Poster exhibited at GPSC Student Showcase, February 24th, 2016, University of Arizona. / This study was designed to determine if high variability visual input would facilitate the development of conceptual representations of academic vocabulary for college-aged students. Students were trained on vocabulary in high- and low variability conditions. Their learning was assessed via a posttest which required them to identify both trained and novel images. Participants also rated accurate and inaccurate images on a scale of 1 to 9 (“accurate” –“inaccurate”) in order to assess their conceptual representations of the new vocabulary. Typical and learning-language disabled learners were studied in order to assess the effects of variability of input on different types of learners.

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Chow, Chi Wang. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2013. / Includes bibliographical references (leaves [81]-84). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.

Thesis (Ph.D.)--University of Delaware, 2009. / Principal faculty advisor: John Case, Dept. of Computer & Information Sciences. Includes bibliographical references.

Thesis (M.S.)--Montana State University--Bozeman, 2007. / Typescript. Chairperson, Graduate Committee: Rockford J. Ross. Includes bibliographical references (leaves 55-56).

Thesis (M.A.)--Carleton University, 1992. / Also available in electronic format on the Internet.

It has been proposed that for ecotourism to be the sustainable response to mass tourism, it should not only support local communities and their environments but also educate visitors. This study aimed to understand visitors' perceptions of personal impacts, including personal learning, in an ecotourism setting and why these impacts differed between visitors. To fully comprehend the nature of personal impacts, I took a primarily qualitative approach, using participant observation and a series of survey questionnaires. This study reveals that the visitor's construction of personal meaning is achieved through the interaction between the visitor's prior knowledge, quality social interaction on the tour and the fulfillment of the desire for an 'authentic' experience. With this finding, I suggest considering learning in an ecotourism setting as personal change and provide practical suggestions for encouraging all visitors to achieve personal understanding. / Master of Science

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Both the learning model and the learning process of CSPL are customized to different query instances. CSPL can make use of the characteristics of the query instance to explore a focused hypothesis space effectively during classification. Unlike many existing learning methods, CSPL conducts learning from specific to general, effectively avoiding the horizon effect. Empirical investigation demonstrates that learning from specific to general can discover more useful patterns for learning. Experimental results on benchmark data sets and real-world problems demonstrate that our CSPL framework has a prominent learning performance in comparison with existing learning rnethods. / CSPL integrates the attributes and instances in a query matrix model under customized learning framework. Within this query matrix model, it can be demonstrated that attributes and instances have a useful symmetry property for learning. This symmetry property leads to a solution for counteracting the negative factor of sparse instances with the abundance of attribute information, which was previously viewed as a kind of dimension curse for common learning methods. Given this symmetry property, we propose to use support patterns as the basic learning unit of CSPL, i.e., the patterns to be explored. Generally, a support pattern can be viewed as a sub-matrix of the query matrix, considering its associated support instances and attribute values. CSPL discovers useful support patterns and combines their statistics for classifying unseen instances. / The developing of machine learning techniques still has a number of challenges. Real world problems often require a more flexible and dynamic learning method, which is customized to the learning scenario and user demand. For example, it is quite often in real-world applications to make a critical decision with only limited data but huge amount of potentially relevant attributes. Therefore, we propose a novel customized learning framework called Customized Support Pattern Learner (CSPL), which exploits a tradeoff between instance-based learning and attribute-based learning. / Han Yiqiu. / "October 2005." / Adviser: Wai Lam. / Source: Dissertation Abstracts International, Volume: 67-07, Section: B, page: 3898. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references (p. 99-104). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. [Ann Arbor, MI] : ProQuest Information and Learning, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstract in English and Chinese. / School code: 1307.

Huang Kaizhu. / "July 2004." / Thesis (Ph.D.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references (p. 176-194) / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. Ann Arbor, MI : ProQuest Information and Learning Company, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.