swMATH ID: 23674
Software Authors: Jonathan P. Weeks
Description: R package plink: IRT Separate Calibration Linking Methods. Item response theory based methods are used to compute linking constants and conduct chain linking of unidimensional or multidimensional tests for multiple groups under a common item design. The unidimensional methods include the Mean/Mean, Mean/Sigma, Haebara, and Stocking-Lord methods for dichotomous (1PL, 2PL and 3PL) and/or polytomous (graded response, partial credit/generalized partial credit, nominal, and multiple-choice model) items. The multidimensional methods include the least squares method and extensions of the Haebara and Stocking-Lord method using single or multiple dilation parameters for multidimensional extensions of all the unidimensional dichotomous and polytomous item response models. The package also includes functions for importing item and/or ability parameters from common IRT software, conducting IRT true score and observed score equating, and plotting item response curves/surfaces, vector plots, information plots, and comparison plots for examining parameter drift.
Homepage: https://cran.r-project.org/web/packages/plink/index.html
Source Code:  https://github.com/cran/plink
Dependencies: R
Related Software: R; ltm; mirt; irtoys; eRm; BMIRT ToolKit; IRTEQ; BILOG; TESTFACT; MiscPsycho; IRTPRO; kequate; equate; SNSequate; MULTILOG; PARSCALE; POLYEQUATE; POLYST; mcmequate; EQUATE
Cited in: 4 Documents

Standard Articles

1 Publication describing the Software Year
plink: An R Package for Linking Mixed-Format Tests Using IRT-Based Methods Link
Jonathan Weeks

Cited in 1 Field

4 Statistics (62-XX)

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