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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

Showing all 6 results
Developing Norms of Argumentation: Metacognitive, Epistemological, and Social Dimensions of Developing Argumentive Competence
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Kuhn, Deanna; Zillmer, Nicole; Crowell, Amanda; Zavala, Julia – Cognition and Instruction, 2013
We examine how extended engagement in argumentation with peers leads to enhanced metalevel understanding of argumentive discourse. Following such engagement, young adolescents demonstrated enhanced understanding of counterargument and use of evidence as objectives of skilled argumentation, relative to a nonparticipating comparison group. Among the…
Descriptors: Persuasive Discourse, Metacognition, Peer Relationship, Early Adolescents
Supporting Students' Constructions of the Splitting Operation
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Norton, Anderson; Wilkins, Jesse L. M. – Cognition and Instruction, 2013
Previous research has demonstrated the effectiveness of particular instructional practices that support students' constructions of the partitive unit fraction scheme and measurement concepts for fractions. Another body of research has demonstrated the power of a particular mental operation--the splitting operation--in supporting students'…
Descriptors: Teaching Methods, Grade 6, Grade 7, Algebra
Investigating Links from Teacher Knowledge, to Classroom Practice, to Student Learning in the Instructional System of the Middle-School Mathematics Classroom
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Shechtman, Nicole; Roschelle, Jeremy; Haertel, Geneva; Knudsen, Jennifer – Cognition and Instruction, 2010
Using data collected in 125 seventh-grade and 56 eighth-grade Texas classrooms in the context of the "Scaling Up SimCalc" research project in 2005-07, we examined relationships between teachers' mathematics knowledge, teachers' classroom decision making, and student achievement outcomes on topics of rate, proportionality, and linear…
Descriptors: Mathematics Instruction, Mathematics Curriculum, Teacher Characteristics, Decision Making
How Many "Decimals" Are There between Two "Fractions"? Aspects of Secondary School Students' Understanding of Rational Numbers and Their Notation
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Vamvakoussi, Xenia; Vosniadou, Stella – Cognition and Instruction, 2010
We present an empirical study that investigated seventh-, ninth-, and eleventh-grade students' understanding of the infinity of numbers in an interval. The participants (n = 549) were asked how many (i.e., a finite or infinite number of numbers) and what type of numbers (i.e., decimals, fractions, or any type) lie between two rational numbers. The…
Descriptors: Secondary School Students, Intervals, Numbers, Mathematics
Not Everything Is Proportional: Effects of Age and Problem Type on Propensities for Overgeneralization
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Van Dooren, Wim; De Bock, Dirk; Hessels, An; Janssens, Dirk; Verschaffel, Lieven – Cognition and Instruction, 2005
Previous research (e.g., De Bock, 2002) has shown that--due to the extensive attention paid to proportional reasoning in elementary and secondary mathematics education--many students tend to overrely on proportional methods in diverse domains of mathematics (e.g., geometry, probability). We investigated the development of misapplication of…
Descriptors: Age Differences, Mathematics Education, Arithmetic, Mathematical Concepts
Knowledge Change as a Function of Mathematics Experience: All Contexts Are Not Created Equal
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McNeil, Nicole M.; Alibali, Martha W. – Journal of Cognition and Development, 2005
This study investigated how understanding of the equal sign changes as a function of experience in mathematics and variations in context. Students with different levels of mathematics experience (elementary school, seventh grade, undergraduate, and graduate) were randomly assigned to view the equal sign in one of three contexts: (a) equal sign…
Descriptors: Elementary School Students, Graduate Students, Grade 7, College Students