Software URL's:
- MODFIT is provided to you here for your convenience. However, you should visit the site from which it was obtained: http://io.psych.uiuc.edu/irt/downloads.asp
MODFIT zip file: MODFIT for Distribution 6-06-01 (web).zip
- NOHARM is provided to you here for your convenience. However, you should visit the site from which it was obtained: http://noharm.software.informer.com/download/
NOHARM zip file: Noharm.zip - WINSTEPS/BIGSTEPS/MiniStep/FACETS/MiniFac are available at: http://www.winsteps.com/
- EQUATE is provided by permission of Dr. Frank Baker.
EQUATE zip file: EquateDistribution.zip - WinGen: IRT item parameter and data generation software.
WinGen2 zip file: WINGEN_Han.zip
WinGen manual: WinGen_Manual_Han_Hambleton_2007.pdf
- IRTLab - Data Generation software. Provided by Dr. Randall Penfield. http://erm.uncg.edu/people/measurement-software/
Other sites of interest:
- CAT: www.psych.umn.edu/psylabs/catcentral
- Equating software (e.g., RAGE, CIPE) as well as other software available at:
http://www.education.uiowa.edu/centers/casma/computer-programs# - BEAR Center: http://bearcenter.berkeley.edu/
- Institute for Objective Measurement (Rasch): http://www.rasch.org/
- FreeIRT: http://www.freeirt.anaqol.org/index.php/?file=homepage.php (This site has been hacked. The URL is provided for future use when the site is safe to visit.)
- R: http://www.r-project.org/
- Psychometric software in R: http://cran.r-project.org/web/views/Psychometrics.html
- Ramsay’s TestGraf: http://www.psych.mcgill.ca/faculty/ramsay/ramsay.html
(ftp://ego.psych.mcgill.ca/pub/ramsay/testgraf/) - Software for performing equating, fit analyses, data generation, and so on is available at http://www.umass.edu/remp/main_software.html
- Psychometric Software Exchange: http://www.psychsoft.soe.vt.edu/