Progressor: social navigation support through open social student modeling

被引:65
作者
Hsiao, I-Han [1 ]
Bakalov, Fedor [2 ]
Brusilovsky, Peter [1 ]
Koenig-Ries, Birgitta [2 ]
机构
[1] Univ Pittsburgh, Sch Informat Sci, Pittsburgh, PA 15213 USA
[2] Univ Jena, Inst Comp Sci, Jena, Germany
基金
美国国家科学基金会;
关键词
Open student model; Visualization; Personalized e-learning; Social learning; Self-assessment; Personalized information access; Social navigation support; E-LEARNING SYSTEM;
D O I
10.1080/13614568.2013.806960
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The increased volumes of online learning content have produced two problems: how to help students to find the most appropriate resources and how to engage them in using these resources. Personalized and social learning have been suggested as potential ways to address these problems. Our work presented in this paper combines the ideas of personalized and social learning in the context of educational hypermedia. We introduce Progressor, an innovative Web-based tool based on the concepts of social navigation and open student modeling that helps students to find the most relevant resources in a large collection of parameterized self-assessment questions on Java programming. We have evaluated Progressor in a semester-long classroom study, the results of which are presented in this paper. The study confirmed the impact of personalized social navigation support provided by the system in the target context. The interface encouraged students to explore more topics attempting more questions and achieving higher success rates in answering them. A deeper analysis of the social navigation support mechanism revealed that the top students successfully led the way to discovering most relevant resources by creating clear pathways for weaker students.
引用
收藏
页码:112 / 131
页数:20
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