HERON

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Definitions

Another method for representing story problems is provided by HERON (Reusser, 1993), a computer-based tool that used solution trees to conceptualize the structure of mathematical problem solving. Like these other tools, the tree model in HERON is designed to directly mediate the translation of the problem text into an equation without the use of a structural or situational model of the problem. HERONuses a graphical solution (conceptual planning) tree to represent the operation required to solve the problem.

From David H. Jonassen in the text Designing Research-Based Instruction for Story Problems (2003)

Another method for representing story problems is provided by HERON (Reusser, 1993), a computer-based tool that used solution trees to conceptualize the structure of mathematical problem solving. Like these other tools, the tree model in HERON is designed to directly mediate the translation of the problem text into an equation without the use of a structural or situational model of the problem. HERON uses a graphical solution (conceptual planning) tree to represent the operation required to solve the problem.

From David H. Jonassen in the text Designing Research-Based Instruction for Story Problems (2003)

Comments

The solution trees, Reusser (1993) argues, are manipulable, dynamic, and flexible means for illustrating the construction process. The objects in HERON solution trees are excellent examples of set schemas arranged to represent the process for solving the problem but not the structural relationships or situation depicted in the problem.

From David H. Jonassen in the text Designing Research-Based Instruction for Story Problems (2003)

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7 References

Designing Research-Based Instruction for Story Problems (David H. Jonassen)
From Cognitive Modelling to the Design of Pedagogical Tools (Kurt Reusser)
HERON - Ein adaptives tutorielles System zum Lösen mathematischer Textaufgaben (Alexander Kämpfer, Kurt Reusser, Ruedi Stüssi) (1990)
From Text to Situation to Equation - Cognitive Simulation of Understanding and Solving Mathematical Word Problems (Kurt Reusser) (1990)
Kognitive Modellierung von Text-, Situations- und matematischem Verständnis beim Lösen von Textaufgaben (Kurt Reusser) (1992)
Computers as Cognitive Tools (Susanne Lajoie, Sharon Derry) (1993)
- 5. Tutoring Systems and Pedagogical Theory - Representational Tools for Understanding, Planning, and Reflection in Problem Solving (Kurt Reusser)
Designing Research-Based Instruction for Story Problems (David H. Jonassen) (2003)