Assessment Systems Corporation :: Software :: Item Response Theory :: Xcalibre 4 - Software for IRT analysis and calibration

Xcalibre 4 - Software for IRT analysis and calibration

NOTICE: Xcalibre 4 is no longer available, as we are currently updating to Xcalibre 5.

Xcalibre™ 4 represents the leading edge in software for item response theory (IRT) analysis of assessment data. Xcalibre™ 4 calibrates your test using 4 dichotomous and 5 polytomous IRT models, and produces professional reports summarizing the analysis, complete with embedded graphics and tables to facilitate data interpretation. Xcalibre™ 4 is the most user-friendly comprehensive IRT software available; no more DOS command code!

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