Publications
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Technological Pedagogical Content Knowledge: A Framework for Teacher Knowledge
Research in the area of educational technology has often been critiqued for a lack of theoretical grounding. In this article we propose a conceptual framework for educational te...
A Universal Density Profile from Hierarchical Clustering
We use high-resolution N-body simulations to study the equilibrium density profiles of dark matter halos in hierarchically clustering universes. We find that all such profiles h...
Focal Loss for Dense Object Detection
The highest accuracy object detectors to date are based on a two-stage approach popularized by R-CNN, where a classifier is applied to a sparse set of candidate object locations...
Mass Spectrometric Sequencing of Proteins from Silver-Stained Polyacrylamide Gels
Proteins from silver-stained gels can be digested enzymatically and the resulting peptide analyzed and sequenced by mass spectrometry. Standard proteins yield the same peptide m...
A social-cognitive approach to motivation and personality.
Past work has documented and described major patterns of adaptive and maladaptive behavior: the mastery-oriented and the helpless patterns. In this article, we present a researc...
Teaching to transgress: education as the practice of freedom
Introduction: Teaching to Transgress 1. Engaged Pedagogy 2. A Revolution of Values: The Promise of Multicultural Change 3. Embracing Change: Teaching in a Multicultural World 4....
Development of an Instrument to Measure the Perceptions of Adopting an Information Technology Innovation
This paper reports on the development of an instrument designed to measure the various perceptions that an individual may have of adopting an information technology (IT) innovat...
Variable Selection via Nonconcave Penalized Likelihood and its Oracle Properties
Variable selection is fundamental to high-dimensional statistical modeling, including nonparametric regression. Many approaches in use are stepwise selection procedures, which c...