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McNeill, Katherine L.; Krajcik, Joseph – Journal of the Learning Sciences, 2009
We investigated how 2 different curricular scaffolds (context-specific vs. generic), teacher instructional practices, and the interaction between these 2 types of support influenced students' learning of science content and their ability to write scientific arguments to explain phenomena. The context-specific scaffolds provided students with hints…
Descriptors: Chemistry, Teaching Methods, Scaffolding (Teaching Technique), Writing Instruction
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McNeill, Katherine L.; Lizotte, David J.; Krajcik, Joseph; Marx, Ronald W. – Journal of the Learning Sciences, 2006
The purpose of this study was to determine whether providing students with continuous written instructional support or fading written instructional support (scaffolds) better prepares students to construct scientific explanations when they are no longer provided with support. This article investigated the influence of scaffolding on 331…
Descriptors: Instructional Materials, Scaffolding (Teaching Technique), Grade 7, Chemistry
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Fishman, Barry; Marx, Ronald W.; Blumenfeld, Phyllis; Krajcik, Joseph; Soloway, Elliot – Journal of the Learning Sciences, 2004
This article examines why cognitively oriented technology innovations, designed to foster deep thinking and learning, have not become widespread in K-12 schools. We argue a key reason is that most design-based research does not explicitly address systemic issues of usability, scalability and sustainability. This limitation must be overcome if…
Descriptors: Educational Research, Educational Technology, Thinking Skills, Cognitive Processes
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Quintana, Chris; Reiser, Brian J.; Davis, Elizabeth A.; Krajcik, Joseph; Fretz, Eric; Duncan, Ravit Golan; Kyza, Eleni; Edelson, Daniel; Soloway, Elliot – Journal of the Learning Sciences, 2004
The notion of scaffolding learners to help them succeed in solving problems otherwise too difficult for them is an important idea that has extended into the design of scaffolded software tools for learners. However, although there is a growing body of work on scaffolded tools, scaffold design, and the impact of scaffolding, the field has not yet…
Descriptors: Inquiry, Computer Software, Scaffolding (Teaching Technique), Science Education
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Wallace, Raven McCrory; Kupperman, Jeff; Krajcik, Joseph; Soloway, Elliot – Journal of the Learning Sciences, 2000
Observes students in 6th grade science classes as they use the Web to carry out an inquiry-based assignment. Explores their understanding and enactment of the assignment to do research on the Web. (Author/CCM)
Descriptors: Class Activities, Grade 6, Inquiry, Intermediate Grades
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Krajcik, Joseph; Blumenfeld, Phyllis C.; Marx, Ronald W.; Bass, Kristin M.; Fredricks, Jennifer; Soloway, Elliot – Journal of the Learning Sciences, 1998
Inquiry is an essential component of science learning. Eight case studies of students as they designed and carried out their own investigations during two projects showed that middle school students were thoughtful in designing investigations and planning procedures. Areas of weakness included failure to focus on scientific questions and to…
Descriptors: Case Studies, Middle Schools, Problem Solving, Scientific Methodology