Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 31 for “"Dilution effect"”.
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The Effect of Nondiagnostic Information on Internal Auditor Skepticism: Capturing the Dilution Effect
… stereotypes of management, known as the dilution effect and attributed to the representativeness heuristic. Irrelevant information consistent with preconceived stereotypes does not decrease skepticism. In this experiment practicing internal auditors are provided an irrelevant description …
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Common = Ineffective? A Replication Attempt of the Normative Dilution Effect in the Context of Apologies
The normative dilution effect suggests that perceiving a behavior as normative can undermine its effectiveness, particularly in contexts where its communicative value matters. Intergroup apologies offer a compelling test case for this effect, as conveying sincere motives is key to their …
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An observational study of the austral spring statosphere : dynamics, ozone transport, and the "ozone dilution effect"
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1993.
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Locus of control and going-concern judgements : the mediating effect of nondiagnostic information and decision aid availability
… accuracy than externals. Evidence of the dilution effect was found on controlling for locus of control. Information type, decision aid availability, and locus of control interacted to influence decision accuracy. Overall, the results indicate that internals, achieve better decision …
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Topics in Heterogeneous Group Testing
… when pool responses are in fact subjected to a "dilution effect," existing regression methods can lead to inaccurate inference, especially when larger pool sizes are used.</p>
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Phosphorus and nitrogen metabolism in soybeans as influenced by potassium
The effect of K on P and N metabolism in soybean seedlings, Glycine max, Var. Dorman, was studied in two greenhouse experiments. Yield, nutrient uptake and changes in the distribution of cellular P and N compounds served as criteria for evaluating K effects. The yield increased exponentially with …
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Family Structure and Child Malnutrition in China: Three Essays
… has been lowered by One Child Policy, resource dilution effect still affects girls' nutrition status, especially for those exposed to poverty and food insecurity. Children in the care of grandparents are healthier, probably due to the generally low degree of access to obesogenic foods and a …
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The Effect of Landscape Variables on Adult Mosquito (Diptera:Culicidae)Diversity and Behavior
… in an ecosystem. One possible way is through the Dilution Effect, which states that the more species that are in a system the lower the chance for zoonosis. This project models mosquito diversity across regions, land use, and vegetation height in South-Central Florida, for the purpose of …
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The control of alkali silica reaction using blended cements
… controlling mechanism has been attributed to the dilution of the cement's alkali content and reduced mobility of ions in concrete's pore solution. In this project an attempt has been made to identify the factors which influence the relative importance of each mechanism in the overall suppression …
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Steam Cured Self-Consolidating Concrete and the Effects of Limestone Filler
The purpose of this thesis is to determine the effect and the mechanisms associated with replacing 15% of the cement by limestone filler on the mechanical properties and durability performance of self-consolidating concrete designed and cured for precast/prestressed applications. This study …
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Rheology of molten polystyrene with dissolved gases
… viscosity significantly through the chain dilution effect and the addition of free volume. Rheological measurements and theoretical modeling are presented for molten polystyrene with dissolved gases, including carbon dioxide, 1,1-difluoroethane (R152a), and 1,1,1,2- tetrafluoroethane …
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BEHAVIORAL ECOLOGY OF ORYZOMYS PALUSTRIS (MARSH RICE RAT) IN COASTAL TEXAS: IMPLICATIONS FOR THE LIFE-HISTORY STRATEGY OF BAYOU VIRUS (BAYV)
… of several robust regression techniques and The Dilution Effect. Using small mammal mark-recapture and harvest methods, specific emphases have been placed on filling research gaps in the transmission paradigm regarding: (1) the roles of breeding versus non-breeding females as potential infection …
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Effects of Excessive Soil Phosphorus Accumulation on Loblolly Pine (Pinus taeda L.) Seedlings
… growth. This study was conducted to assess the effects of excessive soil phosphorus on loblolly pine seedlings. An outdoor pot study was conducted using bare root seedlings and triple superphosphate treatments to simulate different soil P concentrations of those from poultry litter applications. …
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Influences of the internal residual on combustion instabilities in the misfire and partial burn regimes of a dilute spark-ignition engine
<p>"Dilution in spark-ignition (SI) engines can improve fuel consumption and reduce emissions; however, increased levels of dilution either from excess oxidizer or exhaust gas recirculation (EGR) causes combustion to become more strained and cycle-to-cycle variations increase. At high levels of …
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Geochemical and Isotopic Characterization of Coal Combustion Residuals: Implications for Potential Environmental Impacts
… Se, B, Sr, Mo, and V in the surface waters; the dilution effect is critical in determining the concentration of contaminants from the CCRs in surface water (both at the spill and in waterways receiving CCR effluent); recycling of trace elements (such as As) through adsorption/desorption can …
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Turbulence and transport measurements in Alcator C-Mod and comparisons with Gyrokinetic simulations
… main limitation of tokamak plasma performance. Dilution of the main-ion species was found to have a stabilizing effect on ion gyroradius scale turbulence in tokamak plasmas. Dilution of deuterium tokamak plasmas is the reduction of the ratio of the deuterium ion density to the electron density, …
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Advancements in concrete material sustainability : supplementary cementitious material development and pollutant interaction
… showed that the treatment method removed the dilution effect that occurs when using less reactive materials to substitute a portion of portland cement, but did not considerably influence mechanical properties. Therefore, zincite additions are not a good means of enhancing the utilization of …
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Software metrics for social capital in social media
… social capital. This suggests that there is a dilution effect in the usefulness of large friend networks for bridging social capital. <br/> In conclusion the problem that this research has addressed is providing a means to improve understanding of social capital in social media.
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A community modeling approach to understanding the ecology of Lyme disease
… mice. Further, management efforts will be most effective in reducing tick populations when targeting the reproductive stage of the ticks’ life cycle on deer. This said, it could take five to ten years for a reduction in tick populations to manifest. I therefore conclude that management should …
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A factorial approach to the study of alkali-silica reaction in concrete
… to be studied in addition to studying the main effect of each separate factor. The experimental work was carried out in three stages. The first and second stages comprised physical tests which involved the monitoring of expansion in the test specimens. The third stage involved chemical analysis …
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