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)

F   Free 15-day trial edition
F  Free student edition
F  Free upgrades
  • Please note that the upgrades from LISREL 8.30, LISREL 8.54 and LISREL 8.72 to LISREL 8.80 are paid upgrades. Click here for the upgrade prices.

Upgrade from LISREL 8.71 to LISREL 8.72 for Windows (April 2005)

Upgrade from LISREL 8.50, 8.51, 8.52 and 8.53 to LISREL 8.54 for Windows (May 2003)

Upgrade from LISREL 8.30 (January 1999) to LISREL 8.30 for Windows (February 2000)

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