Publications
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Inclined Dislocation-Pair Relaxation Mechanism in Homoepitaxial Green GaInN/GaN Light-Emitting Diodes
The creation of symmetrical pairs of inclined dislocations was observed in the GaInN/GaN quantum wells (QWs) of c-axis grown green light-emitting diodes (LEDs) on low-defect density bulk GaN substrate, but not…
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Meeting Student Challenges to Innovative Instruction with Improved Assessment Techniques
Presentation of an R&D project focused on the assessment of project-based learning involving community college instructors, and engagement in some of the reflection activities that helped instructors identify and measure…
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Design Pattern On Model Use In Interdependence Among Living Systems (Large-Scale Assessment Technical Report 13)
The report outlines the key elements of the design pattern, describes the design pattern development process, and illustrates with examples how the design pattern supports storyboard and item design for…
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Fast likelihood computation using hierarchical Gaussian shortlists
We investigate the use of hierarchical Gaussian shortlists to speed up Gaussian likelihood computation.
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Indirect Validation of Tropospheric Nitrogen Dioxide Retrieved from the OMI Satellite Instrument: Insight Into the Seasonal Variation of Nitrogen Oxides at Northern Midlatitudes
We examine the seasonal variation in lower tropospheric nitrogen oxides at northern midlatitudes by evaluating tropospheric NO2 columns observed from the Ozone Monitoring Instrument.
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The Damage Mechanism Route to Better Armor Materials
This paper describes the mechanisms by which brittle materials are penetrated by impacting projectiles, links ballistic performance to fracture behavior, and in turn to microstructure, and suggests a route unexplored…
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Using Knowledge about How People Learn to Define Learning Goals
How well are college general education classes preparing students to apply big ideas to real-world problems? What are the major steps of domain-specific assessment design? Presented at Innovations 2010.
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Callosal Degradation in HIV-1 Infection Predicts Hierarchical Perception: a DTI Study
We tested whether HIV-related callosal white matter degradation contributes to disruption of selective lateralized visuospatial and attention processes.
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Climate Literacy in an Informal Setting
Who We Are: Project Background and Partners • InnovaTE³: Mission, Goals, Curriculum, Participants • STEM Continuum Programming • Strategies for Building Relationships • Youth Development Approach • Evaluation • Successes…
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Effect of Various Coal Gas Contaminants on the Performance of Solid Oxide Fuel Cells: Part III. Synergistic Effects
The present work presents the results of a study of the synergistic effects of four contaminants of major concern—S, As, P, and Cl, at the ppm level and in combinations…
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Leveraging Evidence-Centered Design In Large-Scale Test Development (Large-Scale Assessment Technical Report 4)
This brief on Early Warning Systems is the first in a series of briefs being released this fall with key findings about these high school improvement strategies.
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On the use of speaker superfactors for speaker recognition
We propose a new JFA scoring method that is both symmetrical and efficient.