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Coordinating Multiple Representations in a Reform Calculus Textbook
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Chang, Briana L.; Cromley, Jennifer G.; Tran, Nhi – International Journal of Science and Mathematics Education, 2016
Coordination of multiple representations (CMR) is widely recognized as a critical skill in mathematics and is frequently demanded in reform calculus textbooks. However, little is known about the prevalence of coordination tasks in such textbooks. We coded 707 instances of CMR in a widely used reform calculus textbook and analyzed the distributions…
Descriptors: Calculus, Textbooks, Teaching Methods, Mathematics Instruction
Coordinating Multiple Representations in a Reform Calculus Textbook
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Chang, Briana L.; Cromley, Jennifer G.; Tran, Nhi – Grantee Submission, 2015
Coordination of multiple representations (CMR) is widely recognized as a critical skill in mathematics and is frequently demanded in reform calculus textbooks. However, little is known about the prevalence of coordination tasks in such textbooks. We coded 707 instances of CMR in a widely used reform calculus textbook and analyzed the distributions…
Descriptors: Calculus, Textbooks, Teaching Methods, Mathematics Instruction
An Analysis of Grade 11 Learners' Levels of Understanding of Functions in Terms of APOS Theory
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Chimhande, Tinoda; Naidoo, Ana; Stols, Gerrit – Africa Education Review, 2017
This article reports on a study of six Grade 11 learners' levels of understanding of concepts related to the function definition and representation. Task-based clinical interviews were used to elicit the learners' interpretations and reasoning when working with these function-related concepts. Indicators for Action-Process-Object-Schema (APOS)…
Descriptors: Grade 11, Mathematics Instruction, Mathematical Concepts, Case Studies
Analysis of the Relevance of Posts in Asynchronous Discussions
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Azevedo, Breno T.; Reategui, Eliseo; Behar, Patrícia A. – Interdisciplinary Journal of E-Learning and Learning Objects, 2014
This paper presents ForumMiner, a tool for the automatic analysis of students' posts in asynchronous discussions. ForumMiner uses a text mining system to extract graphs from texts that are given to students as a basis for their discussion. These graphs contain the most relevant terms found in the texts, as well as the relationships between them.…
Descriptors: Asynchronous Communication, Computer Mediated Communication, Content Analysis, Graphs
Defining Information--II. A Quantitative Evaluation of the Information Content of Documents.
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Hoffmann, Eliahu – Information Processing and Management, 1982
This analysis of information contents of documents (i.e., network of nodes which represent facts reported therein and their conceptual interconnections) yields a method for quantitative measurement of such content. Basic premises, calculation, salient features of the method, and information theories are discussed. Four references, graphic…
Descriptors: Content Analysis, Data, Equations (Mathematics), Graphs