Emily R. Barker

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The Walden's Paths project is developing tools to facilitate the inclusion of Web-based materials in classroom education. It currently includes components to create, present and manage paths that recontextualize information on the Web. In this paper we present the Quiz Engine, a full-featured online testing system that extends the repertoire of our tools to(More)
Reward-based learning can easily be applied to real life with a prevalence in children teaching methods. It also allows machines and software agents to automatically determine the ideal behavior from a simple reward feedback (e.g., encouragement) to maximize their performance. Advancements in affective computing, especially emotional speech processing (ESP)(More)
The field of biologically inspired technology has evolved to the emergence of robots that operate autonomously. Some studies have focused on developing social robots that interact with humans by following social behaviors where other research have centered their efforts on mobile robots with the ability to navigate in their well-known environment. These(More)
OBJECTIVE This study aimed to determine if and to what extent (i) socioeconomic disparities exist in the health-related quality of life (QOL) of children with cancer or brain tumors and healthy children; and (ii) family functioning and burden mediate the relationship between socioeconomic status and children's QOL. METHODS In this cross-sectional study,(More)
Cover photo by the Wisconsin Department of Natural Resources (Flickr user widnr). Used under a Creative Commons license. INTRODUCTION Photo by Flickr user James Hill (james_michael_hill). Used under a Creative Commons license. 5 In agriculture, policy makers, analysts and researchers often use a set of indicators to assess whether a farming system, or new(More)
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