Evaluation

The importance of employment in our society is unmistakable. The financial outcome of employment allows us to provide for ourselves and others. Furthermore, our employment status, and the work in which we engage, play a part in defining our self-concept. For many people, however, sustained employment remains elusive. The unemployment rate for individuals with disabilities is staggering, and the consequences of being without a job affects those who are unemployed, their families, and our society. There are many issues that directly challenge the employment status of people with disabilities. Some of these include funding for supported employment programs, employer bias, and the outcomes of our country's educational system. Another issue that affects the employment of individuals with disabilities is the manner in which they are prepared prior to employment and coached while on the job. The purpose of this investigation was to examine the effects of performance feedback delivered via covert audio coaching on the job performance of supported employees. A multiple baseline design across participants and work tasks was used to evaluate the effects of the intervention on the participants' work performance (accuracy and speed of task completion). The results demonstrated that the supported employees made substantial improvements on their accuracy and speed of completing the selected work tasks. The results also showed that the improvements maintained for 4-5 weeks following the removal of the intervention.

We propose a distributed, collaborative traffic congestion detection and dissemination system using VANET that makes efficient use of the communication channel, maintains location privacy, and provides drivers with real-time information on traffic congestions over long distances. The system uses vehicles themselves, equipped with simple inexpensive devices, as gatherers and distributors of information without the need for costly road infrastructure such as sensors, cameras or external communication equipment. Additionally, we present a flexible simulation and visualization framework we designed and developed to validate our system by showing its effectiveness in multiple scenarios and to aid in the research and development of this and future VANET applications.

This study examined organizational member and housing staff perceptions of organizational culture and effectiveness of residence hall associations. Two instruments, the Residence Hall Government (RHA) Effectiveness Instrument designed by Tucker (2001) and the Organizational Culture Assessment Instrument (OCAI) designed by Cameron and Quinn (1999, 2006) were utilized to gather quantitative data, while individual interviews and focus groups were conducted utilizing selected questions from the Interview Questions for Doing a Competing Values Organizational Analysis (Quinn 1988) to collect qualitative data. A mixed methodology was utilized to collect and analyze data from three sites yielding 217 assessments, 27 interviews, and 6 student focus groups with members of residence hall associations during the spring 2008 semester. The study indicated that there is a positive relationship between all ideal culture type scores identified by the OCAI and effectiveness constructs identified by the RHA Effectiveness Instrument. Additionally, there is a difference in the perceptions of Clan and Hierarchy ideal culture type scores and Housing Relationship and RHA Effects effectiveness construct scores based upon housing staff membership or RHA Legislative Body membership. Furthermore, the research indicated that level of student involvement, emphasis on leadership development and training, patterns of communication and teamwork, financial resources, implementation of rules and procedures, roles in program planning, student voice, member evaluation, collaborative partnerships with host housing departments, and relationships with university Student Government were constructs for the development of organizational culture and influenced the organizational effectiveness of RHAs. Recommendations are provided for the organizational development and evaluation of residence hall associations.

The purpose of this study was to examine the leadership characteristics of respiratory care program directors and determine the relationship between the director's leadership style, effectiveness, faculty satisfaction, extra effort, and program outcomes. Differences between the directors' perceived leadership style and faculties' perception of the directors' leadership style were also examined. Directors' leadership styles were measured by the Multifactor Leadership Questionnaire (MLQ). Director, faculty and program information was measured with a researcher-designed questionnaire. CoARC accredited program directors (n=321) and their full and part-time faculty (n=172) received an e-mail and a web link to obtain demographic information. All participants received an e-mail from Mind Garden, Inc. with a web link to complete the MLQ. Regression analysis and t tests were used to analyze the data. The results found a significant relationship between faculty satisfaction, extra effort, and perceived director effectiveness and each of the predictors transformational, transactional, and passive/avoidant leadership behaviors. There was no relationship between program director leadership style and program outcomes. This study found no difference between the directors' and the faculty's perception of the directors' transformational and transactional leadership behaviors. However, there was a significant difference between the directors' and the faculties' perception of the directors' passive/avoidant behavior.

The primary objective of this research is the development a wind and solar-powered autonomous surface vehicle (WASP) for oceanographic measurements. This thesis presents the general design scheme, detailed aerodynamic and hydrodynamic aspects, sailing performance theory, and dynamic performance validation measurements obtained from a series of experiments. The WASP consists of a 4.2 meter long sailboat hull, a low-Reynolds number composite wing, a 2000 Watt-hour battery reservoir, a system of control actuators, a control system running on an embedded microprocessor, a suite of oceanographic sensors, and power regeneration from solar energy. The vehicle has a maximum speed of five knots and weighs approximately 350 kilograms. Results from four oceanographic missions that were conducted in the Port Everglades Intracoastal Waterway in Dania Beach [sic] Florida are presented. Water temperature, salinity and oxidation-reduction measurements recorded during these missions are also discussed. The combination of a mono-hull and solid wing in an autonomous system is a viable design for a long-range ocean observation platform. The results of four near-shore ocean observation missions illustrate the initial capabilities of the design. Future work aimed to further reduce both the mass of the wing design and the power requirements of the system will increase performance in all operating conditions and should be considered. Furthermore, the progression of the legal framework related to ocean vehicles must be pursued with respect to unmanned autonomous systems.