In this article, the authors first indicate range of purposes and variety settings in which design experiments have been conducted then delineate five crosscutting features that collectively differentiate from other methodologies. Design both a pragmatic bent—“engineering” particular forms learning—and theoretical orientation—developing domain-specific theories by systematically studying those learning means supporting them. The clarify what is involved preparing for carrying out experiment,...

Abstract Although the core work of science is oriented toward constructing, revising, applying, and defending models natural world, appear only rarely in school science, usually as illustrations, rather than theory building tools. We describe rationale structure for a learning progression to understand development modeling under supportive forms instruction. In this case, elementary middle students are “big ideas” life sciences that hold promise serving conceptual foundation reasoning about...

This design study tracks the development of student thinking about natural variation as late elementary grade students learned distribution in context modeling plant growth at population level. The data-modeling approach assisted children coordinating their understanding particular cases with an evolving notion data aggregate cases. Students to “read” shapes distributions signatures prospective mechanisms and conducted sampling investigations represent repeated growth. These investigations,...

As befitting a treatise on design research, this volume steers course between the pragmatics of formulating and conducting one hand, other, ensemble theo...

Abstract There is now a significant research literature devoted to reconceptualizing scientific activities, such as modeling, explanation, and argumentation, realize vision of science‐as‐practice in classrooms. As yet, however, not all practices have received equal attention. Planning Carrying out Investigations one the eight identified Next Generation Science Standards, there long line from both psychological science education traditions that addresses topics about investigation, generation...

Abstract Elementary students' reasoning about data modeling is explored by conducting two design experiments. In the first experiment, a class of fifth-grade students worked in six different teams to develop hypermedia documents Colonial America. Students compared lifestyles colonists with their own lifestyles. To this end, 10 "data analysts" developed survey, collected and coded data, used dynamic notations computer-based tool, Tabletop (Hancock, Kaput, & Goldsmith, 1992), examine patterns...

Previous work suggests that children largely perceive science as the passive observation and recording of events. In contrast, studies practicing scientists show a concern with building testing models. this study we investigated role design context for developing children's understanding construction revision Grade 1–2 were given task model works like human elbow. Via discussion, building, evaluation, revision, came to understand not only motion but also constraints on important qualities...

(2003). Structuring Error and Experimental Variation as Distribution in the Fourth Grade. Mathematical Thinking Learning: Vol. 5, No. 2-3, pp. 131-156.

In this study, we used a design context for developing children's understanding of the natural world via designing, building, testing, and evaluation models. instance, asked children to models human elbow. Children's were then as basis an exploration biomechanics arm. The investigation biomechanical principles is major extension our earlier research. By building on design-based models, able engage students in relation between force location attachment point biceps. so doing, provide with...

(2003). Models and Modeling Perspectives on the Development of Students Teachers. Mathematical Thinking Learning: Vol. 5, No. 2-3, pp. 109-129.

AbstractEducational research emphasizing constructivist perspectives and the role of integrated technologies is converging on value students actively designing knowledge, particularly in context media presentations for real audiences. To date, little documented progress has been made this area because significant assessment problems involved evaluating complex high-level skills across large groups engaged a wide range activities over long period time. We have used cognitive techniques to...

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This article addresses the problem of designing classroom settings where students have opportunity to generate knowledge in a manner consistent with epistemic foundations discipline. Because are complex ecologies, successful design requires working model how components design-including tasks, inscriptions, material means, and forms argument-function promote development. These ideas illustrated an extended program research oriented toward introducing children modeling, form knowing...