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A Three-Phase Constitutive Model For Macrobrittle Fatigue Damage Of Composites., Gasser Farouk Abdelal Jan 2000

A Three-Phase Constitutive Model For Macrobrittle Fatigue Damage Of Composites., Gasser Farouk Abdelal

Graduate Theses, Dissertations, and Problem Reports (ETD)

Failure in materials occurs as a result of damage accumulation. Damage in composite material can be studied applying the continuum approach or the micromechanical approach. The continuum approach treats the composite material as transversely isotropic medium. In this approach, there is no distinction between the fiber and the matrix. The micromechanical approach studies the different damage mechanisms such as, fiber damage, fiber/matrix debonding, and matrix cracking. The research in this dissertation is focused on applying the micromechanical approach. A micromechanical macrobrittle damage (damage under monotonic load) model is developed and compared with available experimental data. Then an anisotropic fatigue damage …


An Examination Of The Relationship Between Childhood Sexual Abuse, Dissociation, And Eating Disorders., Patricia Marie Bailey Jan 2000

An Examination Of The Relationship Between Childhood Sexual Abuse, Dissociation, And Eating Disorders., Patricia Marie Bailey

Graduate Theses, Dissertations, and Problem Reports (ETD)

Researchers have documented a high percentage of eating disordered individuals with a history of traumatic experiences such as childhood sexual abuse (Abramson & Lucido, 1991; Oppenheimer, Howells, Palmer, & Chaloner, 1985; Tice, Hall, Beresford, Quinones, & Hall, 1989). To what extent these adverse life events may contribute to the onset, maintenance, and severity of maladaptive eating behaviors is widely debated among researchers and clinicians. The present study attempted to identify a spectrum of potentially traumatic life experiences in eating disordered individuals and their relationship with dissociation and eating pathology. Thirty-four female subjects meeting DSM-IV criteria for Bulimia Nervosa (n = …


Assessing The Consequences Of Ozone Depletion On Ecosystem Function: Effects Of Ultraviolet-B Radiation On Plant Biomass, Tissue Quality And Litter Decomposition., Walter John Cybulski Jan 2000

Assessing The Consequences Of Ozone Depletion On Ecosystem Function: Effects Of Ultraviolet-B Radiation On Plant Biomass, Tissue Quality And Litter Decomposition., Walter John Cybulski

Graduate Theses, Dissertations, and Problem Reports (ETD)

I investigated if variable levels of UV-B exposure during growth altered plant litter production and quality in ways that indirectly modified decomposition of litter material from ten species including three angiosperm trees, three forbs, three grasses, and one gymnosperm tree. For UV-B effects on litter production, I found that ambient UV-B levels (versus no UV-B) did not affect the aboveground biomass (litter production) of any of three grasses, one of three forbs, and the one angiosperm tree examined. However, it did alter the biomass of the two other forbs by stimulating production in one and reducing it in the other. …


Knowledge Acquisition From Video, Video With Animated Graphics, And Laboratory Experience: Predictors For Adolescents With Mild Mental Impairments., John D. Foshay Jan 2000

Knowledge Acquisition From Video, Video With Animated Graphics, And Laboratory Experience: Predictors For Adolescents With Mild Mental Impairments., John D. Foshay

Graduate Theses, Dissertations, and Problem Reports (ETD)

The movement toward assistive technology (AT) and access to the general curriculum provided by the 1997 Amendments to the Individuals with Disabilities Education Act (IDEA) has resulted in the need to study instructional methods that employ computer-based multimedia. Although the definition of AT includes interactive multimedia (Blackhurst, 1997), there has been little research on the use of multimedia to provide access to the general education curriculum. The existing literature has provided a theoretical base and investigated the ability of multimedia presentations to improve academic skills, but has failed to identify instructional practices that promote such access through AT. This dissertation …


An Examination Of The Multiple Domain Predictor Profiles Of Successful Exercise Behavior In A Health Resort Population., Cheryl Lynn Goldman Jan 2000

An Examination Of The Multiple Domain Predictor Profiles Of Successful Exercise Behavior In A Health Resort Population., Cheryl Lynn Goldman

Graduate Theses, Dissertations, and Problem Reports (ETD)

The present study examined the multiple domain predictor profiles of successful exercise behavior in a health resort population. Successful exercise behavior is operationally defined as maintaining, or changing from a sedentary or somewhat sedentary lifestyle to, an engagement in physical activity at least three times a week for at least twenty minutes each bout (ACSM, 1983). Demographic information, physiological variables, health status and risk factors were assessed at baseline from a sample of repeat guests from a southwestern health and fitness resort. A number of independent variables from each of the three domains were assessed for their ability to predict …


The Effects Of A Rural Parent Education Program On Parenting Stress, Perceived Social Support, Parental Locus Of Control, And Parental Efficacy., Janie Marie Cole Jan 2000

The Effects Of A Rural Parent Education Program On Parenting Stress, Perceived Social Support, Parental Locus Of Control, And Parental Efficacy., Janie Marie Cole

Graduate Theses, Dissertations, and Problem Reports (ETD)

This project was a pilot study examining the effects of a rural parent education program on parenting stress, perceived social support, parental locus of control, and parental efficacy. The sample consisted of a group of six mothers in West Virginia. The variables were tested using the Parenting Stress Index, Perceived Social Support from Friends Index and two subscales, Parental Efficacy and Belief in Fate and Chance, from the Parental Locus of Control Scale. Using Cronbach’s alpha, the Parental Efficacy Subscale and all but one subscale of the Parenting Stress Index were found to be reliable with this small sample. Analysis …


Production Of Urban Space In Kenya: Central-Local Government Power Relations In Mediating Space In Athi River Town., Francis Tama Koti Jan 2000

Production Of Urban Space In Kenya: Central-Local Government Power Relations In Mediating Space In Athi River Town., Francis Tama Koti

Graduate Theses, Dissertations, and Problem Reports (ETD)

Centrally controlled political and economic systems are popular among Third World countries. They however, become problematic particularly in rapidly growing urban areas where different forces compete for scarce resources, hence calling for an understanding of the nature of the relationships between the different forces that produce the urban environment. In Kenya, the basic assumption is that urban space is mediated by the local state. The author uses Athi River town, as a case study, through which survey questionnaires and informal interviews are conducted with key personnel of Mavoko Municipal Council on one hand, and central government ministries operating within the …


Economic Feasibility Of Trout Production In West Virginia: A Mixed Integer And Quadratic-Programming Analysis., Frank H. Fidler Iv Jan 2000

Economic Feasibility Of Trout Production In West Virginia: A Mixed Integer And Quadratic-Programming Analysis., Frank H. Fidler Iv

Graduate Theses, Dissertations, and Problem Reports (ETD)

The objective of this study was to determine the profitability and risk-return characteristics of trout production in West Virginia. A combination of primary data (from a producer survey) and secondary data (from published sources and expert opinion) was used. Two sets of models (mixed-integer and quadratic-programming/portfolio) were estimated. Raceways and tanks were the two types of systems analyzed, for three different production capacities. The alternatives for the portfolio analysis included investment in a CD (to represent opportunity cost), food-fish production for sale to processors, and recreational or fee fishing. Results show that as production levels increase, raceway systems are generally …


A Computer Database Search Program: Icgcmabs For Annual International Conference On Ground Control In Mining., Xianguang Tang Jan 2000

A Computer Database Search Program: Icgcmabs For Annual International Conference On Ground Control In Mining., Xianguang Tang

Graduate Theses, Dissertations, and Problem Reports (ETD)

Since 1981, 19 international conferences on ground control in mining and 3 workshops on surface subsidence have been held. The conferences and workshops covered all major topics in coal mine ground control. 867 papers have been published in the conferences and the workshops, which have become one of the main references for the people working in ground control. Since so many papers has been published and more papers will be available with the conference taking place annually in the future, a fast, handy and convenient tool for searching the papers of the conference proceedings is strongly needed. Toward this goal, …


The Molecular Mechanism Of Glucose-6-Phosphate Dehydrogenase Regulation By Dietary Factors In Intact Animals., Batoul Amir-Ahmady Jan 2000

The Molecular Mechanism Of Glucose-6-Phosphate Dehydrogenase Regulation By Dietary Factors In Intact Animals., Batoul Amir-Ahmady

Graduate Theses, Dissertations, and Problem Reports (ETD)

The expression of glucose-6-phosphate dehydrogenase (G6PD) gene is stimulated by a high-carbohydrate diet and it is inhibited by the addition of polyunsaturated fat to the high-carbohydrate diet. G6PD expression is regulated by a posttranscriptional mechanism in the nucleus. In this regard, changes in the amount of G6PD mRNA in the cytoplasm are preceded by similar changes in the amount of nuclear precursor mRNA (pre-mRNA) in the absence of changes in transcriptional activity of the gene. Some components of the transcription and pre-mRNA processing machinery as well as pre-mRNA itself are associated with the insoluble portion of the nucleus known as …


Cognitive -Affective, Behavioral, And Physiological Response In Injury Among Competitive Athletes., R Renee Newcomer Jan 2000

Cognitive -Affective, Behavioral, And Physiological Response In Injury Among Competitive Athletes., R Renee Newcomer

Graduate Theses, Dissertations, and Problem Reports (ETD)

Injured athletes' psychological distress has been explored using a stress-response paradigm and through a variety of research methodologies. Despite growing interest in psychophysiological stress-response research (Gatchel, 1997), physiological features of psychological distress have not yet been explored among injured athletes (Flint, 1998). Psychological distress has been associated with delayed healing among other medical populations (Kiecolt-Glaser, Page, Marucha, MacCallum, & Glaser, 1998), and physiological features of distress have lead to increased reports of a variety of health-related problems (Baum, Gatchel, & Krantz, 1997). The present research consists of two studies designed to validate preliminary reports and advance current knowledge regarding the …


Stylistic Evolution Of Jazz Drummer Ed Blackwell: The Cultural Intersection Of New Orleans And West Africa., David J. Schmalenberger Jan 2000

Stylistic Evolution Of Jazz Drummer Ed Blackwell: The Cultural Intersection Of New Orleans And West Africa., David J. Schmalenberger

Graduate Theses, Dissertations, and Problem Reports (ETD)

The two primary functions of a jazz drummer are to maintain a consistent pulse and to support the soloists within the musical group. Throughout the twentieth century, jazz drummers have found creative ways to fulfill or challenge these roles. In the case of Bebop, for example, pioneers Kenny Clarke and Max Roach forged a new drumming style in the 1940's that was markedly more independent technically, as well as more lyrical in both time-keeping and soloing. The stylistic innovations of Clarke and Roach also helped foster a new attitude: the acceptance of drummers as thoughtful, sensitive musical artists. These developments …


Remember I Was The Movies: The Cinematic Prose Of William S. Burroughs., John Raymond Martino Jan 2000

Remember I Was The Movies: The Cinematic Prose Of William S. Burroughs., John Raymond Martino

Graduate Theses, Dissertations, and Problem Reports (ETD)

As early as 1952, seven years before the publication of his most critically acclaimed work, Naked Lunch, William Burroughs began to express a dissatisfaction with traditional, essentially narrative, novelistic structures. Following the lead of many of his modernist predecessors, including Joyce, Eliot, Stein, and Dos Passos, Burroughs began to appropriate visually artistic compositional strategies for the construction of his increasingly experimental literary texts. The aim of this dissertation is to highlight Burroughs' various intersections with film, the non-literary art form that seems to have had the most profound and pervasive impact on his writing and general world-view. Specifically, I attempt …


Cyclizations Of Enyne-Allenes To Form Persistent Biradicals And Polycyclic Aromatic Hydrocarbons With Carbon Frameworks Represented On The Surface Of Carbon-60., Hai-Ren Zhang Jan 2000

Cyclizations Of Enyne-Allenes To Form Persistent Biradicals And Polycyclic Aromatic Hydrocarbons With Carbon Frameworks Represented On The Surface Of Carbon-60., Hai-Ren Zhang

Graduate Theses, Dissertations, and Problem Reports (ETD)

Thermolysis of 1,1′-(1,2-ethynediyl)bis[9-bis(4- tert-butyl)phenyl]ethenylidene-9H-fluorene (benzoenyne-allene) in 1,4-cyclohexadiene (1,4-CHD) at 75°C produced the cycloaromatized adduct 8,16-bis[bis(4-tert-butyl)phenyl]methyldiindeno[1,2,3- hi:1′,2′,3′ -qr]chrysene in 22% yield. The reaction presumably proceeds through a cascade sequence involving an initial Myers cyclization reaction to form a biradical having an α,3-didehydrotoluene moiety in its structure. The subsequent trapping of the aryl radical center in this initially formed biradical with the tetraarylallenic moiety intramolecularly affords a biradical having two stabilized triarylmethyl radical centers. A subsequent hydrogen-atom abstraction from 1,4-CHD, manifesting its radical character, then produces 8,16-bis[bis(4-tert-butyl)phenyl]methyldiindeno[1,2,3- hi:1′,2′,3′ -qr]chrysene. Similarly, thermolysis of 9-diarylethenylidene-1-phenylethynyl- 9H-fluorenes in 1,4-CHD furnished 1-diarylmethyl-2-phenylfluoranthenes in essentially quantitative yields. …


Effectiveness Of Traditional And Web -Based Interventions On Utilization Of Sport Psychology Services: Exploring The Stages Of Change., Samuel Joseph Zizzi Jan 2000

Effectiveness Of Traditional And Web -Based Interventions On Utilization Of Sport Psychology Services: Exploring The Stages Of Change., Samuel Joseph Zizzi

Graduate Theses, Dissertations, and Problem Reports (ETD)

The present study examined the interaction of traditional and electronic contact methods with the stages of change model in a brief intervention. The sample consisted of a total of 220 high school (n = 106) and college athletes (n = 114), including 115 in the Electronic Group (E group) and 105 in the Traditional Group (T group). Overall, 14 teams participated in a sport psychology workshop including seven women's teams (n = 124) and seven men's teams (n = 96). Teams were randomly assigned to contact the sport psychology consultant (SPQ either by traditional methods (in-person or phone) or by …


The Effects On Extracurricular Participation Of Academic Achievement, Self Concept, And Locus Of Control Among High School Students., Scott Randolph Johnson Jan 2000

The Effects On Extracurricular Participation Of Academic Achievement, Self Concept, And Locus Of Control Among High School Students., Scott Randolph Johnson

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this investigation was to examine the effects on extracurricular participation (i.e., athletic participation) of academic achievement, self concept, and locus of control among high school students. Participants included six thousand six hundred ninety-eight (N = 6,698) high school students, from the National Education Longitudinal Study:1988 (NELS:88) First- and Second-Follow-Up data collection phases. These individuals participated in extracurricular activities during the tenth and/or twelfth grade. A binomial logistic regression model estimated the effects of: (1) gender; (2) socio-economic status (SES); (3) locus of control; (4) self concept; (5) school location; (6) school's region; (7) tenth grade participation level …


Application Of Computer-Based Technology To The Teaching Of Writing In Spanish As A Foreign Language: A Case Study, Nuria Gago Jan 2000

Application Of Computer-Based Technology To The Teaching Of Writing In Spanish As A Foreign Language: A Case Study, Nuria Gago

Graduate Theses, Dissertations, and Problem Reports (ETD)

Computers are becoming more and more important in today's world. They are part of every sector of our society, including education. Most of the studies done so far on computer integration with educational purposes focus on the classification, and incorporation, from a theoretical point of view, of Computer Mediated Communication in the class. Unfortunately, very little empirical research has been done concerning the students' perspectives and reactions when introduced to the use of multimedia technology in the classroom. The present project was started in an effort to analyze and observer the reactions of a group of learners when exposed, in …


The Influence Of Context, Amount Of Experience, And Rater Characteristics On Temperament Ratings Of Toddlers., Melinda Maher Jan 2000

The Influence Of Context, Amount Of Experience, And Rater Characteristics On Temperament Ratings Of Toddlers., Melinda Maher

Graduate Theses, Dissertations, and Problem Reports (ETD)

Although temperament is generally defined as an individual’s stable behavioral style, comparisons of temperament ratings derived from different sources typically yield only low to moderate correlations. The present study investigated three potential influences on toddler temperament ratings: the context of the observation, the raters’ amount of experience with the child, and rater characteristics. Thirty toddlers (14 to 36 months old) were included in the study. For each toddler, temperament ratings were provided by his/her mother, father, two day care teachers, a home observer, and a day care observer. Toddler temperament was assessed using the TTS, EAS, and a global temperament …


'A Perfect Diamond Set In Lead': Henry, Prince Of Wales And The Performance Of Emergent Majesty., Gregory Vaughn Mcnamara Jan 2000

'A Perfect Diamond Set In Lead': Henry, Prince Of Wales And The Performance Of Emergent Majesty., Gregory Vaughn Mcnamara

Graduate Theses, Dissertations, and Problem Reports (ETD)

Early Stuart court culture and the representation of majesty and power have been the subjects of considerable scholarly debate in recent years, yet Henry, Prince of Wales, one of the most significant figures of this dynamic historical period, has remained largely in the margins of scholarship and criticism. The heightened sensitivity to the fusion of power and aesthetics in the representation of early modern majesty that has characterized new historicist and revisionist scholarship has revealed tensions and disruptions within the framework of the court itself. Representational strategies at court operated in the context of social systems, often functioning harmoniously but …


A Qualitative Analysis Of The Socialization Factors Experienced By Induction Phase Physical Education Teachers From One University., Derek Jason Mohr Jan 2000

A Qualitative Analysis Of The Socialization Factors Experienced By Induction Phase Physical Education Teachers From One University., Derek Jason Mohr

Graduate Theses, Dissertations, and Problem Reports (ETD)

A topic of considerable interest in the educational research community is the process of learning to teach and the role that socialization plays in that process. Numerous educational researchers have focused their attention on examining these processes (e.g., Doyle, 1985; Graham, French, & Woods, 1993; Lawson, 1988; Schempp & Graber, 1992). Recent investigative approaches have attempted to broaden the perspective for viewing and interpreting teacher development, and socialization factors in addition to field experiences and student teaching have been examined (Graham, Hohn, Werner, & Woods, 1993; Widden, Mayer-Smith, & Moon, 1998; Woods & Earls, 1995). The purpose of this study …


A Study Of The Relationship Between The Perceived Leadership Style Of Nursing Chairpersons And The Organizational Climate In Baccalaureate Nursing Programs., Nancy Rowland Mosser Jan 2000

A Study Of The Relationship Between The Perceived Leadership Style Of Nursing Chairpersons And The Organizational Climate In Baccalaureate Nursing Programs., Nancy Rowland Mosser

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study examined the relationship between the leadership frames of nursing chairpersons and the organizational climate of nursing departments as perceived by the nursing faculty. Bolman and Deal's Leadership Orientations Instrument (Other), Borrevik's Organizational Climate Description Questionnaire-Higher Education (Partial), and a demographic questionnaire were sent to 605 nursing faculty members in 60 baccalaureate nursing programs in the American Association of Colleges of Nursing North Atlantic Region. A total of 253 usable responses was returned. Descriptive procedures, Pearson's product moment correlation coefficients, one-way analysis of variance, and the General Linear Models Procedure for analysis of variance were used to analyze the …


Where The Stranger Bides: Resisting America With The Autobiographical Word., Lisa N. Muir Jan 2000

Where The Stranger Bides: Resisting America With The Autobiographical Word., Lisa N. Muir

Graduate Theses, Dissertations, and Problem Reports (ETD)

The recent republication of the works of Anzia Yezierska and Rose Cohen, as well as the first ever publications of the autobiographies of Bella Spewack and Rachel Cohen, demonstrate the current interest in the autobiographical experiences of turn-of-the-century female immigrant writers. These women were not politicos of the Progressive Era, nor were they literary revolutionaries in the stricter sense of writing against a patriarchal literary environment. Instead, these women pay particular attention to how ethnicity was constructed for them by cultural attitudes existing outside the text. Their autobiographical works confirm for the diverse readers of today that ethnicity is not …


The Law And Order Presidency., Willard Mark Oliver Jan 2000

The Law And Order Presidency., Willard Mark Oliver

Graduate Theses, Dissertations, and Problem Reports (ETD)

The theory of presidential influence over public opinion is used to predict the impact of presidential time and attention focused on crime on the public's concern for crime as the “most important problem facing the country.” The more attention presidents give to the issue of crime, the more concerned the public becomes with crime. The study addresses the assumptions of the hypothesis by first assessing the history of presidential involvement in crime control policy; second, by delineating reasons why presidents have become involved in such policies; and, finally, by articulating the means presidents have available in order to engage in …


The Effects Of Social Support On Men's Exercise-Related Cardiovascular Reactivity., Daniel Benjamin Hollander Jan 2000

The Effects Of Social Support On Men's Exercise-Related Cardiovascular Reactivity., Daniel Benjamin Hollander

Graduate Theses, Dissertations, and Problem Reports (ETD)

A predictor of cardiovascular disease is increased heart rate and blood pressure reactivity to physical tasks. One psychological factor that is associated with a reduced cardiac (i.e., heart rate) and vascular (blood pressure) reactivity has been social support. Therefore, the purpose of this study was to examine the effects of social support on exercise-related CV reactivity. It was hypothesized that participants would demonstrate lower CVR in the Partner Present condition than in the Alone condition and that level of intimacy would be related to CVR. Male participants (N = 32) who were in an enduring romantic relationship (i.e., minimum duration …


Developing A West Virginia Child Care Director's Credential: Identifying The Knowledge, Skills, And Issues., Cathy Ruth Jones Jan 2000

Developing A West Virginia Child Care Director's Credential: Identifying The Knowledge, Skills, And Issues., Cathy Ruth Jones

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to establish a baseline of information about West Virginia child care center directors: their knowledge, skill and experience in early care and education, their training needs, what these directors perceive as important knowledge and skill to competently perform their job duties, and their opinions about the development of a director credential. The total population of 265 directors of licensed child care centers were surveyed. In addition, five individual ethnographic interviews broadened and enriched the data gathered from the survey and allowed the respondents to provide their own interpretations of the positions they hold. The …


I. Chirality Transfer In The Allenic [2+2+1] Cycloaddition Reaction. Ii. An Approach Towards The Synthesis Of Antitumor Agent, (+/-)-Suberosenone, Using An Allenic [2+2+1] Cycloaddition Reaction., Angela Dawn Kerekes Jan 2000

I. Chirality Transfer In The Allenic [2+2+1] Cycloaddition Reaction. Ii. An Approach Towards The Synthesis Of Antitumor Agent, (+/-)-Suberosenone, Using An Allenic [2+2+1] Cycloaddition Reaction., Angela Dawn Kerekes

Graduate Theses, Dissertations, and Problem Reports (ETD)

The replacement of the alkene moiety with an allene functionality in the intramolecular Pauson-Khand (P-K) cycloaddition provides a novel route to either α-alkylidene or 4-alkylidene cyclopentenones, depending on the substrate and reaction conditions. 1,3-Disubstituted allenes in the presence of molybdenum hexacarbonyl, DMSO, and toluene at 110°C give α-alkylidene cyclopentenones as a mixture of E and Z stereoisomers. The ratio of E and Z isomers is also dependent upon the substrate and the reaction conditions. 1,3-Disubstituted allenes are very useful precursors for the synthesis of complex chiral compounds with the allene serving as the stereocontrolling group. We have developed a method …


Appalachian Special Education Administrators: The Extent Of The Relationship Of Role Conflict And Role Ambiguity To Specific Dimensions Of Stress., Pamela Kay Kohner Jan 2000

Appalachian Special Education Administrators: The Extent Of The Relationship Of Role Conflict And Role Ambiguity To Specific Dimensions Of Stress., Pamela Kay Kohner

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study examined the extent of the relationship between the separate constructs of role conflict (RC) and role ambiguity (RA) with four dimensions of stress. A sampling of special education administrators from the Appalachian states of Kentucky, Tennessee, Virginia, and West Virginia participated. Demographic characteristics were combined with RC or RA's relationship to four dimensions of stress to determine if a predictive pattern could be identified. A return rate of 80% was attained from the 114 randomly selected participants. Role variables were examined with the Role Questionnaire (Rizzo, House, & Lirtzman, 1970). The Administrative Stress Index (ASI) (Gmelch & Torelli, …


The Usefulness Of Admission Data As A Predictor Of Completion Of An Associate Degree Nursing Program., Shelia Marie Kyle Jan 2000

The Usefulness Of Admission Data As A Predictor Of Completion Of An Associate Degree Nursing Program., Shelia Marie Kyle

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this descriptive study was to examine whether or not selected variables used in the admission process can predict and the extent to which they can predict whether or not the student will graduate from an associate degree nursing program. The independent variables for this study were: Licensed Practical Nurse (LPN), number of courses completed prior to beginning the nursing program, the pre-admission Grade Point Average (GPA), the number of science courses completed pre-nursing, the number of courses repeated to earn a grade of C or better pre-nursing, and the number of hours transferred from other institutions of …


Repeatability, Recency, And Response Recovery: An Experimental Analysis Of Resurgence., Gregory Alan Lieving Jan 2000

Repeatability, Recency, And Response Recovery: An Experimental Analysis Of Resurgence., Gregory Alan Lieving

Graduate Theses, Dissertations, and Problem Reports (ETD)

Four experiments were conducted to assess some of the variables controlling resurgence. The basic procedure involved three conditions: (1) reinforcement of key pecking, (2) reinforcement of treadle pressing, (3) the resurgence condition. In Experiment 1, the resurgence condition was conventional extinction. The extent to which resurgence is replicable was assessed by repeating the three conditions within subjects. Resurgence was demonstrated to be a repeatable effect. In Experiment 2, the effects of reinforcement recency were examined by manipulating the number of sessions (5 versus 30) of Condition 2, and the resurgence condition consisted of conventional extinction. Resurgence was not a function …


The Roles Of Cognitive Rigidity And Impulsivity In Adolescent Suicide Attempts., Robin Vaughan Eliason Jan 2000

The Roles Of Cognitive Rigidity And Impulsivity In Adolescent Suicide Attempts., Robin Vaughan Eliason

Graduate Theses, Dissertations, and Problem Reports (ETD)

Suicide is a major health problem for adolescents. It is the sixth leading cause of death for five to 14 year-olds and the first and the third leading cause of death for adolescents 15 to 19 years of age. The purpose of this study was to extend the research on the risk factors of cognitively rigid behavior, impulsive behavior, and depression and to lay groundwork for the validation of cognitively rigid and impulsive personality traits of adolescent suicide attempters. The amount of time between thought and attempt was explored to extend the research on impulsivity. In this three-group design adolescent …