Scientific Software International (SSI) publishes statistical data analysis software: LISREL (structural equation model/SEM, survey generalized linear model/SGLIM), 
HLM (hierarchical linear modeling, multilevel model), SuperMix (mixed models, mixed-effects program, MIXREG, MIXOR, MIXNO and MIXPREG) and Item Response Theory/IRT (BILOG-MG, MULTILOG, PARSCALE)Scientific Software International (SSI) publishes statistical data analysis software: LISREL (structural equation model/SEM, survey generalized linear model/SGLIM), 
HLM (hierarchical linear modeling, multilevel model), SuperMix (mixed models, mixed-effects program, MIXREG, MIXOR, MIXNO and MIXPREG) and Item Response Theory/IRT (BILOG-MG, MULTILOG, PARSCALE)Scientific Software International (SSI) publishes statistical data analysis software: LISREL (structural equation model/SEM, survey generalized linear model/SGLIM), 
HLM (hierarchical linear modeling, multilevel model), SuperMix (mixed models, mixed-effects program, MIXREG, MIXOR, MIXNO and MIXPREG) and Item Response Theory/IRT (BILOG-MG, MULTILOG, PARSCALE)


   Student edition of IRTPRO for Windows

Note that SSI, Inc. does not provide technical support for end users of the student edition of IRTPRO for Windows.

Restrictions:

Compared with the full edition, the student edition of IRTPRO for Windows is restricted as follows.

  • The total number of items is restricted to a maximum of 25 items.
  • The total number of persons is restricted to a maximum of 1000 persons.
  • The total number of dimensions is restricted to a maximum of 3 dimensions.
  • It can only import ASCII, tab-delimited, and comma-delimited data files.

    SSI, Inc. highly appreciates your comments on this edition via email.

Software

The current student edition of IRTPRO for Windows can be installed using the installation application IRTPRO41StudentSetup.exe.

Instructions:

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