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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
A Scaffolding Framework to Support the Construction of Evidence-Based Arguments among Middle School Students
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Belland, Brian R.; Glazewski, Krista D.; Richardson, Jennifer C. – Educational Technology Research and Development, 2008
Problem-based learning (PBL) is an instructional approach in which students in small groups engage in an authentic, ill-structured problem, and must (1) define, generate and pursue learning issues to understand the problem, (2) develop a possible solution, (3) provide evidence to support their solution, and (4) present their solution and the…
Descriptors: Middle School Students, Problem Based Learning, Scaffolding (Teaching Technique), Models