Academic and non-academic licenses for IRT software products

• SSI, Inc. offers academic and non-academic (production and commercial) licenses for its IRT software products.
• Academic licenses for BILOG-MG 3, IRTPRO 2.1, and PARSCALE 4 for Windows are available separately.
• Academic licenses apply to end users that intend to use the software exclusively for academic research and instruction.
• Academic licenses can be ordered using the online PDF order forms providing an academic email address.
• Non-academic licenses apply to end users that intend to use the software for assessment.
• Non-academic license agreements are prepared on a case to case (individual) basis. For details, see:http://www.ssicentral.com/ordering/academic.html

IRTPRO 2.1 for Windows by Li Cai, David Thissen & Stephen du Toit

• Description and examples.

• Frequently Asked Questions (FAQs).

 

News about the IRT software products

• IRTPRO 2.1 for Windows: A completely new Windows application for multidimensional and unidimensional Item Response Theory Analysis is now available.
• The free trial edition of IRTPRO 2.1 for Windows is now available.
• The free student edition of IRTPRO 2.1 for Windows is now available.