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Understanding how children perceive and interact with teachable agents (systems where children learn through teaching a synthetic character embedded in an intelligent tutoring system) can provide insight into the effects of so-cial interaction on learning with intelligent tutoring systems. We describe results from a think-aloud study where children were… (More)

Student modeling is one of the key factors that affects automated tutoring systems in making instructional decisions. A student model is a model to predict the probability of a student making errors on given problems. A good student model that matches with student behavior patterns often provides useful information on learning task difficulty and transfer… (More)

- Noboru Matsuda, Victoria Keiser, +4 authors Kenneth R. Koedinger
- Intelligent Tutoring Systems
- 2010

The purpose of the current study is to test whether we could create a system where students can learn by teaching a live machine-learning agent, called SimStudent. SimStudent is a computer agent that interactively learns cognitive skills through its own tutored-problem solving experience. We have developed a game-like learning environment where students… (More)

- Noboru Matsuda, Kurt VanLehn
- J. Autom. Reasoning
- 2004

This study investigates a procedure for proving arithmetic-free Euclidean geometry theorems that involve construction. " Construction " means drawing additional geometric elements in the problem figure. Some geometry theorems require construction as a part of the proof. The basic idea of our construction procedure is to add only elements required for… (More)

- Noboru Matsuda, William W. Cohen, Jonathan Sewall, Gustavo Lacerda, Kenneth R. Koedinger
- User Modeling
- 2007

SimStudent is a machine-learning agent that learns cognitive skills by demonstration. It was originally developed as a building block of the Cognitive Tutor Authoring Tools (CTAT), so that the authors do not have to build a cognitive model by hand, but instead simply demonstrate solutions for SimStudent to automatically generate a cognitive model. The… (More)

We are building an intelligent authoring tool for Cognitive Tutors, a highly successful form of computer-based tutoring. The primary target users (the authors) are educators who are not familiar with cognitive task analysis and AI programming , which are essential tasks in building Cognitive Tutors. Instead of asking authors to write a cognitive model by… (More)

- Noboru Matsuda, William W. Cohen, +5 authors Gabriel Stylianides
- 2012 IEEE Fourth International Conference On…
- 2012

We have built Sim Student, a computational model of learning, and applied it as a peer learner that allows students to learn by teaching. Using Sim Student, we study the effect of tutor learning. In this paper, we discuss an empirical classroom study where we evaluated whether asking students to provide explanations for their tutoring activities facilitates… (More)

- Noboru Matsuda, Kurt VanLehn
- AIED
- 2005

Two problem solving strategies, forward chaining and backward chaining, were compared to see how they affect students' learning of geometry theorem proving with construction. In order to determine which strategy accelerates learning the most, an intelligent tutoring system, the Advanced Geometry Tutor, was developed that can teach either strategy while… (More)

- Noboru Matsuda, William W. Cohen, Jonathan Sewall, Gustavo Lacerda, Kenneth R. Koedinger
- Intelligent Tutoring Systems
- 2008

Is learning by solving problems better than learning from worked-out examples? Using a machine-learning program that learns cognitive skills from examples or by being taught, we have conducted a study to compare three learning strategies: learning by solving problems with feedback and hints from a tutor, learning by generalizing worked-out examples… (More)