Social Competency Characteristics of Non-Handicapped, Learning Disabled, and Emotionally/Behaviorally Disordered Adjudicated Juveniles
The juvenile justice system is society's response to juvenile misconduct. In spite of numerous federal, state, and local programs, the problem of juvenile delinquency persists. An increasing number of juveniles are being taken into custody and placed in institutional settings. Although juvenile delinquents share a number of common general characteristics (e.g., sex, minority, lower socioeconomic status, a history of school failure), they are not a homogeneous group. Effective educational interventions with delinquent juveniles can meet their unique academic, vocational, and social skills deficits. Handicapped juveniles are disproportionately represented among juvenile correctional facility populations. The identification of handicapped juveniles among delinquent populations is compounded as they share many of the same general characteristics. Federal statutes require individualized educational programs for all handicapped juveniles. This research investigated academic, behavioral, and social competencies of non-handicapped and handicapped adjudicated youth. Specifically, this investigation assessed measures of academic performance, classroom behavior, self-esteem, and social behavior. ANOVA indicated statistically significant differences between non-handicapped, learning disabled, and emotionally/behaviorally disordered adjudicated juveniles in reading achievement, mathematics achievement, and teacher generated measures of classroom behavior.
Date:
August 1990
Creator:
Campbell, Robert E. (Robert Eugene)
System:
The UNT Digital Library
Ádám's Conjecture and Its Generalizations
This paper examines idam's conjuecture and some of its generalizations. In terms of Adam's conjecture, we prove Alspach and Parson's results f or Zpq and ZP2. More generally, we prove Babai's characterization of the CI-property, Palfy's characterization of CI-groups, and Brand's result for Zpr for polynomial isomorphism's. We also prove for the first time a characterization of the CI-property for 1 SG, and prove that Zn is a CI-Pn-group where Pn is the group of permutation polynomials on Z,, and n is square free.
Date:
August 1990
Creator:
Dobson, Edward T. (Edward Tauscher)
System:
The UNT Digital Library
Advising the ARVN: Lieutenant General Samuel T. Williams in Vietnam, 1955-1960
Beginning in 1954, the United States Army attempted to build a viable armed force in South Vietnam. Until the early 1960s, other areas commanded more American attention, yet this formative period was influential in later United States involvement in Vietnam. This thesis examines United States advisory efforts from 1955 to 1960 by analyzing the tenure of Lieutenant General Samuel T. Williams as Chief of the Military Assistance Advisory Group in South Vietnam. During Williams's tenure, the communist forces in the north began the guerrilla insurgency in earnest. Williams's failure to respond to this change has been justly criticized; yet his actions were reflective of the United States Army's attitude toward insurgencies in the late 1950s.
Date:
August 1990
Creator:
Schneider, Frederick W. (Frederick Walter), 1959-
System:
The UNT Digital Library
Aldo Rossi: From Modern to Post-Modern Architecture, 1960-1990
The purpose of this thesis is to discuss the stylistic development of the Italian architect Aldo Rossi from Modern to Post-Modern design. A summary of the Modern architectural movement is presented along with an analysis of the developments in Post-Modern architecture since 1960. The influence of Italian culture on Rossi's career is discussed through a brief survey of Ancient Roman archetypal motifs and Italian architecture of the early 20th century. Several key buildings proposed or constructed by Rossi from 1960-1990 are discussed based on his concepts of analogy, typology, morphology and rationalism.
Date:
August 1990
Creator:
Vleck, Treena Marie
System:
The UNT Digital Library
Alzheimer's Disease and Attention: An Investigation into the Initial Stage of Information Processing
This study explores the possibility that attentional deficits are an early clinical symptom of Alzheimer's disease. The three goals are to demonstrate that individuals with Alzheimer's disease are impaired on tasks of attentional processing, to compare the sensitivity of currently used measures of attention to attentional dysfunction, and to compare the behavioral response styles (errors of commission) of Alzheimer's disease subjects and non-impaired subjects. The subjects were 22 males and 46 females with a mean age of 70.76 years. Thirty-six had the presumptive diagnosis of Alzheimer's disease; 18 were identified as mildly impaired and 18 as moderately impaired on the Cognitive Capacity Screening Examination. The remaining 32 subjects comprised the non-impaired control group. Five measures of attention were administered to all participants: the Digit Span Subtest of the WAIS-R, the Seashore Rhythm Test of the Halstead-Reitan Neuropsychological Battery, the Vigilance and Distractibility tasks of the Gordon Diagnostic System, and the Concentration/Interference task. The results show a significant difference in attentional processing between normal (non-impaired) subjects and subjects diagnosed with Alzheimer's disease. All measures of attention used in this study, except the Concentration/Interference task, differentiated normal subjects from moderately impaired Alzheimer's disease subjects. The Digit Span Subtest and the Seashore Rhythm …
Date:
August 1990
Creator:
Houtz, Andrew W. (Andrew William)
System:
The UNT Digital Library
Analysis of a Human Transfer RNA Gene Cluster and Characterization of the Transcription Unit and Two Processed Pseudogenes of Chimpanzee Triosephosphate Isomerase
An 18.5-kb human DNA segment was selected from a human XCharon-4A library by hybridization to mammalian valine tRNAiAc and found to encompass a cluster of three tRNA genes. Two valine tRNA genes with anticodons of AAC and CAC, encoding the major and minor cytoplasmic valine tRNA isoacceptors, respectively, and a lysine tRNAcuu gene were identified by Southern blot hybridization and DNA sequence analysis of a 7.1-kb region of the human DNA insert. At least nine Alu family members were found interspersed throughout the human DNA fragment. The tRNA genes are accurately transcribed by RNA polymerase III in a HeLa cell extract, since the RNase Ti fingerprints of the mature-sized tRNA transcription products are consistent with the DNA sequences of the structural genes. Three members of the chimpanzee triosephosphate isomerase (TPI) gene family, the functional transcription unit and two processed pseudogenes, were characterized by genomic blotting and DNA sequence analysis. The bona fide TPI gene spans 3.5 kb with seven exons and six introns, and is the first complete hominoid TPI gene sequenced. The gene exhibits a very high identity with the human and rhesus TPI genes. In particular, the polypeptides of 248 amino acids encoded by the chimpanzee and human …
Date:
August 1990
Creator:
Craig, Leonard C. (Leonard Callaway)
System:
The UNT Digital Library
An Analysis of Dominick Argento's "Peter Quince at the Clavier": the Music and Its Relationship to the Text
Dominick Argento (b. 1927) occupies an important position among American composers. This thesis discusses his 1980 choral work Peter Quince at the Clavier: Sonatina for Mixed Chorus and Piano Concertante. On the surface, the choral and piano parts of this four movement work often sound dissimilar. To create unity within this composition, Argento utilizes a small number of generative elements that govern the pitch, intervallic, and rhythmic dimensions of the composition. This thesis also discusses the relationship between the music and the text, a poem by Wallace Stevens (1879-1955).
Date:
August 1990
Creator:
Gonzales, Cynthia I. (Cynthia Inez)
System:
The UNT Digital Library
The Analysis of PCDD and PCDF Emissions from the Cofiring of Densified Refuse Derived Fuel and Coal
The United States leads the world in per capita production of Municipal Solid Waste (MSW), generating approximately 200 million tons per year. By 2000 A.D. the US EPA predicts a 20% rise in these numbers. Currently the major strategies of MSW disposal are (i) landfill and (ii) incineration. The amount of landfill space in the US is on a rapid decline. There are -10,000 landfill sites in the country, of which only 65-70% are still in use. The Office of Technology Assessment (OTA) predicts an 80% landfill closure rate in the next 20 years. The development of a viable energy resource from MSW, in the form of densified Refuse Derived Fuel (dRDF), provides solutions to the problems of MSW generation and fossil fuel depletions. Every 2 tons of MSW yields approximately 1 ton of dRDF. Each ton of dRDF has an energy equivalent of more than two barrels of oil. At current production rates the US is "throwing away" over 200,000,000 barrels of oil a year. In order to be considered a truly viable product dRDF must be extensively studied; in terms of it's cost of production, it's combustion properties, and it's potential for environmental pollution. In 1987 a research …
Date:
August 1990
Creator:
Moore, Paul, 1962-
System:
The UNT Digital Library
Anger/Hostility: Reliability of Measurement and Correlates of Health History
The purpose of this study was to (1) assess the reliability and validity of anger/hostility measures, (2) examine the relationship between anger/hostility and other negative emotions, and (3) examine the relationship between anger/hostility and health history. Sixty-five subjects were given the Buss Durkee Hostility Inventory (BDHI), the State-Trait Anger Expression Inventory (STAXI), the Profile of Mood States pomsS), the Clinical Analysis Questionnaire (CAQ), the State-Trait Anxiety Inventory (STAI), the Health and Wellness Attitude Inventory (HWAI), and a health questionnaire designed to provide information about past disease and alcohol/drug use. Overall, the BDHI and POMS displayed good test-retest reliability. All six of the global indices of anger/hostility intercorrelated at a significant level, thus demonstrating good concurrent validity. The six global measures of anger/hostility also correlated at a significant level with other negative emotions.
Date:
August 1990
Creator:
Buri, Robert J. (Robert John)
System:
The UNT Digital Library
Aqueous Solubilities and Transformation of Chlorinated Benzenes
Aqueous solubilities of twelve chlorinated benzenes were determined by two methods. In one method, the solutions in water were prepared by a vigorous stirring method followed by n-hexane extraction and GC-ECD analysis. In the second method, HPLC was used to prepare the saturated solutions. Experimental results were compared with the predictive values, the relative standard deviations are around 10%. Most of the chlorinated benzenes exhibit water induced transformations. The transformation products were either isomeric or with higher and lower numbers of chlorine substituents. The transformation phenomena can be explained by polarity, symmetry, reactivity of the chlorine atoms, and hydrophobic interactions. The mechanism of the transformation is governed by the radical mechanism.
Date:
August 1990
Creator:
Wang, Hui-Wen
System:
The UNT Digital Library
The Aronson Cognitive Residual Evaluation Scale (ACRES): an Evaluation of Reliability with the Elderly
The Aronson Cognitive Residual Evaluation Scale (ACRES) is a new, relatively short neuropsychological test which attempts to measure residual cognitive skills. This study evaluated the ACRES test-retest reliability over a one to twelve month interval. The Trail Making Test (TMT) was included as a validation measure. Subjects were 58 males and females, aged 68 to 94, living in a retirement center or in the community. The ACRES exhibited moderate to strong reliability correlations and the TMT demonstrated low to moderate correlations with the ACRES. There was no time interval effect. Age had a negative effect on four of five ACRES subtests and gender was significant for one ACRES subtest and the TMT Part B. Percent of subjects classified as brain impaired using traditional cutoffs was higher than when age-corrected norms were used. Clinical utility of the ACRES and the TMT is discussed regarding need for age-corrected norms.
Date:
August 1990
Creator:
Marcontell, Deborah K. (Deborah Kay)
System:
The UNT Digital Library
Assessment of Functional Communication Skills in Institutionalized and Non-Institutionalized Elderly Subjects Using the Spontaneous Speech and Auditory Comprehension Subtests of the Western Aphasia Battery
The purpose of this study was to determine if there is a difference in functional communication skills between elderly persons in nursing homes and those living independently in the community. Thirty non-institutionalized elderly subjects were given the Western Aphasia Battery (WAB) screening tool. These scores were compared to WAB screening scores obtained from 20 institutionalized subjects. The difference between these scores was statistically significant. The institutionalized subjects' scores were also correlated with a Facilitators Evaluation of Communication Skills (FECS) inventory. Results showed a moderate correlation between the institutionalized subjects' WAB screening score and their FECS rating. The benefits of a screening tool for elderly populations are discussed.
Date:
August 1990
Creator:
Cutshaw, Laura M. (Laura Marie)
System:
The UNT Digital Library
Assessment of the Effects of Communication Training on the Adult Elderly and the Assisting Adult Child
This study examined the effects of Systematic Training for Effective Parenting (STEP) on affection, communication, and relationship between elderly parents and their assisting adult children. Twenty-eight pairs of parents and children were randomly assigned to treatment or control groups. Subjects took Quinn's Family Life Questionnaire as pre-, post-, and follow-up tests. Parents and children in the treatment groups attended a four-session STEP workshop. No significant differences were found on the 2 x 2 analysis of variance for repeated measures for the parents or adult children. Quinn's affection and relationship variables approached significance for the parents over time. His variable affection approached significance for the children over time, irrespective of group. Agreement approached significance for children in the treatment group. The results for the parents regarding affection suggest that the study may have emphasized their feelings of trust. Although the data for relationship approached significance, it was negative, indicating that parents in the treatment group may have reduced their interaction with their assisting children perhaps because they were learning new communication skills. The data for the children regarding affection approached significance, but it was negative, suggesting they felt free to question their feelings about themselves and their parents. The results for …
Date:
August 1990
Creator:
Goldstein, Roberta Eisman
System:
The UNT Digital Library
Borrowing or Stealing: The Language and Moral Development of Criminals and Noncriminals
The present study was undertaken (1) to compare the connotative meanings criminals attach to a sampling of concepts with those meanings attached by noncriminals, and (2) to examine the possible relationship between moral development and criminal behavior. One hundred thirty four male subjects completed the Wide Range Achievement Test- Revised (Reading Section); a personal data sheet; the Ammons Quick Test-Form I; the Criminal Semantic Inventory; the Test for Criminal Cognitions; and the Sociomoral Reflection Questionnaire. Subjects were divided into four groups (Noncriminals, Against Person Group, Against Property Group, and Against Statute Group) on the basis of history of criminal conviction. A one-way MANOVA was conducted on each of the 16 concepts under investigation. Significant differences were found for five concepts. In addition, criminals were found to differ significantly from noncriminals on level of moral development.
Date:
August 1990
Creator:
Haynes, Linda Carol
System:
The UNT Digital Library
Cenotaph: A Composition for Computer-Generated Sound
Cenotaph is a work of fifteen minutes duration for solo tape realized on the Synclavier Digital Music System at the Center for Experimental Music and Intermedia. All of the sound materials in the work consist of resynthesized timbres derived from the analysis of digital recordings of seven different human voices, each speaking the last name of one of the Challenger astronauts. The work's harmonic resources are derived in a unique way involving partitioning of the octave by powers of the Golden Section. The work is in a single movement divided into three sections which function as prologue, action, and epilogue, respectively. This formal structure is reinforced by differentiation of harmonicmaterials and texture. Although Cenotaph cannot be performed "live" and exists only as a recording, a graphic score is included to assist analysis and study.
Date:
August 1990
Creator:
Rogers, Rowell S. (Rowell Seldon)
System:
The UNT Digital Library
The Chaconne Bass as a Musical Topos in Mozart's Fantasia Music
This thesis provides evidence that a particular "topos" from the high Baroque's exalted style, the so-called chaconne bass, made a profound impact on a considerable body of Mozart's compositions from the last ten years of his life in Vienna. After identifying the topos in the first chapter, a detailed study in chapter two shows how Mozart's faith in the extraordinary emotional power carried by this topos was enough for him to work it into all of the completed keyboard fantasias. Chapter three illustrates that an understanding of the chaconne bass and its unmistakable association with the fantasia style can shed new light on three of Mozart's most enigmatic compositions from his final period, K. 465, K. 491, and K. 527.
Date:
August 1990
Creator:
Spicer, Mark Stuart
System:
The UNT Digital Library
Characterization of the Specificity of DNA Uptake and Transformation by Naturally Competent Acinetobacter Calcoaceticus
Although cultures of A. calcoaceticus BD413 are naturally competent at all growth phases, genetic markers can only be successfully transformed by DNA from the genus Acinetobacter. Transformation frequencies of nearly 1.2% were obtained with pcaA mutants were incubated in liquid culture with wild-type DNA.
Date:
August 1990
Creator:
Ahmadian-Tehrani, Mohsen
System:
The UNT Digital Library
Cognitive Decline in Chronic Pain Patients: A Neuropsychological Evaluation
The purpose of the present study was to investigate cognitive functioning in a group of 30 chronic pain patients (CPG) as compared to a group of 39 acute pain patients (APG). In order to assess cognitive performance, certain subtests were selected from the McCarron-Dial System (MDS) of Neuropsychological Evaluation. Specifically, a measure of haptic discrimination was used along with the Bender Visual Motor Gestalt Test. As such, completion of these subtests required a cortically mediated, central nervous system processing of sensory information. This particular method of assessment was chosen because it provided a nonverbal measure of higher-order cognitive performance. Additionally, the haptic measure provided separate scores for right and left hemispheric functioning. Data analysis revealed significantly poorer Bender performance among CPG members (t(69) = -5.09, E - •0004, two tailed). Further data analysis revealed that the CPG performed significantly poorer on certain of the haptic discrimination subtests. Specifically, both texture and configuration scores for the right hemisphere were significantly lower among CPG members (texture, p = -042 and configuration, p = .002). Subsequent analyses were conducted to determine predictive relationships between important variables. These data are discussed in terms of their clinical significance and importance for future research.
Date:
August 1990
Creator:
Nite, Leesa C. (Leesa Celeste)
System:
The UNT Digital Library
A Comparative Study of Terrorism in Southwest Asia 1968-1982
This study assumes that political terrorism results from conscious decision-making by groups opposing a governing system, policy or process. The kinds of terrorist activity employed depend upon such factors as the philosophy, goals, objectives, and needs of the terrorist group. This presents a comparative analysis of three types of terrorists in southwest Asia: Palestinians, Marxist-Leninists, and Muslims. The first section summarizes and compares the three groups' motivational causes, philosophies, histories and sources of inspiration. The second section compares their behavior from four perspectives: trends and patterns, level of violence, tactical preferences, and lethality. The third section identifies and categorizes socioeconomic, political and military variables associated with tactic selection and acts of terrorism.
Date:
August 1990
Creator:
Zonozy, Nassrullah Y. (Nassrullah Yeganeh)
System:
The UNT Digital Library
The Consequences of Implementing Statistical Process Control
This study evaluated the changes which occur in manufacturing organizations in the plastic molding industry which implement statistical process control (SPC). The study evaluated changes in product quality, consistency, cost, changes in employee attitudes, and changes in the organization structure which occur after the implementation of SPC. The study was conducted in two phases. Phase 1 consisted of an exploratory field study of a single manufacturing company. Phase 2 consisted of a field survey of three manufacturing companies in the same industry. An unexpected opportunity to evaluate the differences in effects of successful and unsuccessful SPC implementations occurred during the field survey. One plant, whose management assessed their SPC program as being unsuccessful, reported no economic or quality benefits from SPC. Neither did this plant report any changes in the attitudes or behavior of their employees. Neither of these findings was surprising since this plant was the only one of the four study plants which implemented SPC as a quality control program with no participation from the production department. The three plants whose management assessed their SPC programs as being successful reported reduced product variation and a decrease in the proportion of defective product produced as a result of SPC. …
Date:
August 1990
Creator:
Sower, Victor E.
System:
The UNT Digital Library
Copland's "Single Vision" and the Piano Sonata: A Lecture Recital, Together with Three Recitals of Selected Works of J.S. Bach, B. Bartok, L.v. Beethoven, F. Chopin, F. Liszt, W.A. Mozart, J.P. Rameau, M. Ravel, and F. Schubert
Difficulties are encountered in any discussion of Copland's style, for his works cover the spectrum from harsh, dissonant works to folk music. To avoid the task of defining a style which encompasses this array of vastly different pieces, a sharp distinction is frequently made between the abstract and popular works. However, Copland has repeatedly objected to such categorization, claiming that he composed from a single vision. A careful examination of his total output proves the validity of his claim. Many common characteristics are found throughout works from all categories and time periods. These traits include a basic economy of materials, emphasis on thirds, consistent method of development, use of declamation, jazz-influenced rhythms, cyclicism, and a slow/fast/slow sequence of movements, as well as within single movements. This document uses the Piano Sonata as a model of Copland's style, for it exemplifies these characteristics more clearly than any other major piece for piano. By making numerous comparisons with other works, Copland's single vision is revealed.
Date:
August 1990
Creator:
Morris, Gregory W. (Gregory Wayne)
System:
The UNT Digital Library
Criteria by Which Ad Hoc Labor Arbitrators are Selected by Union and Management Advocates in the Petroleum Refining Industry
A non-experimental, descriptive study was conducted to examine the criteria by which ad hoc labor arbitrators are selected in the petroleum refining industry. Three factors — arbitrator background, recognition, and arbitration practice — were examined to determine their relative importance to advocates selecting ad hoc labor arbitrators. The population of the study consisted of management and labor union advocates in the petroleum refining industry who routinely select ad hoc labor arbitrators. Participating management and union advocates completed a questionnaire used to gather respondents' evaluations of criteria considered in the selection of ad hoc arbitrators. Responses to statements designed for measuring relative importance of the criteria considered were recorded. Descriptive statistics, discriminant analysis, and tests of significance were used in the treatment of the data.
Date:
August 1990
Creator:
Wayland, Robert F. (Robert Franklin)
System:
The UNT Digital Library