Acclimation temperature had a significant effect on the lethality of copper to fathead minnows in replicated 96-hour lethality tests. Lowest median lethal copper concentrations (LC50) were recorded at 12 and 22°C, with LC50s at 5 and 32°C at least 140 μg/1 higher. This research found LC50 copper concentrations in the 300 to 500 μg/1 range and a polynomial relationship between LC50s and acclimation temperature. Following a 24-hour exposure to three sublethal concentrations of copper, critical thermal maxima (CTMax) were tested in minnows acclimated to four temperatures. Sublethal exposure to copper significantly decreased the CTMaxs relative to controls at three of the four temperatures. Control CTMaxs ranged from 28.6 to 40.4°C and increased 0.46°C for each 1°C increase in acclimation temperature.

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.

A specifically oriented instrument was used to partially replicate a study by Dietz (1988) in an effort to compare the utility of the phi coefficient and Rescorla index measures of perceived contingency of reinforcement in children and examine the relationship of these measures to locus of control, teacher ratings of helplessness and academic performance.

Nutrients are of critical concern in water quality assessment. The development of empirical models to estimate mean nutrient concentrations, based on satellite derived land use, could aid water resource managers. Models using land use acreages outperformed those using percentages, and discrete urban land uses were superior to lumped urban. Regressions of the combinations of two, three and four of the eight possible land use variables were investigated. Sensitivity analyses, with one stream deleted each series, identified robust combinations of variables at each level. Although uncertainty exists regarding the final regression coefficients, five of the six actual measured nitrate and total phosphorus mean concentrations were within the 95 percent confidence limits.

Contributions of home environment and family socioeconomic status (SES) on the intelligence test performance of 24 exceptional children aged five through seven years were investigated. It was hypothesized that higher SES would enrich the children's environment providing a more stimulating learning experience, and would reflect a positive correlation with measures of the home environment. Additional hypotheses were that both HOME scores and SES scales would show a positive correlation with intelligence test performance. The positive association found between SES and HOME Inventory scores suggests that families with a higher SES have the ability to direct more resources toward their children. However, according to the present study, this does not affect the intelligence test performance of exceptional children.

This thesis examines the roles of the sublime and the beautiful in the works of eighteenth-century French landscape painter Claude-Joseph Vernet. An introduction to the study, a history of the sublime and beautiful, and an overview of the way these ideas are portrayed in Vernet's calm and storm pendants are provided. How commissions for these pendants relate to theoretical developments of the sublime and beautiful and how Vernet became aware of the these ideas are addressed. The thesis shows Vernet was not dependent on British patrons or on the century's most influential aesthetic treatise on the sublime and the beautiful by Edmund Burke, because Vernet started painting such themes well before Burke's treatise (1757) and did so in response to French patrons.

Let g be a complex semisimple Lie algebra, Vλ an irreducible g-module with high weight λ, pI a standard parabolic subalgebra of g with Levi factor £I and nil radical nI, and H*(nI, Vλ) the cohomology group of Λn'I ⊗Vλ. We describe the decomposition of H*(nI, Vλ) into irreducible £1-modules.

Populations that utilize deep water running (DWR) are described in Chapter I. A review of the literature concerning maximal and submaximal responses during DWR, shallow water running and swimming is presented in Chapter II. The protocols to elicit maximal responses during DWR and treadmill running (TMR), subject characteristics, and statistical methods employed are described in Chapter III. The results, presented in Chapter IV, indicate that the DWR protocol is a reliable test for eliciting peak oxygen consumption and heart rate. Furthermore, the metabolic responses during DWR are lower than TMR. Chapter V discusses factors which might limit maximal responses during DWR. Chapter VI contains suggestions for further research. Raw data are presented in Appendix A.

Natural Grammar provides a way for the junior high or high school English teacher to draw upon students' "natural," or subconscious, knowledge of the systems and structures of spoken English. When such subconscious knowledge is conceptualized (brought to the conscious level), the students can transfer that knowledge to their writing. Natural grammar, in other words, allows the teacher to begin with what students already know, so that he or she may help students to build upon that knowledge in the context of the students' own writing. Chapters include a brief history of grammar instruction, a synopsis of the theories that contributed to the development of natural grammar, a description of natural grammar, and suggestions for implementation of natural grammar in the classroom.

To meet global competition many companies have reorganized work process systems, eliminated management levels, formed employee work groups and implemented variable compensation systems. This study investigated the effect of group incentives on individual sales performance in two specialty shops located in a large metropolitan hotel. Two questions were addressed: What effect would adding a group bonus plan have on individual employee's sales performance who had previously received hourly wages in one shop; and, what effect would changing an individual incentive plan to a group plan have on the individual employee's sales performance in the other shop. In one shop 5 of 7 employees' productivity increased: in the other, 1 of 3 subjects' productivity increased. Contingencies in both shops are analyzed and suggestions offered for future research.

A popular approach to operating organizations in the 1990s is the implementation of work teams. The current literature offers little information on the use of performance management techniques in work team settings. This case study examined the effects of employing a performance improvement strategy on employee performance in a work team environment comprised of part-time graduate students. The performance improvement strategy included composing job descriptions, job aids (e.g., work organization charts), task request logs and posting weekly and monthly performance feedback. Improvements were observed in some aspects of team performance. Some of the improvement was due to task clarification and improved scheduling produced by the antecedent interventions. Performance feedback had little effect on measured performance but seemed to facilitate discussion and problem-solving.

This paper describes the artist's conception of their scientific knowledge and spiritual beliefs, and the juxtaposition of the two in a single awareness. Michael Muller discusses the use of printmaking, drawing, and photo mechanical processes to represent this awareness through visual imagery, and includes photographs of the works.

Secret Schemes is a collection of four short stories and three chapters of a novel; all the stories are humorous and deal with young women and their struggles in romantic relationships.

A Natural History is a collection of original poetry written over the past three years. This project represents a period of learning and growth, as well as a concentrated effort to develop an individual writing style and voice grounded in the most enduring poetic values of the past.

Personality characteristics of spousal and adult children and active potential caregivers of persons with Alzheimer's Disease were studied in order to better predict caregiver burden and aspects of well-being. Contrary to prediction, no differences were found between spouse and adult children active caregivers on measures of well-being. Additionally, adult children potential caregivers indicated feeling less control over their lives than spouse potential caregivers. When social desirability was controlled, active caregivers reported greater fluctuations in affect than did potential caregivers. As predicted, personality characteristics of individuals were found to have the biggest role in determining which individuals experience stress or burden.

This paper discusses the integration of imagery and form in the author's works, wheel thrown pottery intended to make an individualized statement. Steven L. Phillips discusses the process of making these forms and the imagery they contain, drawing connections to philosophical concepts.