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The Eastman case studies
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Corpus of News on the Web
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Journal of Applied Rehabilitation Counseling
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Music for Natural Trumpet
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American Military Studies Series; no. 5
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887 Matching Results
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The Apologist Tradition: A Transitional Period in Southern Proslavery Thought, 1831-1845
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Early antebellum defenders of slavery acknowledged that slavery created problems for southern society. They contended, however, that slave society was better and more natural than other forms of social organization. Thomas R. Dew, William Harper, and James Henry Hammond each expressed a social philosophy in which slavery had a crucial role in preserving social order. They argued from the basis of social organicism, the idea that society should have an elite that controlled the masses. For all three men, slavery represented a system of order that helped balance the dangers of democracy. Significantly, however, all three men recognized that the slave system was not perfect, and despite their defense of slavery, argued that it was a human institution and therefore corruptible.
Date:
December 2000
Creator:
Austin, Clara
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Pyrimidine Enzyme Specific Activity at Four Different Phases of Growth in Minimal and Rich Media, and Concomitant Virulence Factors Evaluation in Pseudomonas aeruginosa
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Pseudomonas aeruginosa is a Gram-negative rod, aerobic, non-fermenting, oxidase positive, pigment producing, and nutritionally versatile bacterium. Infections by P. aeruginosa are the most important cause of morbidity and mortality in immunocompromised patients, given virulence factor production that suppresses antibiotic therapy and promotes persistent infection. This research is the first comprehensive report of the pyrimidine biosynthetic pathway for all phases of growth in minimal and rich media coupled with the evaluation of virulence factor production of P. aeruginosa in comparison to four other bacterial species (Pseudomonas putida, Pseudomonas fluorescens, Burkholderia cepacia, and Escherichia coli wild-type strains). Cellular growth and passing genetic information to the next generation depend on the synthesis of purines and pyrimidines, the precursors of DNA and RNA. The pyrimidine biosynthetic pathway is essential and found in most organisms, with the exception of a few parasites that depend upon the pyrimidine salvage pathway for growth. Both the pyrimidine biosynthetic and salvage enzymes are targets for chemotherapeutic agents. In our laboratory, research on pyrimidine auxotrophic mutants showed the role of the pyrimidine biosynthetic pathway and its intermediates on P. aeruginosa metabolism and impaired virulence factors production. The present research shows that pyrimidine enzymes are active in all phases of growth, …
Date:
December 2005
Creator:
Azad, Kamran Nikkhah
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A model for designing a new telecommunication system in Mongolia
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The objective of this research is to design, and determine the feasibility of, a telecommunication system for the city of Erdenet, Mongolia. The Mongolian Telecommunication Company, Telecommunication Company of Erdenet city, and the National Statistical Office of Mongolia provided the data required for telecommunication forecasting of Erdenet. The literature review and analysis of the telecommunication forecasting indicate the need for a model of a new Telecommunication system in Erdenet, Mongolia. The model, as indicated, should become a useful example for planning and updating the telecommunication system in Mongolia. The design of a proposed telecommunication network involves the following considerations: analyzing and forecasting telephone traffic, calculating the required number of channels, determining exchange locations, traffic matrix, and establishing a basic hierarchical structure.
Date:
May 2001
Creator:
Baatarjav, Enkhbat
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Developmental Physiology of the Zebrafish: Influence of Environment and Cardiovascular Attributes
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Temperature effects on the development of the zebrafish embryos and larvae and adults were examined. It was found that the earlier in development a temperature change was performed on an embryo, the more significant the change in survival and/or subsequent development. Thus, viable temperature ranges for zebrafish widened significantly as development proceeded. Adults reared and bred at 25oC produced embryos that were significantly more successful at the lower range of rearing temperatures compared to embryos produced from adults reared at 28oC. The majority of this study focused on the physiological effects of swim training during development in the zebrafish. The earlier in development the zebrafish larvae were trained, the greater the mortality. Trained free swimming larvae had a significantly higher routine oxygen consumption after 11 days of training, and a higher mass specific routine metabolic rate after 8 and 11 days of training. Trained free swimming larvae consumed significantly less oxygen during swimming and were more efficient at locomotion, compared to control larvae. Training enhanced survival during exposure to extreme hypoxia in all age groups. Performance aspects of training were investigated in attempt to quantify training effects and in most cases, trained fish performed significantly better than controls. As blood …
Date:
August 2001
Creator:
Bagatto, Brian
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Characterization, Analysis, and Optimization of Rotary Displacer Stirling Engines
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This work focuses on an innovative Rotary Displacer SE (RDSE) configuration for Stirling engines (SEs). RDSE features rotary displacers instead of reciprocating displacers (found in conventional SE configurations), as well as combined compression and expansion spaces. Guided by the research question "can RDSE as a novel configuration achieve a higher efficiency compared to conventional SE configurations at comparable operating conditions?", the goal of this study is to characterize, analyze, and optimize RDSE which is pursued in three technical stages. It is observed the RDSE prototype has an optimum phase angle of > 90° and thermal efficiency of 15.5% corresponding to 75.2% of the ideal (Carnot) efficiency at the source and sink temperatures of 98.6° C and 22.1° C, respectively. Initial results indicate that 125° phase angle provides more power than that of the theoretically optimum 90° phase angle. The results also show comparable B_n and significantly higher W_n values (0.047 and 0.465, respectively) compared to earlier studies, and suggest the RDSE could potentially be a competitive alternative to other SE configurations. Furthermore, due to lack of a regenerator, the non-ideal effects calculated in the analytical approach have insignificant impact (less than 0.03 kPa in 100 kPa). The clearance volume in …
Date:
December 2019
Creator:
Bagheri, Amirhossein
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Personality Correlates of Eating Disorder Symptomatology in a Nonclinical Sample of Female Undergraduates
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Research indicates the existence of an eating disorder continuum. The two-component model of disordered eating suggests that certain personality traits may increase an individual's vulnerability to develop more severe variants of disordered eating symptomatology. The present study investigates pre-clinical elevations on a measure of personality based on the Five-Factor Model (FFM) and pre-clinical elevations on a measure of eating disorder symptomatology in a sample of nonclinical undergraduates. The personality dimensions Neuroticism, Extraversion, and Agreeableness accounted for 7% of the variability in Body Dissatisfaction. Subcomponents comprising the personality dimensions of the FFM as determined by Saucier (1998) (see Appendix A) were analyzed. The Self-Reproach and Intellectual Interests subcomponents were the strongest predictors of Drive for Thinness and Body Dissatisfaction. The subcomponent Sociability was the strongest predictor of Bulimia. Findings present implications for prevention and treatment interventions. Longitudinal studies are needed to determine the temporal directionality of personality and disturbed eating.
Date:
May 2003
Creator:
Baker, Kristine Genovese
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
There Is Only Us
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The eight stories of speculative fiction in There Is Only Us explore themes of loneliness, connectedness, and selfhood. Each one is an act of intimacy—an altered world shown through the lens of a close relationship. Brothers, sisters, lovers, mothers, and daughters come together in myriad constellations, often so that one character can make a body-altering choice of extreme proportions. In a variety of forms—from a satirical retelling of Noah’s Ark to a sister drama revolving around naked mole rats—There Is Only Us presents a series of escalating scenarios, intimate and yet absurd, that ask, how much can you change and still be you? Ballering’s stories bring to speculative fiction a new lightness and absurdity and a commitment to contemporary experiences of loneliness, especially among Millennials: loneliness during the COVID-19 pandemic, ecological loneliness (the sense that, by the end of our lives, the earth will be barren), and the unsolvable loneliness that so many experience despite carrying around a tiny device that claims it can connect them to any human anywhere on earth.
Date:
November 2022
Creator:
Ballering, Zoe
Object Type:
Book
System:
The UNT Digital Library
Trends and issues in non-profit business planning.
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Non-profits are increasing in size and scope to meet social needs that are unmet by the government. Declining financial support, government regulations, and increasing competition force non-profits to become more professional and efficient. Non-profits increasingly engage in commercial activities, joint ventures with for-profits, and employ business techniques such as business planning and marketing. An extensive body of research examines issues related to non-profit performance that supplies a framework for business planning. Business planning may help non-profits to sustain competitive advantages and long-term financial stability. This paper examines the challenges of writing a business plan for non-profits concluding with a sample business plan that takes into consideration advantages, risks, and limitations of non-profits.
Date:
August 2004
Creator:
Barnes, Svetlana V.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Organizational development: A comparison of individual and organizational level change.
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Organizational change and development (OCD) has been studied by researchers to identify the effectiveness of change initiatives. Because of the broad scope of interventions in OCD, these studies have covered a range of areas including multiple interventions and the methodological rigor used by researchers. However, few have looked at organizational versus individual change within an organization, to examine whether individual change is more effective than organizational change. The purpose of this study is to determine if organizational change occurs in a top down or bottom up manner. A meta-analysis was conducted using 238 field experiments. Each study was coded for intervention and organizational outcome and for individual or organizational level variables. Effect sizes were calculated for each study, each level, and each level by intervention and outcome measure. Results indicate that while OCD interventions overall had a moderate effect size, the level of intervention or outcome was not a moderating variable.
Date:
August 2005
Creator:
Barnett, Michelle L.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Influences of the Mother-Daughter Relationship on Motivations for Sexual Behavior
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The influences of family relationship variables on motivations for adolescent sexual risk-taking were investigated. Previous research has linked these variables to adolescent sexual behavior, however, the nature of these links has not been specifically examined. Family variables were operationalized as child attachment to mother, parental support of each other, parental conflict strategies, and parental monitoring. Emotional motivations were operationalized as attachment and affiliation needs. The sample consisted of 40 single females ages 18 to22 recruited from a local pregnancy care center. Predictions that parent-child relationship and parental influence would predict emotional motivations for sexual risk-taking were not supported. The variable most highly related to sexual risk-taking, though not included in the model tested, was father's destructive conflict strategies. Theoretical and methodological issues are discussed.
Date:
May 2001
Creator:
Barrett, Susan
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Descriptive Study of Students Who Were Accepted for Admission at West Texas A&M University But Did Not Enroll
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Each year, institutions of higher education devote valuable financial and personnel resources in the hope of enhancing student recruitment and matriculation. The purpose of this study was to examine the demographic characteristics, the factors that influenced students decisions to apply for admission to a university, their educational intentions, and their reasons for not enrolling after they had been admitted. The subjects of the study were first-time freshmen accepted for admission to a mid-size, public, southwestern university who did not enroll for the fall 1997 semester. Statistically significant differences were found when comparing no-shows and enrolled students by gender, ethnicity, age, ACT/SAT score, and distance of their hometown from the university. There were more female no-shows, and more males enrolled than females; a greater percentage of no-shows reported the distance of their hometown to be more than 200 miles; and the mean test score for no-shows was higher. Factors important in the college selection process found to be statistically significant among the groups were: a greater percentage of Minorities than Caucasians reported the importance of the financial aid award or a scholarship offer; students living within 100 miles of the campus reported the proximity of the university as important, advice received …
Date:
December 1999
Creator:
Barton, Mary Edna
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Effect of Information Literacy Instruction on Library Anxiety Among International Students
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This study explored what effect information literacy instruction (ILI) may have on both a generalized anxiety state and library anxiety specifically. The population studied was international students using resources in a community college. Library anxiety among international students begins with certain barriers that cause anxiety (i.e., language/communication barriers, adjusting to a new education/library system and general cultural adjustments). Library Anxiety is common among college students and is characterized by feelings of negative emotions including, ruminations, tension, fear and mental disorganization (Jiao & Onwuegbuzie, 1999a). This often occurs when a student contemplates conducting research in a library and is due to any number of perceived inabilities about using the library. In order for students to become successful in their information seeking behavior this anxiety needs to be reduced. The study used two groups of international students enrolled in the English for Speakers of other Languages (ESOL) program taking credit courses. Each student completed Bostick's Library Anxiety Scale (LAS) and Spielberger's State-Trait Anxiety Inventory (STAI) to assess anxiety level before and after treatment. Subjects were given a research assignment that required them to use library resources. Treatment: Group 1 (experimental group) attended several library instruction classes (the instruction used Kuhltau's information search …
Date:
May 2004
Creator:
Battle, Joel C.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Effect of Increased Collaboration Among the Library Media Specialist and School Personnel on Perceptions of the Roles and Responsibilities of the Library Media Specialist
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This study measured and explored changes in perceptions of the roles and responsibilities of the library media specialist when the level of collaboration increased. Seven library media specialists targeted four members of their educational communities with whom to increase collaborative activities. Before and after the collaboration began, the library media specialists, the teachers with whom they chose to collaborate, other members from the same educational community, and a control group that did not participate in increased collaboration were given a roles and responsibilities rank-order form. This form was used to measure changes in perceptions regarding the importance of the three roles and selected responsibilities related to the three roles before and after the collaborative experience. The library media specialists and the targeted teachers also kept reflection logs to record factors that enhanced collaboration, factors that inhibited collaboration, and any changes in their teaching style as a result of the collaborative experience. Results indicate that the participating library media specialists themselves experienced the most change. Role identification remains a problem as library media specialists seek to become teaching partners with classroom teachers yet still must keep the library media center aligned with school and district goals and move toward making it …
Date:
August 1999
Creator:
Beaird, Marilyn Miller
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
James Earl Rudder: A Lesson in Leadership
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This thesis is the about the life of Rudder. The emphasis of this work, however, is that Rudder was successful primarily because of his character and leadership style. Much of the study was drawn from primary sources. Secondary sources were also consulted. This thesis opens with a brief Introduction, which discusses the need for this work. Chapter 1 discusses Rudder's life prior to WW II, emphasizing particular characteristics that benefited his leadership ability. Chapter 2 examines the 2nd Ranger Battalion's transformation under Rudder's leadership and guidance. Chapter 3 chronicles the 2nd Ranger Battalion's assault on the Pointe du Hoc battery, ending in December 1944, when Col. Rudder was reassigned to the 109th Infantry Regiment. Moreover, the controversy surrounding the Ranger's mission is also examined in this chapter. Chapter 4 describes Col. Rudder's leadership with the 109th in the Battle of the Bulge. A chapter accounting Rudder's political career and leadership follows. Chapter 6 examines his term as chancellor and president of the Texas A&M University system, until his death in 1970, and the major institutional changes that he enacted during his tenure, which resulted in A&M becoming the respected research university it is today. This significance and recapitulation of Rudder's …
Date:
December 2003
Creator:
Bean, Christopher B.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Democratic Pantheism in the Political Theory of Alexis de Tocqueville
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According to Alexis de Tocqueville, humanity is entering a new age of political and social equality, a new epoch in which the human race has no historical example or experience. As a result, he holds humanity's future will be largely determined by the political and moral choices made in this transitional time. For Tocqueville, the new egalitarian era is a forgone conclusion, but for him, the pressing question is whether humanity will choose a future in which it enchains itself to new forms of tyranny, or, whether the human race can establish the political and moral institutions designed to assure human freedom and dignity. In Tocqueville's view, liberty or slavery are the two choices modern men and women have in front of them, and it is the intent of this dissertation to explore Tocqueville's warning in regard to the latter choice. Tocqueville warns us that modern democratic peoples must beware of the moral and political effects of a new type of political philosophy, a political theory he terms democratic pantheism. Democratic pantheism is a philosophic doctrine that treats egalitarianism as a "religion" in which all social and political striving is directed toward realizing a providentially ordained strict equality of conditions. …
Date:
May 2006
Creator:
Bearry, Brian Anthony
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Weapons of Mass Deception: Opacity and the Israeli Nuclear Program
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Access to nuclear technology and growing concern over the spread of nuclear weapons triggered an international debate in the 1960s that led to the creation of the Nonproliferation Treaty. Ratified in 1970, NPT was designed to prevent the horizontal spread of nuclear weapons and limit destructive uses of nuclear energy. At the same time, it also normalized the arsenals of existing nuclear states and encouraged exchanges of nuclear information, technology, and materials for peaceful purposes. Nonproliferation policy relies on a theory of the development process that identifies a nuclear frontier to locate evidence of nuclear capabilities. Absent from the proliferation model, however, are cases of covert nuclear weapons programs. For almost 50 years, it has been generally accepted that Israel is a nuclear weapon state, yet Israeli officials have never confirmed nor denied the possession of nuclear weapons. Israel has not signed NPT and has not appeared to conduct a nuclear test, in effect absolving the nuclear program's main reactor from international inspections. Uncertainty surrounding the Israeli program stems from a tradition of deliberate secrecy and deception that constitutes a national policy of opacity. This study argues that opacity has armed Israel with the privilege of nuclear immunity, exempting its …
Date:
August 2019
Creator:
Beattie, Kathleen E
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Reflections of Other/Reflections of Self
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This Thesis collection contains a critical preface and five stories. The preface, “Reflejos y Reflexiones” (translated: Images and Thoughts), addresses the issues of writing the cultural or gendered Other; these issues include methodology, literary colonialism, a dialogue between works, and creating distance through defamiliarizing the self. “Perennials” is the story of Noemi Tellez, an immigrant to the U.S. who must choose between working and taking care of her family. In “Load Bearing” Luis, the eldest child, faces his family and friends on one of his last days before moving away to college. “La Monarca” deals with Lily's, the youngest daughter, struggle to mediate a place between her friends and her family. In “Reflections in the River,” Arabela, the second youngest, faces the ghost of an unwanted pregnancy and La Llorona. “La Cocina de Su Madre” is the story of Magda, the oldest daughter, and her own teenage girl, Natalia, as they attempt to find themselves in a new town after moving a thousand miles from home.
Date:
August 2002
Creator:
Bebout, Lee
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Wayfinding tools in public library buildings: A multiple case study.
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Wayfinding is the process of using one or more tools to move from one location to another in order to accomplish a task or to achieve a goal. This qualitative study explores the process of wayfinding as it applies to locating information in a public library. A group of volunteers were asked to find a selection of items in three types of libraries-traditional, contemporary, and modern. The retrieval process was timed and the reactions of the volunteers were recorded, documented, and analyzed. The impact of various wayfinding tools-architecture, layout, color, signage, computer support, collection organization-on the retrieval process was also identified. The study revealed that many of the wayfinding tools currently available in libraries do not facilitate item retrieval. Inconsistencies, ambiguities, obstructions, disparities, and operational deficiencies all contributed to end-user frustration and retrieval failure. The study suggests that failing to address these issues may prompt library patrons-end users who are increasingly interested in finding information with minimal expenditures of time and effort-may turn to other information-retrieval strategies and abandon a system that they find confusing and frustrating.
Date:
May 2004
Creator:
Beecher, Ann B.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A morphological study of the avian (Gallus domesticus) ductus arteriosi during hatching.
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The ductus arteriosi (DA) are two blood vessels connecting the pulmonary arteries to the descending aorta in the avian embryo. Following hatching, the DA closes, separation of the systemic and pulmonary circulation. I present the morphological changes that occur in the chicken DA during prepipping, internal pipping, external pipping, and hatching. The avian DA consists of two distinct tissue types, a proximal and a distal portion. Histological examination shows developmental differences between the proximal and distal portions of the DA with regard to lumen occlusion, endothelial cells, smooth muscle and elastin. Endothelial cell proliferation begins to occur as early as external pipping, with the lumen almost completely occluded by the 3rd day of post-hatching life. Expression of vascular endothelial growth factor (VEGF) increases in avian endothelial cells during hatching. I provide a morphological timeline of changes in the DA as the chicken develops from embryo to hatchling.
Date:
May 2006
Creator:
Belanger, Candace
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Evidentiary Value of Condoms: Comparison of Durable Physical and Chemical Characteristics of Condoms
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Condom trace evidence must not be overlooked in sexual assault cases; understanding the chemical and physical characteristics of condoms is imperative if condoms are to be useful evidence. Previous research shows that condom identification is possible, but it is equally important to evaluate durability of condom residues versus time. Using FT-IR, this study examined vaginal swabs from subjects who self-sampled at intervals for up to 72 hours after having intercourse with a condom. This study investigated whether age and the stage of the menstrual cycle affected the durability of residues in the vagina over time. This study revealed that condoms containing nonoxynol-9, silicone-based lubricants, and particulates provide valuable information for identification, and that nonoxynol-9 specifically withstands the vaginal environment for up to 72 hours. Additionally, age and menstrual cycle both appeared to have an effect on the durability of residues although larger sample size is desirable.
Date:
May 2000
Creator:
Belcher, Kelly Leigh
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Documentary Film: Access Denied
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Sculptor Eric McGehearty incorporates dyslexia, a learning disability, into his artwork to express his challenges with his limited ability to recognize and understand the written word. The film Access Denied focuses on Eric and his disability. Recognized in 1896, dyslexia has been studied and researched by scientists and educators. New assistive technology is now available to aid dyslexics in reading and writing. Specialized schools provide techniques to improve student learning. However, some options are not readily available to the general public; therefore, information about how to deal with the disability is not easily accessed. The aims of this documentary are to raise awareness of available resources to assist with learning as well as to demonstrate a relationship between art and dyslexia.
Date:
August 2006
Creator:
Bell, Leah Helanie
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Effects of Task-Based Documentation Versus Online Help Menu Documentation on the Acceptance of Information Technology
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The objectives of this study were (1) to identify and describe task-based documentation; (2) to identify and describe any purported changes in users attitudes when IT migration was preceded by task-based documentation; (3) to suggest implications of task-based documentation on users attitude toward IT acceptance. Questionnaires were given to 150 university students. Of these, all 150 students participated in this study. The study determined the following: (1) if favorable pre-implementation attitudes toward a new e-mail system increase, as a result of training, if users expect it to be easy to learn and use; (2) if user acceptance of an e-mail program increase as expected perceived usefulness increase as delineated by task-based documentation; (3) if task-based documentation is more effective than standard help menus while learning a new application program; and (4) if training that requires active student participation increase the acceptance of a new e-mail system. The following conclusions were reached: (1) Positive pre-implementation attitudes toward a new e-mail system are not affected by training even if the users expect it to be easy to learn and use. (2) User acceptance of an e-mail program does not increase as perceived usefulness increase when aided by task-based documentation. (3) Task-based documentation …
Date:
May 1999
Creator:
Bell, Thomas
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
CEDAR: The Life and Music of Cedar Walton
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Grammy Award–winning pianist, bandleader, and composer Cedar Walton (1934–2013) is a major figure in jazz, associated with a variety of styles from bebop to funk and famous for composing several standards. Born and raised in Dallas, Walton studied music in Denver, where he jammed with musicians such as Charlie Parker and John Coltrane. In 1955, Walton moved to New York, immediately gaining recognition from notable musicians and nightclub proprietors. When Walton returned to the U.S. after serving abroad in the Army, he joined Benny Golson and Art Farmer’s Jazztet. Later, he became both pianist and arranger for Art Blakey’s Jazz Messengers. Next, he worked as part of Prestige Records’s house rhythm section, recording with numerous greats and releasing his own albums. One hallmark of Walton’s impact is his numerous long-term collaborations with giants such as trombonist Curtis Fuller and drummer Billy Higgins. By the end of his career, Walton’s discography, as both band member and bandleader, included many dozens of vaunted recordings with some of the most notable jazz musicians of the 1960s through the first decade of the twenty-first century. Ben Markley conducted more than seventy-five interviews with friends and family members, musicians who played with or were otherwise …
Date:
May 2023
Creator:
Ben Markley
Object Type:
Book
System:
The UNT Digital Library
Independence of Mania and Depression across 4 Years in Bipolar Disorder
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If mania and depression are part of the same pathological processes, one would predict that episodes of one prospectively increase the odds of episodes of the other. The aim of the present study was to test this hypothesis. For comparison purposes, their relationship was contrasted to the relationship between mania and periods of psychosis. Exploratory analyses also tested the degree to which episodes of each occur with greater frequency over time (i.e., kindling). Participants for the present study came from the Suffolk County Mental Health Project (N = 628), a study of first-admission patients with psychosis. Of these participants, 144 met diagnostic criteria for bipolar I disorder and were analyzed for the current study. Results indicated that mania in a given month predicted depression the following month, even after controlling for other symptoms. The reverse, however, was not the case. Mania and psychosis, in contrast, were found to be robust predictors of one another from month to month. Effects were not due to treatment or demographic differences. These findings provide evidence that mania and depression are weakly related. In contrast, mania and psychosis are more closely linked. Findings are consistent with suggestions that psychiatric nosology regroup mania more closely with …
Date:
May 2019
Creator:
Bennett, Charles B.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library