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dc.contributor.authorShe, Hsiao-Chingen_US
dc.contributor.authorCheng, Meng-Tzuen_US
dc.contributor.authorLi, Ta-Weien_US
dc.contributor.authorWang, Chia-Yuen_US
dc.contributor.authorChiu, Hsin-Tienen_US
dc.contributor.authorLee, Pei-Zonen_US
dc.contributor.authorChou, Wen-Chien_US
dc.contributor.authorChuang, Ming-Huaen_US
dc.description.abstractThis study investigates the effect of Web-based Chemistry Problem-Solving, with the attributes of Web-searching and problem-solving scaffolds, on undergraduate students' problem-solving task performance. In addition, the nature and extent of Web-searching strategies students used and its correlation with task performance and domain knowledge also were examined. We recruited a total of 183 undergraduate students, all of whom are taking the freshman chemistry course, to participate in the study to solve three chemistry tasks across a semester. Mandated screen-capture software captured participants' on-screen Web-searching processes were recorded every five seconds. Results demonstrated that students' problem-solving performance was significantly improved from task 1 to 3, and students with more domain knowledge outperformed students with less domain knowledge. Students with higher problem-solving performance employed more existing knowledge and metacognitive Web-searching strategies; and students with lower problem-solving performance employed more cognitive Web-searching strategies. In addition, students' problem-solving performance was correlated with their domain knowledge, use of existing knowledge, and metacognitive Web-searching strategies. Moreover, students' use of existing knowledge was the major factor for predicting their problem-solving performance according to the regression model. (C) 2012 Elsevier Ltd. All rights reserved.en_US
dc.subjectApplications in subject areasen_US
dc.subjectPost-secondary educationen_US
dc.subjectTeaching/learning strategiesen_US
dc.titleWeb-based undergraduate chemistry problem-solving: The interplay of task performance, domain knowledge and web-searching strategiesen_US
dc.identifier.journalCOMPUTERS & EDUCATIONen_US
dc.contributor.departmentInstitute of Educationen_US
dc.contributor.departmentDepartment of Applied Chemistryen_US
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