The proceedings for the annual conference of the International Group for the Psychology of Mathematics Education (PME) include the following papers: "Intervention in a Mathematics Course at the College Level" (L. Gattuso & R. Lacasse); "The Education of Talented Children" (F. Genzwein); "The Development of a Model for Competence in Mathematical Problem Solving Based on Systems of Cognitive Representation" (G.A. Goldin); "Pilot Work on Secondary Level" (M. Halmos); "On the Textual and the Semantic Structure of Mapping Rule and Multiplicative Compare Problems" (G. Harel, T. Post, & M. Behr); "Forging the Link between Practical and Formal Mathematics" (K.M. Hart & A. Sinkinson); "The Kindergartners' Understanding of the Notion of Rank" (N. Herscovics & J.D. Bergeron); "Initial Research into the Understanding of Percentages" (R. Hershkowitz & T. Halevi); "Structuring and Destructuring a Solution: An Example of Problem Solving Work with the Computer" (J. Hillel, J.L. Gurtner, & C. Kieran); "Metacognition: The Role of the 'Inner Teacher'" (I. Hirayashi & K. Shigematsu); "Formalizing Intuitive Descriptions in a Parallelogram LOGO Microworld" (C. Hoyles & R. Noss); "One Mathematics Teacher" (B. Jaworski); "Learning the Structure of Algebraic Expressions and Equations" (C. Kieran); "The Influence of Teaching on Children's Strategies for Solving Proportional and Inversely Proportional Word Problems" (W. Kurth); "Constructing Bridges from Intrinsic to Cartesian Geometry" (C. Kynigos); "Concepts in Secondary Mathematics in Botswana" (H. Lea); "A Developmental Model of a First Level Competency in Procedural Thinking in LOGO: 'May Be We're Not Expert, But We're Competent'" (T. Lemerise); "The Naive Concept of Sets in Elementary Teachers" (L. Linchevski & S. Vinner); Concrete Introduction to Programming Languages and Observation of Piagetian Stages" (F. Lowenthal); "Cognitive and Metacognitive Shifts" (J.H. Mason & P.J. Davis); "Learning Mathematics Cooperatively with CAI" (Z. Mevarech); "Mathematical Pattern-Finding Elementary School, Focus on Pupils' Strategies and Difficulties in Problem-Solving" (N. Nohda); "The Construction of an Algebraic Concept Through Conflict" (A. Olivier); "Gender and Mathematics: The Prediction of Choice and Achievement" (W. Otten & H. Kuyper); "Teaching and Learning Methods for Problem Solving: Some Theoretical Issues and Psychological Hypotheses" (J. Rogalski & A. Robert); "Student-Sensitive Teaching at the Tertiary Level: A Case Study" (P. Rogers); "Strategy Choice in Solving Additions: Memory of Understanding of Numerical Relations" (A.D. Schliemann); "Representation of Functions and Analogies" (B. Schwarz & M. Bruckheimer); "Operational vs. Structural Method of Teaching Mathematics - Case Study" (A. Sfard); "Epistemological Remarks on Functions" (A. Sierpinska); "Formative Evaluation of a Constructivist Mathematics Teacher Inservice Program" (M.A. Simon); "Construction and Reconstruction: The Reflective Practice in Mathematics Education" (B. Southwell); "Graphical Lesson Patterns and the Process of Knowledge Development in the Mathematics Classroom" (H. Steinbring & R. Bromme); "Longer Term Conceptual Benefits from Using a Computer in Algebra Teaching" (M. Thomas & D. Tall); "The Role of Audiovisuals in Mathematics Teaching" (K. Tompa); "Specifying the Multiplier Effect on Children's Solutions of Simple Multiplication Word Problems" (L. Verschaffel, E. De Corte, & V. Van Coillie); "Is There Any Relation between Division and Multiplication?: Elementary Teachers' Ideas about Division" (S. Vinner & L. Linchevski); "The Influence of Socialization and Emotional Factors on Mathematics Achievement and Participation" (D. Visser); "Metacognition and Elementary School Mathematics" (M.A. Wolters); "The Development of the Counting Scheme of a Five Year Old Child: From Figurative to Operational" (B. Wright); "Say It's Perfect, Then Pray It's Perfect: The Early Stages of Learning about LOGO Angle" (V. Zack); and "Substitutions Leading to Reasoning" (N. Zehavi). Includes a list of author addresses. (MKR)