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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Tracing the Evolution of Pedagogical Content Knowledge as the Development of Interanimated Discourses
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Seymour, Jennifer R.; Lehrer, Richard – Journal of the Learning Sciences, 2006
For this article, the development of 1 teacher's pedagogical content knowledge (Shulman, 1986) was tracked longitudinally across 2 years as she taught a new instructional unit in middle school mathematics. Growth in pedagogical content knowledge is characterized as the interanimation of 2 Discourses (Gee, 1999). One Discourse refers to…
Descriptors: Pedagogical Content Knowledge, Student Development, Heuristics, Mathematics Instruction
Reflective Teaching of Logo.
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Lehrer, Richard; Lee, Mihwa; Jeong, Allan – Journal of the Learning Sciences, 1999
Assesses the cognitive consequences of reflective teaching practices compared to inquiry teaching practices on the acquisition and transfer of LOGO computer programming for 2nd- and 5th-grade students. Finds that children that participated in the reflective context developed beliefs about programming practices that were tightly coupled with their…
Descriptors: Cognitive Development, Elementary Education, Grade 2, Grade 5
The Evolution of Critical Standards as Students Design Hypermedia Documents.
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Erickson, Julie; Lehrer, Richard – Journal of the Learning Sciences, 1998
Describes a two-year design experiment in which sixth and seventh grade students designed hypermedia documents to be used by their classmates. Consensual patterns of students beliefs emerged. Presents information on how teachers assisted with the longitudinal transitions in students' critical standards for judging research questions and evaluating…
Descriptors: Action Research, Design Requirements, Elementary Education, Grade 6
From Physical Models to Biomechanics: A Design-Based Modeling Approach.
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Penner, David E.; Schauble, Leona; Lehrer, Richard – Journal of the Learning Sciences, 1998
A design context for developing children's understanding of the natural world via designing, building, testing, and evaluation of models was studied. Children were asked to design models of human elbows which provided opportunities to develop their understanding of the relations between mathematics and science through the construction and…
Descriptors: Elementary Education, Mathematical Concepts, Mathematics Education, Models