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The open physics laboratory and characteristics of effective teaching assistants
The problem of this study involves identifying and ranking in importance the characteristics of effective teaching assistants in the learning environment of an open physics instructional laboratory.
The Opened Letter: Rereading Hawthorne
The recent publication of the bulk of Hawthorne's letters has precipitated this study, which deals with Hawthorne's creative and subversive narration and his synchronic appeal to a variety of readers possessing different tastes. The author initially investigates Hawthorne's religion and demonstrate how he disguised his personal religious convictions, ambiguously using the intellectual categories of Calvinism, Unitarianism, and spiritualism to promote his own humanistic "religion." Hawthorne's appropriation of the jeremiad further illustrates his emphasis on religion and narration. Although his religion remained humanistic, he readily used the old Puritan political sermon to describe and defend his own financial hardships. That jeremiad outlook has significant implications for his art.
Opera and the Galant Homme: Quinault and Lully's Tragedie en musique, Atys, in the Context of Seventeenth-Century Modernism
The tragedie en musique of Quinault and Lully was a highly successful new genre, representative of contemporary Parisian life. However, it is still largely viewed in the negative terms of its detractors, the proponents of classical tragedy. The purpose of this study is to redefine the tragedie en musique in terms of seventeenth-century modernism. An examination of the society and poetry of the contemporary gallant world provides the historical framework for an analysis of both the libretto and music of Quinault and Lully's Atys (1676). This study attempts to bridge the historical and cultural distances that until now have hindered accessibility to this major new genre in seventeenth-century literature and music.
Die Opernprobe by Albert Lortzing: a Critical Edition
The purpose of the present edition of Albert Lortzing's Die Opernprobe is to restore and clarify the composer's original intentions, which were often obscured or altered by the first published version, which appeared in 1899. This thesis is divided into two parts. Part One contains an introduction which discusses Lortzing's place in the history of German opera, the details surrounding the composition of Die Opernprobe, the musical and dramatic structure of the opera, and the sources used in the preparation of this edition. Part Two consists of a critical edition of the orchestral score, with the complete text of the spoken dialogue and stage directions. Critical notes and an English translation of the full text are included in two appendixes.
Opioid/Adrenergic Interaction in Regulating Canine Cardiac Function
Opioid/adrenergic interactions were studied to evaluate two hypotheses: (1) naloxone potentiates the effect of epinephrine on cardiac contractility by increasing circulating epinephrine concentrations; and (2) endogenous and exogenous opioids alter left cardiac nerve stimulationinduced norepinephrine release and cardiac function. A canine isolated heart-lung preparation was used for the first study. Plasma epinephrine was determined and myocardial epinephrine uptake was calculated during intravenous epinephrine infusion. Naloxone (4 mg) was given and the epinephrine infusion was repeated. Naloxone increased cardiac contractility, coronary blood flow, and the coronary sinus epinephrine concentration. When coronary blood flow was subsequently held constant (100% above resting), naloxone increased only contractility. This result indicated that the previously observed increase in coronary sinus epinephrine was flow dependent. Corticosterone (an uptake II blocker) was employed as a positive control. Corticosterone increased the contractile response to epinephrine, but unlike naloxone, corticosterone was accompanied by a clear decrease in myocardial epinephrine uptake. The stereospecificity of the response to naloxone was investigated and (+) naloxone equaled or exceeded (-) naloxone in potentiating the inotropic effect of epinephrine. In the second study, the left cardiac nerve was isolated and electrically stimulated in intact dogs. Norepinephrine overflow gradually declined during successive control stimulations. Pretreatment with naloxone (100 Mg/kg) prevented or delayed the decline. An intracoronary dynorphin 1-9 infusion (2 nmol/min/kg for 20 minutes) reduced both norepinephrine overflow and cardiac performance, and both effects were prevented by pretreatment with naloxone (100 /xg/kg) . To summarize, naloxone potentiated the inotropic effect of infused epinephrine without altering circulating epinephrine concentrations or myocardial epinephrine uptake. This effect of naloxone was not stereospecific and probably not mediated through a traditional opiate receptor. Endogenous and exogenous opioids inhibited the left cardiac nerve stimulation-induced norepinephrine overflow, suggesting that opiate receptors may regulate cardiac excitability by modulating norepinephrine release.
Oprah and Her Book Club: More than Mass Media Money-Maker
With her Book Club, talk show host Oprah Winfrey has used the relatively new technology of television to revive literature. Despite the odds against her--selecting hard-to-read, quirky books by generally unknown authors--Winfrey has successfully created women's spaces for the 1990s, not so different from the American women's social clubs from the late 1800s and early 1900s, and the French salons of the sixteenth and seventeenth centuries. This study will show how Oprah's Book Club allows readers, especially women, to use the psychological processes of transference and transactional reading by using fictional literature from the Book Club to discuss sensitive areas of their lives.
Optical Nonlinearities in Semiconductors for Limiting
I have conducted detailed experimental and theoretical studies of the nonlinear optical properties of semiconductor materials useful for optical limiting. I have constructed optical limiters utilizing two-photon absorption along with photogenerated carrier defocusing as well as the bound electronic nonlinearity using the semiconducting material ZnSe. I have optimized the focusing geometry to achieve a large dynamic range while maintaining a low limiting energy for the device. The ZnSe monolithic optical limiter has achieved a limiting energy as low as 13 nJ (corresponding to 300W peak power) and a dynamic range as large as 105 at 532 nm using psec pulses. Theoretical analysis showed that the ZnSe device has a broad-band response covering the wavelength range from 550 nm to 800 nm. Moreover, I found that existing theoretical models (e.g. the Auston model and the band-resonant model using Boltzmann statistics) adequately describe the photo-generated carriers refractive nonlinearity in ZnSe. Material nonlinear optical parameters, such as the two-photon absorption coefficient β_2=5.5cm/GW, the refraction per unit carrier density σ_n=-0.8∗10^-21cm^3 and the bound electronic refraction n_2=-4∗10^-11esu, have been measured via time-integrated beam distortion experiments in the near field. A numerical code has been written to simulate the beam distortion in order to extract the previously mentioned material parameters. In addition, I have performed time-resolved distortion measurements that provide an intuitive picture of the carrier generation process via two-photon absorption. I also characterized the optical nonlinearities in a ZnSe Fabry-Perot thin film structure (an interference filter). I concluded that the nonlinear absorption alone in the thin film is insufficient to build an effective optical limiter, as it did not show a net change in refraction using psec pulses. An innovative numerical program was developed to simulate the nonlinear beam propagation inside the Fabry-Perot structure. For comparison, pump-probe experiments were performed using both thin film and …
Optimism, Health Locus of Control, and Quality of Life of Women with Recurrent Breast Cancer
The purpose of the present study was to examine the role that specific factors play in the quality of life (QL) for women with recurrent breast cancer.
Oracy, Literacy and the Music of Adam De La Halle: The Evidence of the Manuscript Paris, BibliothèQue Nationale f.fr. 25566
This study examines the thirteenth century Artesian trouvère Adam de la Halle in the manuscript Paris, Bibliothèque Nationale f.fr 25566 as it pertains to the oral/literate model for explaining characteristics of musical traditions. The fortuitous collaboration of a single scribe with a single composer on a musical collection encompassing a cross-section of thirteenth-century styles and idioms make this repertoire uniquely appropriate to a comparison of musical oracy and literacy.
Oral Microbiology
Recent studies regarding research on oral microorganisms and the oral diseases are presented. The normal flora of the mouth and the oral environment are first described. Dental plaque and dental caries are primary causes of oral disease. Streptococcus mutans is the major contributor in the initiation and progression of dental caries. Lactobacillus, Actinomyces, and Veillonella are other genera of bacteria linked to dental caries. Periodontitis and gingivitis are periodontal diseases that are caused by oral microorganisms. New research has indicated that various antimicrobial agents and techniques to eliminate or lessen the severity of periodontal diseases. Premature delivery of low birth weight babies in pregnant women has been strongly linked to periodontal disease. Present and future microbiological tests are available to easily determine the causative organisms for most oral diseases that help in diagnosis and treatment of a particular disease.
Orality-Literacy Theory and the Victorian Sermon
In this study, I expand the scope of the scholarship that Walter Ong and others have done in orality-literacy relations to examine the often uneasy juxtaposition of the oral and written traditions in the literature of the Victorian pulpit. I begin by examining the intersections of the oral and written traditions found in both the theory and the practice of Victorian preaching. I discuss the prominent place of the sermon within both the print and oral cultures of Victorian Britain; argue that the sermon's status as both oration and essay places it in the genre of "oral literature"; and analyze the debate over the extent to which writing should be employed in the preparation and delivery of sermons.
Orchestral Accompaniment in the Vocal Works of Hector Berlioz
Recent Berlioz studies tend to stress the significance of the French tradition for a balanced understanding of Berlioz's music. Such is necessary because the customary emphasis on purely musical structure inclines to stress the influence of German masters to the neglect of vocal and therefore rhetorical character of this tradition. The present study, through a fresh examination of Berlioz's vocal-orchestral scores, sets forth the various orchestrational patterns and the rationales that lay behind them.
Organizational Commitment: A Cross-National Comparison of Arab and Non-Arab Employees in Saudi Petrochemical Companies
Individuals with different personal demographics and job-based factors have different attitudes and behaviors, which can influence their levels of commitment to their organizations. These differences in organizational commitment increase as their cultural backgrounds differ significantly. Personal demographics and job-related factors are reliable predictors of employees' commitment to their employing organizations. The purpose of this study was to empirically investigate if there is a difference in the level of employees' commitment to Saudi petrochemical companies on the basis of differences in their personal demographics and job-related factors.
Organizational Commitment in a Self-Managing Work Team Environment
This study examines the determinants of organizational commitment in a self-managing work team setting. The data used in the study are from a sample of 313 employees in an electronics manufacturing plant. Chapter one introduces the reader to the topic of self-managing work teams and explains the relevance of commitment to this organizational structure. Chapter two is a review of the literature which focuses on commitment, its determinants, and two theories used to explain the relationship between them. The remaining chapters describe the methodology used in the study, explain the findings and draw conclusions. Of all the factors analyzed, only perceived organizational support and autonomy were found to influence commitment in this sample. The relevance of these findings for business and academia is discussed.
The Organizational Consequences of Information Deployment
This study investigates the influence that increasing end user autonomy has on organizational data models. The independence offered by microcomputer technology offers users increasing independence in their information-handling activities. As independence increases, uniformity of data models across the organization is theorized to diminish. The problem motivating this study is the potential for improper allocation of resources that may result from a misinterpretation of organizational data. This study suggests that the expanding use of microcomputers in the business setting will contribute to diversity of data models. This may eventually lead to confusion and even lack of confidence in the information produced.
Organizational Considerations for and Individual Perceptions of Web-Based Intranet Systems
Utilization of World Wide Web style Web-Based Intranet Systems (W-BIS) is a rapidly expanding information delivery technique in many organizations. Published reports concerning these systems have cited return on investment values exceeding 1300% and direct payback time periods as low as six to twelve weeks. While these systems have been widely implemented, little theoretically grounded research has been conducted in relation to users' acceptance, utilization or the perceived quality of these systems. The study employed a two-site investigation of corporate Web-Based Intranet Systems, with surveys distributed via the traditional mail system. The complete survey instrument distributed to employees included the ServQual/ServPerf, User Information Satisfaction, Ease of Use/Usefulness, and Computer Playfulness instruments. In addition to these previously developed instruments, the survey instrument for this study included measures of Web-Based Intranet Systems utilization and usefulness along with respondent demographics and subordinate-reported managerial commitment. This study investigated the reliability and validity of the ServQual/ServPerf instrument in an information systems service environment. The same analysis was conducted of the more generally accepted User Information Satisfaction instrument.
The Organizational Improvement of the Village Creek Wastewater Treatment Plant in Fort Worth, Texas, 1969-1988: a Case Study of Forces Responsible for Organizational Change
This study documents that external and internal forces were causes of change at VCWTP. External forces caused. Fort Worth to reorganize and introduce new management at VCWTP after 1982. These improvements led to VCWTP being selected best managed wastewater treatment plant in the nation by EPA in 1988. This study first analyzes external and internal forces responsible for changes at VCWTP. A history of plant operations also is reviewed. Personnel interviews were conducted of perceptions of employees. Finally, statistics obtained of the plant operation from 1969 to 1988 are compared with personal interviews. Five forces effect change at VCWTP; population, regulatory requirements, political conflicts, an organizational and managerial factors. Turnaround occurred as external and internal corrections were made.
Organizational Perceptions of Women's Vulnerability to Violence in the Wake of Disaster
Women as a group hold little power in the social system which increases women's vulnerability to domestic violence. According to Merton (1970), social problems may be revealed through the disaster recovery process. A coraHunity1s organizational response to social problems such as wife abuse depends upon organizational members' perceptions. The data suggest that organizational perceptions of domestic violence largely depend upon the setting or environment in which an organization exists and operates. A second factor that greatly determines an organization's perception of domestic violence after disaster is organizational type. Organizations which provide services to domestic violence victims pre-disaster are more likely to perceive domestic violence following disaster than organizations which do not provide domestic violence related services prior to disaster.
The Organizational Socialization of a Dynamic Workforce: A Focus on Employee and Contract Worker Knowledge Transfer
Within the last decade, more organizations are utilizing a non-traditional workforce. Specifically, these organizations are utilizing contract workers as resources to provide services and manufacture products. While this change in workforce provides benefits to organizations, the change also presents numerous challenges such as turnover. The turnover involved in such a relationship along with the addition of newcomers translates into an organizational socialization and knowledge transfer (KT) issue, because contract workers as well as employees need to be efficiently brought into a new organization, and knowledge needs to be shared with these new individuals so that they can effectively contribute to the work process. It is contended that organizations follow a typical, informal organizational socialization "policy" which involves KT in getting new contract workers and employees up to speed. This study addressed the typical organizational socialization policy as it is represented by formal knowledge transfer (FKT) via instructor-led/classroom training (ILT) and computer-based training (CBT) and by informal knowledge transfer (IKT) via a social network. The study focused on IKT, because companies understand this type of KT the least. In order to evaluate the organizational socialization of contract workers for this study, the contract worker population was compared to a baseline population of employees which was broken up into two employee groups: "rookies" and experienced hires. The formal and informal transfer of three types of knowledge (job task, role, and organizational norms) was assessed by using surveys and interviews (including social network methods) on a research population consisting of 166 employees (both rookies and experienced hires) and contract workers from a Fortune 100 company. The findings include: (a) Job task knowledge was transferred more often than role and organizational norms knowledge, (b) coworkers were used more than managers a source of knowledge overall, (c) worker classification as well as job task and …
Organizational Support Systems for Team-Based Organizations: Employee Collaboration through Organizational Structures
The purpose of this study was to examine relationships between organizational support and Effectiveness, Empowerment, and team characteristics. Support was operationalized by nine systems: Executive Management, Direct Supervision, Group Design, Performance Definition, Performance Review, Training, Rewards, Information, and Integration. Support was rated in two ways: how important is support for performing work (Importance scales), and how does support describe work environments (Presence scales).
"Organizing Victory:" Great Britain, the United States, and the Instruments of War, 1914-1916
This dissertation examines British munitions procurement chronologically from 1914 through early 1916, the period in which Britain's war effort grew to encompass the nation's entire industrial capacity, as well as much of the industrial capacity of the neutral United States. The focus shifts from the political struggle in the British Cabinet between Kitchener and Lloyd George, to Britain's Commercial Agency Agreement with the American banking firm of J. P. Morgan and Company, and to British and German propaganda in the United States.
Organochlorine Pesticides and Heavy Metals in Fish From the Trinity River, Texas
The Trinity River passes through the Dallas-Fort Worth metroplex receiving point and non-point source contaminant loadings. Lepomis spp. were collected at twelve sampling locations in the Trinity River in August 1987 and September 1988 and analyzed for organochlorine pesticides and heavy metals. Results from the study were compared to existing U.S. FDA action and tolerance levels, LC50s, and historical data. Various longitudinal trends and some concentration patterns were observed. Continual study of pesticide and metal body burdens in fish allow testing for trends, and thereby, lead to a better understanding of the distribution of contaminants in the Trinity River.
Out with the Old? Voting Behavior and Party System Change in Canada and the United States in the 1990's
This study has attempted to explain the dramatic challenges to the existing party system that occurred in Canada and the United States in the early 1990s. The emergence of new political movements with substantial power at the ballot box has transformed both party systems. The rise of United We Stand America in the United States, and the Reform Party in Canada prompts scholars to ask what forces engender such movements. This study demonstrates that models of economic voting and key models of party system change are both instrumental for understanding the rise of new political movements.
Outliers and Regression Models
The mitigation of outliers serves to increase the strength of a relationship between variables. This study defined outliers in three different ways and used five regression procedures to describe the effects of outliers on 50 data sets. This study also examined the relationship among the shape of the distribution, skewness, and outliers.
Overcoming the Regional Burden: History, Tradition, and Myth in the Novels of Cormac McCarthy
In Overcoming the Regional Burden: History, Tradition, and Myth in the Novels of Cormac McCarthy, I contend that McCarthy's literary aesthetic develops and changes as he moves from Tennessee to Texas. McCarthy's conspicuous Southern and Southwestern regional affiliations have led critics to expect his works to recapitulate native history, traditions, and myths. Yet, McCarthy transcends provincial regionalism by challenging the creation of the regional and national myths we confuse with our actual histories and identities. McCarthy's fictions point away from accepted histories and point instead to figures marginalized by society and myth makers. These figures, according to McCarthy, are just as much a part of the creation of myth as those figures indelibly imprinted on our consciousness by literary and historical tradition. My dissertation, in many respects, focuses on McCarthy's debunking of both literary and historical tradition, and his concomitant revitalization of American identity.
Overrings of an Integral Domain
This dissertation focuses on the properties of a domain which has the property that each ideal is a finite intersection of a π-ideal, the properties of a domain which have the property that each ideal is a finite product of π-ideal, and the containment relations of the resulting classes of ideals. Chapter 1 states definitions which are needed in later chapters. Chapters 2 and 3 focuses on domains which have the property that each ideal in D is a finite intersection of π-ideals while Chapter 4 focuses on domains with the property that each ideal is a finite product of π-ideals. Chapter 5 discusses the containment relations which occur as a result of Chapters 2 and 3.
Owen Glendower and the Welsh Fight for Independence
Owen Glendower led the last military struggle of the Welsh against the English crown for Welsh independence and nationalism. The failure of the Glendower rebellion established the supremacy of English rule over Wales. For six hundred years the status of Wales as a principality of the crown has not been seriously challenged. This paper will show how widespread the idea of "Welshness" was in 1400 and how much support existed for Wales as an independent nation. Welshmen sought to move from the status of a medieval, tribal principality to a position of an independent nation capable and ready to stand with other national in the world. The role of leadership that Owen Glendower assumed in the final rebellion against the English king, Henry IV, lifted him from a popular Welsh prince to an historical legend.
Paintings and Palaces, or the Lament of the Burger Flipper
The opera is scored for chamber orchestra consisting of one oboe, two Bb clarinets, two horns in F, one trumpet in C, one tenor trombone, two percussionists (playing snare drum, bass drum, tambourine, wood block, triangle, suspended cymbal, crash cymbal, agogo bells, cow bell, brake drum, metal whistle, whip, large gong, Glockenspiel, chimes, timpani in F (low) and C), eight or more violins in two parts, six or more violas in two parts, and eight or more cellos in two parts. The characters are Alejandro Jiminez, a dramatic tenor; the Manager of Burger Palace, a baritone; the Suits 1/Fast Food Workers, a choir (SATB) and the Suits 2/Customers, a second choir (SATB), each ideally consisting of eight vocalists for a total of sixteen; the Daydream Figures, which are mimed parts; the Man with Gun, which is a spoken part. The opera, in one act consisting of six scenes and an interlude, is based on a libretto by the composer. There is only one scene change: from an essentially empty stage to a fast food restaurant in Scene 4. The length of the work is approximately sixty to sixty-five minutes.
Paraeducators' Attitudes Toward Students with Disabilities: Implications for Staff Development
This study identified the attitudes of paraeducators toward students with disabilities and the implications for staff development. The purpose of this study was to survey attitudes of paraeducators toward students with disabilities. The attitude and demographic information obtained through the survey were analyzed for its implications for staff development with paraeducators.
Parallels in the Development of Electronic and Percussion Music and an Examination of Performance Problems in Lejaren Hiller's Machine Music for Piano, Percussion and Two-Channel Tape Recorder with Three Recitals of Selected Works of Rolnick, Kessner, Xenakis, Winsor, Niimi, and Others
This study traces the significant developments in the late nineteenth and early twentieth centuries which led to the development of electronic music and increased writing for percussion. Whether by coincidence or premeditation, the field of percussion in Western culture and electronic music share many parallel aspects in their history. Carlos Chavez, Edgard Varese and John Cage foresaw a time when electronic music would allow composers to realize compositions with ease, provide new sounds to the spectrum of possible material for pieces and aid in the conception of works. Significantly, these same composers were important figures in the development of percussion composition. In many ways, Lejaren Hiller's Machine Music can be seen as a culmination of the developments which had been taking place in the history of electronic music and percussion music. A product of the innovations in both fields, it poses some formidable problems for the performers. This study will give some background into its composition, examine its structure and deal with its performance problems.
Parent Adaptive Doll Play with Children Experiencing Parental Separation/Divorce
Parent Adaptive Doll Play, a technique in an early stage of development, is designed for use by parents in assisting their young children to cope with the stresses of parental separation/divorce. The effects of technique implementation by parents of three- through six-year-old children were investigated. Data was collected before and after parents received training and implemented the technique over an eight-week period. Parents completed the Child Behavior Rating Scale, Burks' Behavior Rating Scales, the Parenting Stress Index, and the Parental Attitude Scale. Twenty-two parents, reporting marital separation through separation and/or divorce, within 18 months prior to the beginning of the study, and reporting more than 50 percent physical custody of a three- through six-year-old child qualified for participation. Twelve children were experimental subjects and ten were control subjects. To determine differences between groups, a one-way analysis of covariance was performed on each post test variable. Positive differences were calculated in several areas of child behavior by parents of subjects in the experimental group. No significant differences between groups were found in any area of child behavior. The score which most closely approached significance, however, was found in the Burks' Behavior Rating Scale area of poor anger control.
Parent Responses to the Birth and Rearing of a Child with Down Syndrome : The Application of Engel's 3-stage Theoretical Model of Grieving
The purpose of this study was twofold: 1) To analyze the similarities and differences between parent responses to the birth and rearing of a child with Down syndrome and; 2) To document the characteristics of grieving described in Engel's 3-stage model of grieving. A questionnaire was used to assess responses from randomly chosen parent members of the Dallas Down Syndrome Guild. Qualitative data analysis was conducted, using the methodology of triangulation.
Parent Training and Guided Imagery: Comparison of a Traditional and a Modified STEP Program
The effectiveness of guided imagery as an enhancement to the Systematic Training for Effective Parenting (STEP) program was explored during a shortened 8-week program using three parent groups of elementary-age students matched for parent training experience and couple participation: a) an imagery-modified STEP group (STEP-Im, n = 14); b) a traditional STEP group (STEP, n = 14); and c) a drop-out comparison group (n = 10). Guided imagery consisted of centering exercise(s) for focus and concentration; structured imagery of Adlerian concepts; and open-ended role-assumption imagery for clarifying personal values, the perspectives of others, and concept practice.
Parental and Children's Experiences and Adjustment in Maternal Versus Joint Custody Families
Differences between joint custody and mother custody families were assessed. The sample consisted of 42 post divorce families which had a child between the age of 4 and 15 years and resided in the Dallas/Fort Worth metroplex. This cross sectional, multimethod, quasi-experimental study examined two groups of divorced families. The experimental group consisting of 21 joint custody families, was compared to the control group, consisting of 21 mother custody families. Families were matched between the two groups based on the child's gender, age and time lapse since parental separation. Within each family, interviews were conducted with one parent and with the parent's permission, a target child. Besides the interview, parents completed a questionnaire and the Child Behavior Checklist. Only 19 parents gave permission for their child to be interviewed. Parents completed a questionnaire and the Child Behavior Checklist.
Parental Cultural Mistrust, Background Variables, and Attitudes Toward Seeking Mental Health Services for Their Children
Attitudes toward mental illness and the willingness to seek psychological treatment for their children among ethnic minority group parents were investigated. Participants consisted of black, Hispanic, Native American and Asian parents. All parents were given the Terrell and Terrell Cultural Mistrust Inventory, Cohen and Struening Opinions About Mental Illness Scale, Reid-Gundlach Social Services Satisfaction Scale, Fischer-Turner Attitudes Toward Seeking Professional Help Scale, and Ahluwalia Parents' Psychological Help-Seeking Inventory. A multiple regression model was used to explore the purpose of this study. Parental mistrust level, ethnicity, education, income level, and opinions about mental illness served as predictor variables. The criterion variables consisted of scores on the Social Services Satisfaction Scale and Attitudes Toward Seeking Professional Psychological Help Scale. The results indicated that the most significant predictor of psychological help-seeking was parental cultural mistrust level. Parents with higher cultural mistrust levels were less likely to seek help. Education was also predictive of black and Native American parents' help-seeking attitude and willingness to seek psychological help for their children. Black and Native Americans with lower levels of education were less willing to seek treatment for their children than members of those ethnic groups with higher levels of education. Ethnicity was also related to parental willingness to seek help for their children. Hispanic and black parents expressed more willingness to seek help than Native American and Asian parents. Finally, parents' opinions about mental illness were found to be significantly related to help-seeking attitude. Parents with positive opinions about mental illness were more likely to utilize professional psychological help than those parents with negative opinions about mental illness. Some clinical and theoretical implications of these findings are discussed.
Parental Socialization Value Change through Time and Space
Parental socialization values are compared over sixty years by using data from the Denton Parent Project collected in 1989 and from similar questions asked of parents in Middletowri in 1924 and 1978, The objectives of the study were as follows: how have parental socialization values changed through time since the 1920s; has the impact of parental social class status on parental socialization values decreased over time; compare Alwin's study on obedience and autonomy to see how trend has changed from 1978 Middletown to 1989 Denton; and, finally, look at certain family structure variables to determine their influence. Today's parents emphasize social acceptance and a sense of social responsibility in child training practice. Social class still has an impact on parental socialization values but not as great as expected.
Parenting Stress and the Family Environment of Mothers Who Have Returned to College
Stress plays a key role in our daily lives, influencing our emotional state, productivity, and health. One particular role in life, being a parent, has attracted significant attention in the research world in terms of the amount of stress parents experience in relation to different aspects of being parents. A life change that many parents, particularly mothers, are experiencing in increasing numbers is their return to college. This study compared reports of parenting stress and perceptions of the family environment between two groups of mothers. The first is a group of 32 mothers who were working 30 or more hours a week outside the home and were not enrolled in college while the second group consists of 31 mothers who were in college full-time and working less than 10 hours a week outside the home. All of the mothers were between the ages of 25 and 45 and had at least one child between the ages 5 and 12 years old. In both groups the mothers verified that their child(ren) was (were) without any diagnosis of an emotional, behavioral, or learning problem. A series of one-way multivariate analysis of variance (MANOVAs) were performed. Results indicated there were no significant group effects related to the overall parenting stress expressed by the mothers. A significant group effect was noted (F = 5.31;\ p < .05) in that the working mothers reported a greater level of perceived poor health than the mothers who were attending college full-time. In relation to the mothers' perception of their family environment, a significant group effect (F = 6.23;\ p < .05) was found indicating that the working mothers reported a greater emphasis on ethical and religious issues and values.
Parenting Stress in Mexican American and Caucasian Parents of Children with ADHD
The purpose of the present study was to examine whether differences exist between reports of parental stress in Mexican American and Caucasian mothers of children with ADHD. A second purpose was to examine whether there were child and family characteristics that made unique contributions to levels of parenting stress in Mexican American parents of children with ADHD. A third purpose was to examine the role that level of acculturation plays in the Mexican American mothers' reports of stress. Dependent measures used in this study include the Parenting Stress Index (PSI) and the Child Behavior Checklist (CBCL).
Parents' Divorce Affect upon Children: Mothers' Perceptions
This study will attempt to identify the reported problem behavior in children impacted by parental divorce. Further, it will try to determine whether pre-divorce interparental conflict, time spent with the mother, and the mother's adjustment affects the problem behavior reported for children. The following analytic techniques will be used: frequency distributions, t-tests, correlations, and regression.
Parents' Motivation in Registering their Child for Gymnastics
This study examined factors that motivate parents to involve their children in organized gymnastics programs. A questionnaire based on McCullagh et al.'s (1993) study of recreational soccer players was used along with open-ended questions. The questionnaire was administered to parents of children who were involved in a private gymnastics club. Descriptive statistics of 156 surveys showed that fitness, skill development, and fun were most frequently cited reasons for parents in their decision to enroll and keep their child in gymnastics programs. Competition was the least important factor. ANOVA showed that competition and team membership factors were more important to the parents of competitive gymnasts than parents of recreational gymnasts. Coaches and youth sport program organizers could use these findings to develop and market youth activity programs.
Parents' Understanding of Developmentally Appropriate Practice in Early Childhood Education
The intent of this study was to determine what understanding and knowledge parents had of developmentally appropriate practice (DAP). The study examined whether the beliefs of parents who enrolled their children in a National Association for the Education of Young Children (NAEYC) accredited program had any impact on their expectations for a philosophy and curriculum that is centered around DAP. In addition, the study examined whether parents' understanding of DAP changed when their children transitioned from infant and toddler programs, to preschool. The study group consisted of parents with children in two privately owned NAEYC accredited centers in 1998 (N=131). Results from parent reports indicated a high level of parent knowledge regarding DAP.
Part 1. Investigation of Aluminum Amino Acid Complexes; Part 2. Structural Studies of Aluminum Chalcogen Bonds
Five different complexes of aluminum and amino acids have been synthesized and characterized. Reaction between aluminum halides and amino acids that do not contain either a carboxylate or a hydroxy group in the side chain produce complexes of the general formula, [Al(amino acid)_n(halide)_3-n]_m. The most prevalent form of this form of complex is where n = 2, and an example of this in which the halide is replaced by hydroxide ligand has been structurally characterized. The complex for which n = 3 may be obtained by employing a large excess of acid, and that for which n = 1 may be obtained by employing either equimolar conditions or an excess of aluminum halide. Reactions of aluminum halides with amino acids that contain either a carboxylate or hydroxy-containing side chain may result in complexes in which the side-chain is also bound. These proved impossible to characterize fully in the case of aspartic acid. For serine, however, a complex in which the amino acid binds in a chelating fashion through both the carboxylate and hydroxy groups was isolated. It was possible to form complexes when utilizing aluminum alkyls as the metal source. However, these complexes could only be isolated when the reactivity of the species was controlled by the presence of bulky groups. In these cases, the monomeric R_2Al(amino acid) complexes were obtained. Four complexes that contain aluminum-chalcogen bonds were structurally characterized. These included the bulky alkoxide complexes (BHT)_2AIH(OEt_2), (BHT)_3Al(cyclohexanone), and the cubane [(t-amyl)AlS]_4.
Part I: Solid State Studies of Larger Calixarenes : Part II: Synthesis and Characterization of Metallocalixarenes
Calixarenes are a class of macrocyclic compounds that have garnered interest in large part because of their ability to form host-guest complexes with various types of molecules. For all of the studies of complex formation by calixarenes, most of the work to date has concentrated upon the smaller calixarenes, and little is understood about the relationship between the complexes formed when in solution and that observed in the solid state. The first part of the study, presented in Chapter 3, is of the solid-state properties of two of the larger calixarenes, and in comparison to other reported structures reveals patterns to the observed conformations both in the solid state and in solution. The formation of metal complexes has also been investigated and has focused extensively upon the metals as guests. Thus, the ability of the calixarenes to act as ligands in inorganic complexes has been virtually untapped, despite the polyoxo binding site they can easily provide, and very few metallocalixarenes have been reported. The second part of this study goes beyond the simple solid-state properties of such compounds, and involves the synthesis of several metallocalixarenes as part of a project directed at the functionalization of calixarenes with the components of a class of catalysts known to polymerize various olefins. These catalysts, commonly referred to as Ziegler-Natta catalysts, are introduced in Chapter 4. The new compounds presented here--three new aluminocalixarenes in Chapter 5 and a new titanocalixarene in Chapter 6--were synthesized so as to contain some of the same components observed in several of the other catalysts. These new compounds have been characterized crystallographically as well as through proton and multinuclear NMR, and observed conformational patterns are discussed.
A Partial Analysis of Adult Students in the Public Four Year Institutions in Oklahoma
The primary purpose of this study was to identify and secure perceptions of what personal and institutional factors influenced and attracted adult students to enroll in four year institutions in Oklahoma. The secondary purpose was to compare student responses by institution. The more notable findings include: (1) dominant personal factors as to why adult students in this study returned to college were reportedly to improve/advance themselves, especially as it relates to their career; (2) flexible class scheduling was reported to be the most important institutional function for recruiting adult students, with academic quality and institutional costs of education next in importance; (3) almost 90% of respondents reported being under 45 years of age; (4) almost 85% reported commuting fewer than 50 miles to class; (5) approximately 90% reported enrolling each fall and spring (6) approximately twice as many respondents who returned to college reported they did so because it was more important to them to complete an unfinished degree than to begin a degree. Conclusions drawn from this study are as follows: (1) adult students appear to be unlikely to enroll in classes meeting more than three times a week; (2) adult students in Oklahoma may no longer be described as part time and/or night students; (3) these students appear to be returning to college as full-time students, absorbing it into their daily lives and continuing their careers; (4) adult students in Oklahoma are homogeneous in that they tend to be relatively young, white, well educated and employed; (5) institutional officials should exercise caution about using the information given by these students as tools for recruiting adult students to their institutions.
Participation in Student Financial Aid Programs during the Freshman Year and Persistence in a Private University
The study determined the overall persistence rate of first-time full-time entrants into a mid-sized private university during the fall semesters 1989 to 1991 to the 2nd year (1990 to 1992). The study compared the retention rate of recipients and nonrecipients of a variety of financial aid programs. Included is a comparison of groups receiving various types of financial assistance and whether or not there are differences between the groups with respect to types of assistance, gender, ethnicity (African American, Hispanic, Anglo), high school grade point average, and national test scores (SAT, ACT). The types of assistance studied were categorized by academic scholarships, university-operated student employment, need-based grants, activity awards, entitlements, and loans. The question of whether renewal, elimination, or reduction in assistance relates to retention was also studied.
Particle size distribution and qualitative/quantitative analysis of trace metals in the combustion gas and fly ash of coal/refuse derived fuel
This work includes two different areas of research. Both areas are related to the combustion of the binder-enhanced densified refuse derived fuel (bdRDF) with high sulfur coal and examining trace elements. The first area of this work involved studying the trace metals in the combustion gas of bdRDF/coal blend and the effect of the binder, CA(OH)2, on reducing the trace elements emissions. The second area of work involved studying the trace elements in the fly ash and the effect of the dRDF and the binder of trace metals.
Party-Military Relations in the PRC After Mao, 1976-1990
The importance of party-military relations in the People's Republic of China was succinctly stated by Mao in his dictum that "political power comes from the gun" and "the Party should command the gun." Party-military relations in the PRC have never fully conformed to Mao's warning. This study seeks to analyze the nature and types of party-military relations in the PRC during the post-Mao period and the factors affecting change in these relations.
A Path Analysis of Caregiving the Elderly: Voluntariness as a Variable of Role Assumption
Structural equation modeling was utilized in studying the voluntariness of the assumption of caregiving status. A model hypothesizing the stress flow that occurs when assuming a new life schema was presented. Utilizing three groups of caregiving populations, Home Caregivers, Intermediate Care Facility Aides, and Intensive Care Units and Emergency Room Nurses (N = 66), measures were administered to determine the voluntariness of the assumption of the role of caregiver. Path analysis and causal interpretation were utilized to determine outcomes. The involuntary assumption of the role of caretaker was shown to significantly affect depression and burnout rates negatively when perceived feelings of burden were high. When caretaker age was greater upon assumption of the role, self-esteem was low and family support was perceived to be lacking. When the role of caretaker is assumed on a voluntary basis and support from outside sources is perceived as helpful (i.e., social or financial support from the family), job stress and the subjective manageability of the symptoms were viewed as manageable. Implications for those assuming the role of caretaker with the elderly were examined, and recommendations for further training and interventions within the caretaker population were offered.
Pathologies in Earthworms: Sublethal Biomarkers of Xenobiotic Toxicity
This research is part of an overall program to develop and use a suite of acute and sublethal toxicity biomarkers, and testing protocols for use in assaying potential effects of complex mixtures of xenobiotics such as found in soils containing agricultural biocides and petrochemical wastes dredged sediments, and hazardous waste sites (HWS). The purpose of this study was to evaluate four biomarkers of sublethal pathology that could be used in an integrative model of multiple toxicity endpoints with the earthworm Lumbricus terrestris.
Patronage Behavior of Elderly Consumers in the Purchase of Pharmaceuticals with Teaching and Learning Implications for American Higher Education
This study concerned the impact lifestyles of the elderly have on purchases from different product categories. The main purpose was to determine, evaluate, and analyze the effects of lifestyles on elderly shoppers' choice of retail outlets.
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