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  • Adolescent substance abuse treatment incorporating "Rites of Passage"

    Creator:
    Mason, Michael J.
    Abstract:
    This investigation assessed the effectiveness of an adolescent substance abuse treatment program that incorporated "Rites of Passage." Named Gender Based Treatment (GBT), the treatment program sought to address the adolescents' developmental needs through the use of rituals, myth and story telling, and rites of initiation. Employing quantitative and qualitative analysis,...
    Resource Type:
    Dissertation
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    of Passage" AN ABSTRACT OF THE THESIS OF Michael J. Mason for the degree of Doctor of Philosophy

  • The GED certificate as a credential for entry into and retention in the workforce : recipient and employer perceptions

    Creator:
    Mason, Roy B.
    Abstract:
    The purpose of this research was to assess the use of the General Educational Development Tests (GED) as an alternative high school credential in Oregon. A study was conducted of 469 Oregon GED recipients' and 646 private sector employers' perceptions of the GED. Both quantitative and qualitative measurements were used...
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    Dissertation
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    . Mason II for the degree of Doctor of Philosophy in Education presented on May 7, 1993. Title: The GED

  • Activation, modification and suppression of sex pheromone production in garter snakes

    Creator:
    Parker, M. Rockwell
    Abstract:
    Vertebrates communicate with one another and coordinate intraspecific reproduction by using a variety of sexually dimorphic signals, such as plumage, ornaments, sounds, and/or scents. These sexual dimorphisms are maintained by physiological factors, typically sex-specific hormones (though see Chapter 3 for an exception). The purpose of the research in this dissertation...
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    Dissertation
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    . Rockwell Parker and Robert T. Mason Currently in press for publication in the

  • Pheromonal mediation of reproductive behavior in the brown tree snake

    Creator:
    Greene, Michael John
    Abstract:
    In animals, reproductive behaviors serve to attract individuals together during the breeding season and to coordinate the behavioral and physiological states of individuals so that mating can successfully occur. In snakes, the various reproductive behaviors including courtship, mating, courtship inhibition, male combat and trailing are mediated primarily by pheromones. Pheromones...
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    Dissertation
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    thank my dissertation advisor, Robert T. Mason, for the support and encouragement he has given

  • Reproductive biology and behavior of the brown tree snake (Boiga irregularis) on Guam.

    Creator:
    Waye, Heather L.
    Abstract:
    While there are many more species of reptiles in the tropics than in temperate latitudes, relatively little is known about the natural history of tropical species of snakes. Even basic information, such as reproductive ecology and behavior, is lacking. Patterns of reproduction in tropical species differ from patterns in temperate...
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    Dissertation
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    , Robert T. Mason, for all of the support he has given me in this endeavor. I also greatly appreciate

  • Exploring the structural dynamics of human understanding : an historico-philosophical analysis of the problem of meaning in Heidegger and Bohr

    Creator:
    Tattersall, Mason
    Abstract:
    This dissertation explores the structural dynamics of human understanding and particularly the concept of meaning and its connections to concepts of ultimate ground, necessity and contingency, language, and perception. It focuses on the history of the concept of meaning in early twentieth-century European physics and philosophy, through an analysis of...
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    Dissertation
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    ABSTRACT OF THE DISSERTATION OF Mason Tattersall for the degree of Doctor of Philosophy in History of

  • Phenotypic variation in the sexual attractiveness pheromone of the red-sided garter snake, Thamnophis sirtalis parietalis

    Creator:
    LeMaster, Michael P.
    Abstract:
    Pheromones are chemical cues produced by organisms that affect the behavior and/or physiology of conspecifics. The orchestration of reproductive behaviors in many animals depends on the expression of sex pheromones. In insects, intraspecific variation in sex pheromone expression is commonly observed and often influences social interactions between individuals. To what...
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    Dissertation
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    . LeMaster for the degree of Doctor of Philosophy in Zoology presented on September 21, 2001. Title

  • Reproductive implications of parasitic infections and immune challenges in garter snakes

    Creator:
    Uhrig, Emily J.
    Abstract:
    Parasitic infections and immune challenges can affect host reproductive fitness and, ultimately, the evolution of host populations in a myriad of ways. The fitness implications of parasitic infections range from increased host mortality to subtle changes in reproductive investment. From alterations of behaviors, sexual signaling, and competitive ability to changes...
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    Dissertation
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    for the results. M. L. Kent assisted with study design and R. T. Mason assisted with animal

  • Stress and reproduction in male garter snakes

    Creator:
    Moore, Ignacio T.
    Abstract:
    Animals respond to stressful situations with increases in plasma levels of glucocorticoid stress hormones. These hormones originate from the adrenal cortex in response to stimulation of the hypothalamic-pituitary-adrenal axis. Glucocorticoids (corticosterone in reptiles) function to mobilize energy and suppress unnecessary functions until the stress passes. Among these immediately unnecessary functions...
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    Dissertation
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    Acknowledgements I would like to thank my advisor Bob Mason for supporting me both financially and intellectually

  • Characterizing the Function of the Harderian Gland and its Interactions with the Vomeronasal Organ in the Red-sided Garter Snake, Thamnophis sirtalis parietalis

    Creator:
    Bentz, Ehren
    Abstract:
    The Harderian gland is a large cephalic gland present in most groups of terrestrial vertebrates. Although the Harderian gland has been the focus of numerous studies for more than 300 years, its physiological function has remained largely unresolved. Harderian gland secretions are diverse among different taxa, and many putative functions...
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    Dissertation
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    want to thank my doctoral advisor, Dr. Robert T. Mason, for his support and encouragement during my