Index Catalog // ScholarsArchive@OSU

Building conceptions and repairing misconceptions in student understanding of kinematic graphs : using student discourse in calculator based laboratories

Creator:: Hale, Patricia L.
Abstract:: The purpose of this study was to investigate teaching models that may aid in improving student's understanding of how to interpret graphs of kinematic variables. The teaching models that were considered incorporated the use of cooperative groups and calculator-based laboratory instruments, alone and in concert. The subjects used in this...
Resource Type:: Dissertation

Sea-air CO₂ flux variability on the northeast Pacific continental margin

Creator:: Evans, Wiley
Abstract:: Carbon dioxide (CO₂) fluxes between the ocean and atmosphere on continental margins are difficult to diagnose because these regions experience large variability over spatial and temporal scales spanning meters to basins and hours to years, respectively. In a global sense, continental margins could represent a significant atmospheric CO₂ sink, equivalent...
Resource Type:: Dissertation

Dynamics of organic matter production and degradation during coastal diatom blooms

Creator:: Wetz, Michael S.
Abstract:: Experiments were designed to answer key questions about diatom-derived organic matter cycling (i.e., production and degradation) in coastal systems. Dissolved organic matter (DOM) production was examined in axenic batch cultures of five diatom species. Dissolved organic carbon (DOC) release rates varied between species, but were significantly higher for all species...
Resource Type:: Dissertation
Full Text:: : ________________________________________________________________________ Patricia A. Wheeler Experiments were designed to answer key questions about

Using Vineyard Floor Management to Manipulate Vine Vigor: Impacts on 'Pinot noir' Yield Productivity and Fruit Composition

Creator:: Reeve, Alison L.
Abstract:: Winegrapes are an important crop for Oregon agriculture, ranking amongst the top ten agricultural commodities based on farmgate value. The most widely planted winegrape cultivar in the state is ‘Pinot noir’ (Vitis vinifera L.), and the majority of acreage is produced in the Willamette Valley. Production of quality ‘Pinot noir’...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Alison L

An investigation of qualities predictive of future counselor effectiveness

Creator:: Brown, Brian Hale
Abstract:: Nature of the Phenomenon The primary purpose of this investigation was to determine if the predisposition of counselor candidates on selected factors found to be associated with effective counseling, upon entering a counselor education program, was predictive of effective counselors at the end of that program. Hypotheses Two central hypotheses...
Resource Type:: Dissertation
Full Text:: counselor effectiveness AN ABSTRACT OF THE THESIS OF BRIAN HALE BROWN for the degree of DOCTOR OF

Direct and indirect effects of livestock grazing intensity on processes regulating grassland bird populations

Creator:: Johnson, Tracey N.
Abstract:: In grasslands, grazing by large ungulates can influence vegetation structure, composition, primary productivity, and ultimately, ecosystem functioning. While grazing represents a complex disturbance, grazing intensity largely determines the effects of grazing on vegetation. Structural and compositional changes in the plant community caused by grazing could have bottom-up effects on species...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Patricia L. Kennedy In grasslands, grazing by large ungulates can influence vegetation

A possible conditioning effect of methionine and vitamin B₁₂ in growth stimulation by antibiotics

Creator:: Hale, Otho M.
Resource Type:: Dissertation
Full Text:: IN GROWTh STIMULATION BY ANTIBIOTICS by OTHO MARION HALE A THESIS submitted to OREGON STATE

Beyond the paired-catchment approach : isotope tracing to illuminate stocks, flows, transit time, and scaling

Creator:: Hale, V. Cody
Abstract:: This dissertation integrates a process-based hydrological investigation with an ongoing paired-catchment study to better understand how forest harvest impacts catchment function at multiple scales. We do this by addressing fundamental questions related to the stocks, flows and transit times of water. Isotope tracers are used within a top-down catchment intercomparison...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF V. Cody Hale for the degree of Doctor of Philosophy in Water Resources Science presented

Transforming STEM Education and Empowering STEM Educators Through Collaborative Learning: Co-creating Critical Identities through Social Justice and Culturally Sustaining Pedagogies

Creator:: Hale, Karla M.
Abstract:: Despite ongoing initiatives and research efforts, the persistent underrepresentation of marginalized groups in Science, Technology, Engineering, and Math (STEM) disciplines in the U.S. has seen little improvement. This study posits that a fundamental change in teacher preparation can lead to more inclusive STEM learning environments. It centers on the development...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Karla M. Hale

Investigating the effects of temperature on secondary metabolism in Vitis vinifera L. cv. merlot berries

Creator:: Cohen, Seth D.
Abstract:: Grapes (e.g. Vitis vinifera L.) are one of the more important fruit crops from an economic standpoint with world market values over 550 million US dollars in 2007 and 2008, second to apples (United States Department of Agriculture). While a satisfactory level of ripeness is of primary concern, the quality...
Resource Type:: Dissertation
Full Text:: Temperature on Secondary Metabolism in Vitis vinifera L. cv. Merlot Berries. Abstract Approved

ScholarsArchive@OSU

Building conceptions and repairing misconceptions in student understanding of kinematic graphs : using student discourse in calculator based laboratories

Sea-air CO₂ flux variability on the northeast Pacific continental margin

Dynamics of organic matter production and degradation during coastal diatom blooms

Using Vineyard Floor Management to Manipulate Vine Vigor: Impacts on 'Pinot noir' Yield Productivity and Fruit Composition

An investigation of qualities predictive of future counselor effectiveness

Direct and indirect effects of livestock grazing intensity on processes regulating grassland bird populations

A possible conditioning effect of methionine and vitamin B₁₂ in growth stimulation by antibiotics

Beyond the paired-catchment approach : isotope tracing to illuminate stocks, flows, transit time, and scaling

Transforming STEM Education and Empowering STEM Educators Through Collaborative Learning: Co-creating Critical Identities through Social Justice and Culturally Sustaining Pedagogies

Investigating the effects of temperature on secondary metabolism in Vitis vinifera L. cv. merlot berries

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