SSI - Scientific Software International, Inc.

2024-07-23

Science, Social Sciences, Psychology, Tests and Testing - Scientific Software International. Statistical software for the social sciences.

Statistical software for the social sciences. Includes LISREL for structural equation modeling, HLM for hierarchical data analysis, and BILOG, BILOG-MG, MULTILOG, PARSCALE, and TESTFACT for IRT-based test analysis.