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Portraits of Middle School Students Constructing Evidence-Based Arguments during Problem-Based Learning: The Impact of Computer-Based Scaffolds
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Belland, Brian R. – Educational Technology Research and Development, 2010
A critical step in problem-based learning (PBL) units occurs when groups present their solution to the central problem. This is challenging for middle school students because it involves the creation of an evidence-based argument (Krajcik et al., "Journal of the Learning Sciences" 7:313-350, 1998). Using a mixed method design, this study…
Descriptors: Middle School Students, Persuasive Discourse, Problem Based Learning, Student Improvement
The Effect of Computer-Mediated Collaborative Learning on Solving Ill-Defined Problems.
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Uribe, Daniel; Klein, James D.; Sullivan, Howard – Educational Technology Research and Development, 2003
Discusses problem solving, problem-based learning, and collaborative learning, and describes a university study that investigated the effects of individual Web-based learning versus computer-mediated collaborative Web-based learning and ability grouping on learner performance in solving ill-defined problems. Considers time on task, participant…
Descriptors: Ability Grouping, Academic Achievement, Computer Mediated Communication, Higher Education