Nov 2012 Update
At this time we are not able to offer Applying the Rasch model to psycho-social measurement: A practical approach. (Wu, M. and Adams, R., 2007) as some parts of this document have now been incorporated into a book for publication. More information about the forthcoming Item Response Theory (IRT) book, authored by Margaret Wu, will be posted here in due course. At this stage, the expected publication date is December 2013. In the meantime, if you have questions related to IRT please contact us and we will endeavour to respond to your query.
New Item Response Theory (IRT) open source software
A new software package for Item Response Theory analysis developed by Thomas Kiefer, Alex Robitzsch and Margaret Wu is now available. Titled TAM (Test Analysis Modules), the software is a freely available open source package for use with R. To download the latest development version, please visit https://sites.google.com/site/irttam1/
A scalable online assessment application developed and maintained by EMS staff. See smeebu.com
Development of quality assessment tools made easy. Coming soon!