Proceedings of the Annual Conference of the International Group for the Psychology of Mathematics Education (13th, Paris, France, July 9-13, 1989), Volume 2 / Gerard Vergnaud, Ed., Janine Rogalski, Ed. and Michele Artique, Ed.

This proceedings of the annual conference of the International Group for the Psychology of Mathematics Education (PME) includes the following research papers: "Logo et Symetrie Centrale" (E. Gallou-Dumiel); "About Continuous Operator Subconstruct in Rational Numbers" (J. Gimenez); "Constructivist Epistemology and Discovery Learning in Mathematics" (G.A. Goldin); "Comparative Analysis of Two Arithmetic Situations" (M.G. Grossi); "Understanding and Discussing Linear Functions in Situations: A Developmental Study" (J.L. Gurtner); "Low Mathematics Achievers' Test Anxiety" (R. Hadass); "Proofs That Prove and Proofs That Explain" (G. Hanna); "Fishbein's Theory: A Further Consideration" (G. Harel, M. Behr, T. Post, & R. Lesh); "They're Useful: Children's View of Concrete Materials" (K. Hart & A. Sinkinson); "Children's Individuality in Solving Fraction Problems" (K. Hasemann); "Aspects of Declarative Knowledge on Control Structures" (K. Haussmann & M. Reiss); "A Conceptual Analysis of the Notion of Length and Its Measure" (B. Heraud); "The Kindergartners' Understanding of Cardinal Number: An International Study" (N. Herscovics & J.C. Bergeron); "Learning about Isosceles Triangles" (J. Hillel); "Construction of Functions, Contradiction and Proof" (F. Hitt); "A Logo-Based Microworld for Ratio and Proportion" (C. Hoyles, R. Noss, & R. Sutherland); "The Facilitating Role of Table Forms in Solving Algebra Speed Problems: Real or Imaginary?" (R. Hoz & G. Harel); "The Learning of Plane Isometries from the Viewpoint of the Van Hiele Model" (A. Jaime & A. Gutierrez);"Representation and Contextualization" (C. Janvier); "To Inculcate versus to Elicit Knowledge" (B. Jaworski); "Van Hiele Levels and the Solo Taxonomy" (M. Jurdak); "A Perspective on Algebraic Thinking" (C. Kieran); "A Structural Conceptual Model for Investigating Some Cognitive Aspects of Problem-Solving" (N. Krumholtz); "The Effect of Setting and Numerical Content on the Difficulty of Ratio Tasks" (D. Kuchemann); "Satisfaction and Regret about the Choice of Math" (H. Kuyper & W. Otten); "Intrinsic versus Euclidean Geometry: Is the Distinction Important to Children Learning with the Turtle?" (C. Kynigos); "Mathophobia: A Classroom Intervention at the College Level" (R. Lacasse & L. Gattuso); "Le Micro-Ordinateur, outil de Revelation et d'Analyse de Procedures dans de Courtes Demonstrations de Geometrie" (A. Larher & R. Gras); "Gender Differences in Mathematics Learning Revisited" (G.C. Leder); "La Resolution de Problemes dans l'Enseignement des Mathematiques: Compte Rendu d'une Experience aupres d'Enseignants du Primaire" (G. Lemoyne & F. Conne); "Strategies Used by 'Adders' in Proportional Reasoning" (F.L. Lin); "Canonical Representations of Fractions as Cognitive Obstacles in Elementary Teachers" (L. Linchevsky & S. Vinner); "Using Concept Maps to Explore Students' Understanding in Geometry" (H. Mansfield & J. Happs); "Mental Images: Some Problems Related to the Development of Solids" (M.A. Mariotti); "The Role of the Figure in Students' Concepts of Geometric Proof" (W.G. Martin & G. Harel); "The Inner Teacher, The Didactic Tension, and Shifts of Attention" (J.H. Mason & P.J. Davis); "Lecture et Construction de Diagrammes en Batons dans le Premier Cycle de l'Enseignement Secondaire Francais" (S. Maury, M. Janvier, & J. Baille); "Cooperative Group Learning of Geometric Proof Construction: A Classroom Assessment" (L. MacRae & B. Harrison); "Comparing Experts' and Novices' Affective Reactions to Mathematical Problem Solving: An Exploratory Study" (D. McLeod, W. Metzger, & C. Craviotto); and "The Development of Children's Concepts of Angle" (M.C. Mitchelmore). (MKR)

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