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2 references
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- Vol 2 RE: Chapter 9
claim-evidence-reasoning frameworkscientific explanationsevidence-based reasoningdisciplinary argumentationexplanation constructioninstructional scaffoldingpeer discussionscience talkBook Evidence summaryAt a glance
McNeill and Krajcik provide a practical framework for helping middle-grade students construct scientific explanations in speech and writing. An explanation contains a claim that answers a question, evidence drawn from appropriate data, and reasoning that uses scientific principles to show why the evidence supports the claim.
Key ideas
The book explains why each component is difficult for learners and how expectations can become more sophisticated across grades and content areas. Classroom examples, student work, rubrics, and teaching tools illustrate modelling, critique, peer discussion, feedback, and gradual removal of scaffolds. The authors distinguish explanation from description and from argument while showing how the practices overlap. They also emphasise equitable participation and the need to make disciplinary norms explicit rather than assuming students already understand them.
Why it matters
For teachers, CER is not simply a three-part writing template: its value comes from selecting meaningful phenomena and data, teaching relevant science ideas, and pressing students to connect evidence to claims through defensible reasoning.
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- Vol 3 RE: Chapters 5, 9
argumentation-based learningcomputer-supported collaborationargumentative discourseknowledge constructioncollaboration scriptsinstructional scaffoldingtransactive discussiondigital learning environmentsJournal article Evidence summaryAt a glance
Noroozi and colleagues synthesize fifteen years of research on argumentation-based computer-supported collaborative learning.
Key ideas
Their review organizes conceptual and empirical work on how digital environments can support learners in constructing, exchanging, challenging, and integrating arguments while solving problems together. The authors examine learning processes, instructional design features, and outcomes, including knowledge construction, subject learning, problem solving, and quality of argumentative discourse. They distinguish supports such as representational tools, collaboration scripts, prompts, and scaffolds, and consider how these shape participation and transactive discussion. The synthesis finds substantial promise but also variation in theory, measures, tasks, and implementation, making direct comparisons difficult.
Why it matters
It concludes with design and research priorities for connecting technological affordances to specific argumentative processes and for testing whether gains transfer beyond a supported activity.
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Edition abbreviations
- TE
- Teacher Edition
- PE
- Practice Edition
- RE
- Research Edition
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