Search CTAT

Cognitive Tutors have been successful in raising students' math test scores in high school and middle-school classrooms, but their development has traditionally required considerable time and expertise. With the Cognitive Tutor Authoring Tools (CTAT), creating Cognitive Tutors is both easier for experts and possible for novices in cognitive science. The tools draw on ideas of programming by demonstration, structured editing, and others.

Project News

Open position with CTAT: Flash research programmer April 29, 2008

We are looking for a research programmer to help our lab in the development of web-based tutoring software. The candidate's duties will include the development of computer-based tutors, using the Cognitive Tutor Authoring Tools (CTAT), maintaining and extending the Flash-based tools within CTAT, and helping to create, maintain, and extend a website with CTAT-built tutors for middle-school math.

Read the full job description and apply online

PSLC Summer School Registration is Open February 26, 2008

The PSLC Summer School is an intensive 1-week course on technology-enhanced learning experiments and building intelligent tutoring systems. The summer school will provide a conceptual background and considerable hands-on experience in developing, running and analyzing technology-enhanced learning experiments. This year's summer school will be held July 7-11, 2008 at Carnegie Mellon University in Pittsburgh, PA, USA.

In the Tutor Development track, CTAT project leads and staff will be present to help you develop an intelligent tutor with CTAT:

In the tutor development track, your goal will be to implement a prototype computer-based tutor, using authoring tools developed by PSLC reseachers, such as CTAT (the Cognitive Tutor Authoring Tools) which supports the creation of intelligent tutoring systems, or TuTalk, which is used to develop tutorial dialogue systems that interact with students in natural language.

Participation is free. The application deadline is midnight April 2, 2008.

Read more about the PSLC Summer School and register online.

CTAT 2.3 Released November 30, 2007

CTAT version 2.3 is available for download. New features include:

  • "Start state" editing at any time
  • Formulas, a powerful new method for adding flexibility and generality to an example-tracing tutor
  • Beta release of the "Number Line" Flash component
  • Logging updates
  • Numerous bug fixes

Read more in the release notes, or download CTAT 2.3.

New version of Flash Logging Library September 14, 2007

We've released an update to the Flash Logging Library, v2.3.8. This version contains support for logging media events related to video and audio. Download the Flash Logging Library, see the updated API documentation, or read about how to use the logging library in your Flash application.

CTAT Survey - Tell us what you think! August 8, 2007

We want to know what you think of CTAT. Have you used CTAT? Was it helpful? Usable? What could we do to make it better? Tell us on our survey. (It's anonymous and only 10 questions long.)

CTAT 2.2 Released June 13, 2007

CTAT version 2.2 is available for download. New features include:

  • Capability to view logs of tutor usage in Excel.
  • Usability improvements for behavior graph editing.
  • Mass production improvements
  • Four new Flash components (CommButton, CommScore, CommTimer, and CTATPreloader)

Read more in the release notes, or download CTAT 2.2.

Archived news