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Classical Test Theory

Classical Item and Test Analysis Software

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CITAS - free item analysis with classical test theory
CITAS, the Classical Item and Test Analysis Spreadsheet, is a straightforward Excel Workbook that provides basic analysis of assessments for up to 50 items and 50 people, making it ideal for classroom use. It is available at no cost.
Price Depends on License Options Price Depends on License Options
Iteman 4 - Test and item analysis software with classical test theory
Iteman™ 4 represents the cutting edge in psychometric analysis software, giving you the power to create professional psychometric reports with the click of a mouse. Iteman™ 4 produces a comprehensive classical test theory analysis of your exam, including a quantile plot and detailed table of statistics for each item, but its user-friendly interface makes it accessible to novices and experts alike.
Price Depends on License Options
TestAssembler - Automated test assembly for multiple forms with anchors
TestAssembler is a simple, effective tool for automated test assembly based on classical test theory (CTT) or item response theory (IRT), including anchor item blocks. It was designed with one purpose in mind: to save you time and money.
Price Depends on License Options
Lertap 5 - Classical item and test analysis with Microsoft Excel

Lertap 5 is a classical item, test, and survey analysis system that is based in Microsoft Excel. Recent updates include support for Excel/Office 2007 or Excel/Office 2010 and the functionality to import ITAP-formatted input files. Lertap 5 produces a variety of tabular reports and related graphics, including: quintile plots of distractor functioning, boxplots of group test scores, eigenvalue scree plot displays, score histograms, and scatterplots; statistics for mastery, licensing, and certification tests; test cheating; differential item functioning graphs and Mantel-Haenszel statistics; conditional standard errors of measurement and indices of classification consistency.

Price Depends on License Options