Differential Item Functioning

Display: Brief Description | Title Only Sort by:     Product     Price      Default     Result pages:   1 Products Per Page:  10 | 25 | 50 | Show All     DFIT 8 for Windows DFIT 8 is a powerful Windows program to analyze differential item and test functioning utilizing the DFIT framework that evaluates the differences between item response functions. DFIT 8 allows you to compare item response theory curves for different subgroups. Price Depends on License Options DIFPACK Dimensionality-based differential item functioning (DIF) analysis package that includes SIBTEST, POLY-SIBTEST, Crossing SIBTEST, DIFCOMP, and DIFSIM. Price Depends on License Options IRT DIF Analysis Tool The IRT DIF Analysis Tool is a spreadsheet designed for visualization and analysis of differential item functioning (DIF) results in the context of item response theory (IRT). Our price: $49.00 LERTAP 5 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

Result pages:   1

Products Per Page:  10 | 25 | 50 | Show All