Academic Pricing
Academic and Non-Academic Pricing
 

LISREL, HLM, AUXAL, and SuperMix for Windows

The license prices for LISREL, HLM, AUXAL, and SuperMix for Windows are the same for both academic and non-academic end users.

BILOG-MG, IRTPRO, and PARSCALE for Windows

Academic and non-academic licenses

  • SSI, Inc. offers academic and non-academic licenses for BILOG-MG, IRTPRO, and PARSCALE for Windows.
  • Academic licenses apply to end users that intend to use the software exclusively for academic research (publications in academic journals and papers at academic conferences) and instruction.
  • Non-academic licenses apply to end users that intend to use the software commercially or for assessment.
  • It is possible that an end user at an academic organization needs a non-academic license.
  • It is possible that an end user at a non-academic organization needs an academic license. In this case, SSI, Inc. requires an official letter from the end user stating that the software is to be used exclusively for academic research and not for any form of assessment or testing. This letter should be sent via email to This email address is being protected from spambots. You need JavaScript enabled to view it..

Examples of non-academic end users

  • A professional organization that develops, calibrates, and scores licensing exams for their membership or for other in-house assessments.
  • An organization that contracts with third parties to do test development and test scoring, which is generally done for a fee
  • An organization that develops and maintains item banks and scores subjects in a production environment for internal use or for third parties.

Ordering academic licenses

Academic licenses for BILOG-MG, IRTPRO, and PARSCALE for Windows can be purchased by academic end userswith legitimate academic email addresses via the SSI Shopping Cart.

Ordering non-academic licenses

Single 12 month non-academic licenses for BILOG-MG, IRTPRO, and PARSCALE for Windows can be purchased via the SSI Shopping Cart.