Neil T. Heffernan

Addressing the Testing Challenge with a Web-Based E- Assessment System that Tutors as it Assesses (2009)

Mingyu Feng, Neil T. Heffernan, Kenneth R. Koedinger

Secondary teachers across the country are being asked to use formative assessment data to inform their classroom instruction. At the same time, critics of No Child Left Behind are calling the bill...

Published by license under the OCP Science imprint, a member of the Old City Publishing Group Developing Fine-Grained Transfer Models (2009)

Leena Razzaq, Neil T. Heffernan, Mingyu Feng, A. Pardos

In Massachusetts, similar to many states, teachers are being asked to use state mandated assessments in a data-driven manner to help their students meet state standards. However, teachers want...

The Assistment Builder: A Rapid Development Tool for IT (2009)

Goss Nuzzo-jones, Jason A. Walonoski, Neil T. Heffernan, Tom Livak, A Luengo, Lucile Vadcard, ...

Adaptive and intelligent Web-based educational systems (AIWBES) provide an alternative to the traditional “just-put-it-on-the-Web ” approach in the development of Web-based educational. AIWBES...

Towards Live Informing and Automatic Analyzing of Student Learning: Reporting in ASSISTment System (2009)

Mingyu Feng, Neil T. Heffernan

Limited classroom time available in middle school mathematics classes forces teachers to choose between assisting students ’ development and assessing students ’ abilities. To help teachers make...

NCME’07 paper Assessing Students ’ Performance Longitudinally: Item Difficulty Parameter vs. Skill Learning Tracking Objective (2009)

Mingyu Feng, Neil T. Heffernan

Most large standardized tests (like the math-subtest of the Graduate Record Examination (GRE)) analyzed with Item Response Theory are “unidimensional ” in that they are analyzed as if all the...

Photocopying permitted by license only a member of the Old City Publishing Group Informing Teachers Live about Student Learning: Reporting in the Assistment System (2008)

Mingyu Feng, Neil T. Heffernan

Limited classroom time available in middle school mathematics classes forces teachers to choose between assisting students ’ development and assessing students ’ abilities. To help teachers make...

Data Mining, 2005. Looking for Sources of Error in Predicting Student’s Knowledge (2008)

Mingyu Feng, Neil T. Heffernan, Kenneth R. Koedinger

Recent research has focused on detecting the “gaming” behavior of students while using an intelligent tutoring system. For instance, Baker, Corbett & Koedinger (2004) reported detecting...

A Web-based Authoring Tool for Intelligent Tutors: Blending Assessment and Instructional Assistance (2008)

Leena Razzaq, Mingyu Feng, Neil T. Heffernan, Kenneth R. Koedinger, Brian Junker, Goss Nuzzo-jones, ...

Middle school mathematics teachers are often forced to choose between assisting students ’ development and assessing students ’ abilities because of limited classroom time available. To help...

1. “List of all participants ’ names, affiliations, and mailing addresses. ” Check for accuracy. (2008)

Organizer Brian, W. Junker, Moderator Kenneth, R. Koedinger, Valerie J. Shute, ...

2. “500-word summary of the topic and organizational structure of the session. The summary should make clear the distinctions between the positions taken by each presenter. In addition, type or...

Analyzing Fine-Grained Skill Models Using Bayesian and Mixed Effect Methods (2008)

Zachary A. Pardos, Mingyu Feng, Neil T. Heffernan, Cristina Linquist-heffernan

Abstract. Two modelling methods were employed to answer the same research question of how accurate the various grained WPI 1, 5, 39 and 106 skill models are at assessing student knowledge in the...

What Level of Tutor Interaction is Best? (2008)

Leena Razzaq, Neil T. Heffernan, Robert W. Lindeman

Abstract. Razzaq and Heffernan (2006) showed that scaffolding compared to hints

2006b) Prevention of Off-Task Gaming Behavior in Intelligent Tutoring Systems (2008)

Jason A. Walonoski, Neil T. Heffernan

Abstract. A major issue in Intelligent Tutoring Systems is off-task student behavior, especially performance-based gaming, where students systematically exploit tutor behavior in order to advance...

submitted). The Effect of Model Granularity On Student Performance Prediction Using Bayesian Networks. User Modeling 2007 (2008)

Zachary A. Pardos, Neil T. Heffernan, Brigham Anderson, Cristina L Heffernan

Abstract. A standing question in the field of Intelligent Tutoring Systems and User Modeling in general is what is the appropriate level of model granularity (how many skills to model) and how is...

Knowledge Engineering for Intelligent Tutoring Systems: Assessing Semi-automatic Skill Encoding Methods (2008)

Kevin Kardian, Neil T. Heffernan

Abstract. Building a mapping between items and their related knowledge components, while difficult and time consuming, is central to the task of developing affective intelligent tutoring systems....

The Assistment Builder: A Rapid Development Tool for IT (2008)

Goss Nuzzo-jones, Jason A. Walonoski, Neil T. Heffernan, Tom Livak, A Luengo, Lucile Vadcard, ...

Adaptive and intelligent Web-based educational systems (AIWBES) provide an alternative to the traditional “just-put-it-on-the-Web ” approach in the development of Web-based educational. AIWBES...

Predicting state test scores better with intelligent tutoring systems: developing metrics to measure assistance required (2006)

Mingyu Feng, Neil T. Heffernan, Kenneth R. Koedinger

Abstract. The ASSISTment system was used by over 600 students in 2004-05 school year as part of their math class. While in [7] we reported student learning within the ASSISTment system, in this paper...

Predicting state test scores better with intelligent tutoring systems: developing metrics to measure assistance required (2006)

Mingyu Feng, Neil T. Heffernan, Kenneth R. Koedinger

Abstract. The ASSISTment system was used by over 600 students in 2004-05 school year as part of their math class. While in [7] we reported student learning within the ASSISTment system, in this paper...

Detection and Analysis of Off-Task Gaming Behavior in Intelligent Tutoring Systems (2006)

Jason A. Walonoski, Neil T. Heffernan

Abstract. A major issue in Intelligent Tutoring Systems is off-task student behavior, especially performance-based gaming, where students systematically exploit tutor behavior in order to advance...

Scaffolding vs. Hints in the Assistment System (2006)

Leena Razzaq, Neil T. Heffernan

Abstract. Razzaq et al, 2005 reported that the Assistment system was causing students to learn at the computer but we were not sure if that was simply due to students getting practice or more due to...

Looking for sources of error in predicting student’s knowledge (2005)

Mingyu Feng, Neil T. Heffernan, Kenneth R. Koedinger

Recent research has focused on detecting the “gaming” behavior of students while using an intelligent tutoring system. For instance, Baker, Corbett & Koedinger (2004) reported detecting...

The eXtensible tutor architecture: a new foundation for ITS (2005)

Goss Nuzzo-jones, Jason A. Walonoski, Neil T. Heffernan, Tom Livak

Abstract. The eXtensible Tutor Architecture (XTA) was designed as a platform for creating and deploying many types of Intelligent Tutoring Systems across many different platforms. The XTA presently...

Informing Teachers Live about Student Learning: Reporting in the Assistment System (2005)

Mingyu Feng, Neil T. Heffernan

Abstract. Limited classroom time available in middle school mathematics classes forces teachers to choose between assisting students ' development and assessing students ' abilities. To...

The ASSISTment Builder: A Rapid Development Tool for ITS (2005)

Terence E. Turner, Michael A. Macasek, Goss Nuzzo-jones, Neil T. Heffernan, Ken Koedinger

Abstract. Intelligent Tutoring Systems are notoriously costly to construct [1], and require PhD level experience in cognitive science and rule based programming. The goal of this research was to ease...

The eXtensible tutor architecture: a new foundation for ITS (2005)

Goss Nuzzo-jones, Jason A. Walonoski, Neil T. Heffernan, Tom Livak

Abstract. The eXtensible Tutor Architecture (XTA) was designed as a platform for creating and deploying many types of Intelligent Tutoring Systems across many different platforms. The XTA presently...

Looking for sources of error in predicting student’s knowledge (2005)

Mingyu Feng, Neil T. Heffernan, Kenneth R. Koedinger

Recent research has focused on detecting the “gaming” behavior of students while using an intelligent tutoring system. For instance, Baker, Corbett & Koedinger (2004) reported detecting...

Informing Teachers Live about Student Learning: Reporting in the Assistment System (2005)

Mingyu Feng, Neil T. Heffernan

Abstract. Limited classroom time available in middle school mathematics classes forces teachers to choose between assisting students ' development and assessing students ' abilities. To...

Tutorial dialog in an equation solving intelligent tutoring system (2004)

Leena M. Razzaq, Neil T. Heffernan

Abstract. A new intelligent tutoring system is presented for the domain of solving equations. This system is novel, because it is an intelligent equation-solving tutor that combines a cognitive model...

Using association rules to guide a search for best fitting transfer models of student learning (2004)

Jonathan Freyberger, Neil T. Heffernan, Carolina Ruiz

Abstract: We say a transfer model is a mapping between the questions in an intelligent tutoring system and the knowledge components (i.e., skills, strategies, declarative knowledge, etc) needed to...

Using Web-Based Cognitive Assessment Systems for Predicting Student Performance on State Exams. Research proposal to the (2001)

Neil T. Heffernan, Kenneth R. Koedinger, Brain Junker, Steven Ritter, Carnegie Learning Incorporated

The movement towards high stakes testing promises to encourage rigor and accountability in middle school mathematics, but there is a danger that a toonarrow focus on testing will take time and...

The Virtual Observer/Controller (VOC): Automated Intelligent Coaching in Dismounted Warrior Simulations (1998)

Banta, H. G., Troillet, David B., Heffernan, Neil T., Plamondon, Brian, Beal, Scott A.

This report describes the efforts and results of examining the feasibility of creating a Virtual Observer/Controller (VOC) to observe and critique Soldiers' performance as they are engaged in...

Affordable Cognitive Modeling Authoring Tools using HCI Methods: Carnegie Mellon University Portion (1998)

Koedinger, Kenneth R., Heffernan, Neil T., Aleven, Vincent

We were able to show that our tools can be used to build many different rule-based cognitive models, such as a Warrior Simulator at Fort Benning (Livak & Heffernan, 2004), a Logic Tutor for internal...

Affordable Cognitive Modeling Authoring Tools using HCI Methods: Worcester Polytechnic Institute Portion (1998)

Heffernan, Neil T., Koedinger, Kenneth R., Aleven, Vincent

To investigate ways to increase the affordability of human behavioral modeling through development of better software tools to support this task and the gathering of objective evidence that the tools...

A new method to eliminate redundancy in problem space search: the fifteen puzzle (1993)

Heffernan, Neil T.

This thesis is not available electronically or by photocopy. Please contact Archives and Special Collections at archives@amherst.edu for more information.