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. WinGen is provided to you here for your convenience.
However, you should visit the site from which it was obtained: http://www.umass.edu/remp/software/wingen/
WinGen2 zip file: WINGEN_Han.zip
WinGen manual: WinGen_Manual_Han_Hambleton_2007.pdf
- IRTFIT (a SAS macro) for fitting 1PL/ Rasch, 2PL, 3PL, GR, GPC, PC, GRS, RS models may be found at http://outcomes.cancer.gov/areas/measurement/irt_model_fit.html
- IRTLab - Data Generation software. Provided by Dr. Randall Penfield. http://erm.uncg.edu/people/measurement-software/
- 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/
- The BUGS project: http://www.mrc-bsu.cam.ac.uk/bugs/
- 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.)
- Dave Thissen’s page: www.unc.edu/~dthissen/dl.html
- 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/