Adolescent substance use research has yet to consider victimization as a potential risk factor contributing to alcohol and marijuana use among American Indian youth living on or near reservations, despite the presence of traumatic experiences, childhood adverse events, racism, and discrimination. Contribution to this lack of attention may be due to little being known about American Indian youth victimization. Even less is known about its association with alcohol and marijuana use in general and for those youth living on or near reservations in particular. This study utilizes mixed methods with a nationally representative sample of American Indian youth living on or near reservations in the first phase. A qualitative study in the second phase followed up with a group of practitioners serving American Indian youth living on or near a reservation to explore the association between victimization and alcohol and marijuana use. Understanding the perceptions of practitioners presents an opportunity for collaborative knowledge creation on the conceptualization of victimization and its relationship to alcohol and marijuana use. A secondary data analysis utilizing ordinary least squares regression yielded several significant contributions to alcohol and marijuana user levels when the models were run with the sample intact and when run by gender and compared side-by-side. Extending these findings to a qualitative follow-up produced themes that illustrated practitioner conceptualizations of victimization and perceptions about the influence of these experiences on alcohol and marijuana use among the American Indian youth they serve. Study findings inform or enhance substance use treatment design, delivery, and policy, and to advocate for tribal sovereignty and self-determination.

In the restaurant industry, some patrons do not honor their reservations, especially on holidays. Grounded in postpositivism and system theories, the purpose of this comparative study was to examine the impact of implementing a credit card payment policy for fine dining restaurants reservations and no shows after implementation of a credit card guarantee policy at a high-end hotel located in the southeast United States. Data were collected from archival records provided by the hotel executives. According to the results of a Wilcoxon Signed Rank test, there was a statistically significant decrease in the number of no shows, p < .001, after the implementation of the credit card guarantee policy. In a paired sample t-test, there was a statistically significant decrease in the number of reservations, p < .001, after implementation of the credit card guarantee policy. The implications for positive social change include the potential to increase understanding of payment policies as they relate to the restaurant industry. Service industry managers can benefit from implementing payment policies that can vary from specific dates, seasons, and type of services. Customers will also benefit by being able to make reservations not originally possible due to demand. The current study adds to service industry knowledge, increasing the understanding of payment policies as they relate to restaurant industry. Conducting a similar study in other service industries in the future may lead to a better understanding of the nature of policies and customers' traits and behaviors.

The emergence of Grid computing infrastructures enables researchers to shareresources and collaborate in more efficient ways than before, despite belongingto different organizations and being geographically distributed. While the Gridcomputing paradigm offers new opportunities, it also gives rise to newdifficulties. This thesis investigates methods, architectures, and algorithmsfor a range of topics in the area of Grid resource management. One studiedtopic is how to automate and improve resource selection, despite heterogeneityin Grid hardware, software, availability, ownership, and usage policies.Algorithmical difficulties for this are, e.g., characterization of jobs andresources, prediction of resource performance, and data placementconsiderations. Investigated Quality of Service aspects of resource selectioninclude how to guarantee job start and/or completion times as well as how tosynchronize multiple resources for coordinated use through coallocation.Another explored research topic is architectural considerations for frameworksthat simplify and automate submission, monitoring, and fault handling for largeamounts of jobs. This thesis also investigates suitable Grid interactionpatterns for scientific workflows, studies programming models that enable dataparallelism for such workflows, as well as analyzes how workflow compositiontools should be designed to increase flexibility and expressiveness. We today have the somewhat paradoxical situation where Grids, originally aimed tofederate resources and overcome interoperability problems between differentcomputing platforms, themselves struggle with interoperability problems causedby the wide range of interfaces, protocols, and data formats that are used indifferent environments. This thesis demonstrates how proof-of-concept softwaretools for Grid resource management can, by using (proposed) standard formatsand protocols as well as leveraging state-of-the-art principles fromservice-oriented architectures, be made independent of current Gridinfrastructures. Further interoperability contributions include an in-depthstudy that surveys issues related to the use of Grid resources in scientificworkflows. This study improves our understanding of interoperability amongscientific workflow systems by viewing this topic from three differentperspectives: model of computation, workflow language, and executionenvironment. A final contribution in this thesis is the investigation of how the design ofGrid middleware tools can adopt principles and concepts from softwareengineering in order to improve, e.g., adaptability and interoperability.

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The purpose of this research is to contribute to the identification of appropriate forest tenure and governance designs that are in congruence with Aboriginal values, interests and rights. The research is highly relevant to current societal deliberations on sustainable forest management as well as to the future of the forest sector in Canada. First Nations culture and ways of life are intimately and inextricably tied to the land. Some eighty percent of Canada’s First Nations communities are situated in productive forest regions (NAFA 2003). Even so, First Nations have been largely excluded from forest development and planning activities. Furthermore, the provincial policy emphasis on industrial timber production may not be consistent with Aboriginal forest values. This community-based research takes a participatory approach to forest policy analysis. The work is conducted in partnership with the Stellat’en First Nation and Carrier Sekani Tribal Council in central British Columbia. Stellat’en criteria for forest tenure and governance are identified in a series of workshops and interviews. These criteria are then applied in the analysis of four alternative models: the Community Ecosystem Trust, the Gitanyow joint land use planning model, BC Community Forest Agreements and Aboriginal reservations in the United States. The results indicated that Stellat’en have three main goals regarding forest tenure and governance: protect the traditional territory for future generations, protect Stellat’en culture and support Stellat’en economic self-determination. Implementation of the Stellat’en vision calls for a greater emphasis on ecological and cultural values in forest management, devolution of decision making authority to First Nations, reallocation of harvesting rights and redistribution of wealth generated by forest activities. The Stellat’en perspective emphasizes co-existence and stewardship. Evaluation of the four alternative models provided useful insights for progressive tenure and governance design. All four models had positive aspects to contribute, as well as shortcomings. The models are not mutually exclusive. Since each model addresses different management and institutional functions, they could be combined into a new system for the future.

The purpose of this research is to contribute to the identification of appropriate forest tenure and governance designs that are in congruence with Aboriginal values, interests and rights. The research is highly relevant to current societal deliberations on sustainable forest management as well as to the future of the forest sector in Canada. First Nations culture and ways of life are intimately and inextricably tied to the land. Some eighty percent of Canada’s First Nations communities are situated in productive forest regions (NAFA 2003). Even so, First Nations have been largely excluded from forest development and planning activities. Furthermore, the provincial policy emphasis on industrial timber production may not be consistent with Aboriginal forest values. This community-based research takes a participatory approach to forest policy analysis. The work is conducted in partnership with the Stellat’en First Nation and Carrier Sekani Tribal Council in central British Columbia. Stellat’en criteria for forest tenure and governance are identified in a series of workshops and interviews. These criteria are then applied in the analysis of four alternative models: the Community Ecosystem Trust, the Gitanyow joint land use planning model, BC Community Forest Agreements and Aboriginal reservations in the United States. The results indicated that Stellat’en have three main goals regarding forest tenure and governance: protect the traditional territory for future generations, protect Stellat’en culture and support Stellat’en economic self-determination. Implementation of the Stellat’en vision calls for a greater emphasis on ecological and cultural values in forest management, devolution of decision making authority to First Nations, reallocation of harvesting rights and redistribution of wealth generated by forest activities. The Stellat’en perspective emphasizes co-existence and stewardship. Evaluation of the four alternative models provided useful insights for progressive tenure and governance design. All four models had positive aspects to contribute, as well as shortcomings. The models are not mutually exclusive. Since each model addresses different management and institutional functions, they could be combined into a new system for the future.

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