Entries by Nathan Thompson, PhD

2012 IACAT Conference Website

An official conference website has been established for the 2012 IACAT Conference: please visit www.iacat.org  to register and learn more about this important meeting.  Also, we have been working on upgrades to the IACAT website; please visit http://iacat.org/ to see some of what we are working on. ASC recently held a 5-day workshop on item response theory […]

ASC News-Feb 13, 2012

ASC Update – February 2012 Here are some brief updates and news for February 2012… ASC to conduct IRT/CAT Workshop in Botswana – 15 seats open! ASC will be conducting an applied workshop on item response theory (IRT) and computerized adaptive testing (CAT), March 5-9 at the Grand Palm resort in Gaborone, Botswana.  The workshop […]

January 2012 Newsletter

Xcalibre 4 updates Xcalibre 4is the most user-friendly software available for item response theory (IRT) analysis.  An update has been recently released, which includes a number of bug fixes and enhancements, including an addition of distractor (quantile) plots into the output.  These plots provide an excellent method for evaluating multiple-choice distractors by combining IRT and […]

2011: The first half

The first half of 2011 has been quite busy at ASC.  I have had the opportunity to visit Malaysia, India, and China for workshops on IRT and adaptive testing.  It is exciting to see the growing interest for advanced psychometrics in those countries, and I am thankful to my friends for the chances to visit.  […]

August, 2010

I spent yesterday presenting at the Minnesota Assessment Conference.  My congratulations and thanks to the folks at the Minnesota Department of Education for again organizing a wonderful event with a huge range of topics, from technical psychometric issues all the way to practical district-level topics.  ASC’s plans for upcoming conferences include the CLEAR conference (Sept.  […]

Iteman 4.1 ; FastTest Web Update

This post finds me writing from Arnhem, The Netherlands, home of Cito and host to the IACAT 2010 conference.  I’m looking forward to hearing some of the excellent CAT research that is happening around the world.  The conference has 130 participants from approximately 45 countries – and the organization is only one year old!   […]

May 2010- FastTest Web, Iteman 4

May, 2010 As of May 5, FastTEST Web is now available to the public!  Please visit www.fasttestweb.com to see some of the features and watch a video of it in action.  We continue to add new features every day – so if there is something you would like to see in an online test development […]

Iteman 4 and FastTest Web Release

After more than a year of development, Iteman 4 is now ready for release!  A second beta version was announced to our mailing list in late March.  Given the positive feedback, the complete version will be released to the public during the week of April 5.  An announcement will be sent to the mailing list […]

IRT and CAT Around the World

I just got back from another workshop on IRT and CAT, this one at the Universita G. d’Annunzio, Chieti, Italy.  Many thanks to Aristide Saggino and Roberta Romanelli for doing such a great job organizing this workshop!  It was truly an international affair, with participants from the US, Canada, UK, Belgium, Portugal, Switzerland, Italy, Malta, […]

February 2010

IACAT Deadline First thing to note this month: the deadline for proposals to present at IACAT 2010 is February 15, 2010.   New research I added a good amount of research to the ASC research page, http://www.assess.com/psychometric-research/.  There are now links to 15 published articles, technical reports, white papers, and conference presentations.  Please peruse if […]