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Digital Storytelling in ESL Instruction: Identity Negotiation through a Pedagogy of Multiliteracies
This qualitative descriptive exploratory study investigated how a pedagogy of multiliteracies can be introduced to the ESL curriculum using digital stories and explored the ways ESL learners negotiate their identities ...
Central Tolerance Regions and Reference Regions for Some Normal Populations
A reference interval represents a range of values that a physician can use in order to interpret a single test result from a patient. A 95% reference interval is simply the interval from the 2.5th to the 97.5th percentiles ...
Effect of Parity on Boundedness of Orbits in Lotka-Volterra Food Chains
Hairston, Slobodkin, and Smith (HSS) conjectured that top-down forces act on food chains with three trophic levels, which opposed the previously accepted theory that bottom-up forces dictate the dynamics of populations. ...
Dynamic Portfolio Optimization using Sequential Quadratic Programming
In Financial Mathematics, classical Markowitz Portfolio theory provides a strategy for optimizing return on a portfolio by considering only the mean and variance of returns. However, recent theoretical and empirical studies ...
Efficient Time Integration Methods for Stiff Stochastic Dynamical Systems
Dynamic systems that consist of multiple time scales where the faster time scales are stable are said to be stiff. Stiff systems pose particular challenges when it comes to numerical methods of simulation that advance the ...
Dose-Response Modeling For Continuous Responses When Variance Is Not A Power Of The Mean
In the context of modeling dose-response data for continuous outcomes, a common procedure is to summarize the data based on sample means and sample variances, and fit a suitable model for the means, ?(d)
Modeling and Simulation of Groundwater Flow and Contaminant Transport in a Cross-Section of the Delmarva Peninsula
Excess nitrogen from agricultural activity on the Delmarva Peninsula contributes to impairment of Chesapeake Bay. Most of the region's nitrogen load is transported to streams by groundwater. Therefore, quantifying dynamics ...
Stiatistical Issues in Meta-Analysis
In statistical meta-analysis paradigm dealing with the techniques of pooling of evidence across several studies, the notion of effect size is fundamental and it is necessary to perform appropriate tests for the equality ...
Tau leap methods for stiff stochastic chemical systems
Tau leap methods enable efficient simulation of stochastic chemical systems. We develop new tau leap methods that consider the following issues: stiffness, fluid limit, integer-valued states, nonnegative states, and ...
The Use of Classification Trees to Determine Criteria Leading to a Total Joint Replacement Recommendation for Patients with Knee or Hip Osteoarthritis
There is a need for a nonacceptable symptom state to indicate when a patient with knee or hip osteoarthritis exhibits symptoms severe enough to warrant total joint replacement (TJR). A previous study using logistic ...