xxIRT - Item Response Theory and Computer-Based Testing
A suite of psychometric analysis tools for research and operation, including: (1) computation of probability, information, and likelihood for the 3PL, GPCM, and GRM; (2) parameter estimation using joint or marginal likelihood estimation method; (3) simulation of computerized adaptive testing using built-in or customized algorithms; (4) assembly and simulation of multistage testing. The full documentation and tutorials are at <https://github.com/xluo11/xxIRT>.
Last updated 6 years ago
4.10 score 25 stars 10 scripts 258 downloadsRirt - Data Analysis and Parameter Estimation Using Item Response Theory
Parameter estimation, computation of probability, information, and (log-)likelihood, and visualization of item/test characteristic curves and item/test information functions for three uni-dimensional item response theory models: the 3-parameter-logistic model, generalized partial credit model, and graded response model. The full documentation and tutorials are at <https://github.com/xluo11/Rirt>.
Last updated 5 years ago
cpp
3.95 score 3 stars 2 dependents 6 scripts 208 downloadsRmst - Computerized Adaptive Multistage Testing
Assemble the panels of computerized adaptive multistage testing by the bottom-up and the top-down approach, and simulate the administration of the assembled panels. The full documentation and tutorials are at <https://github.com/xluo11/Rmst>. Reference: Luo and Kim (2018) <doi:10.1111/jedm.12174>.
Last updated 5 years ago
3.78 score 4 stars 3 scripts 180 downloadsRata - Automated Test Assembly
Automated test assembly of linear and adaptive tests using the mixed-integer programming. The full documentation and tutorials are at <https://github.com/xluo11/Rata>.
Last updated 5 years ago
3.65 score 3 stars 1 dependents 211 downloads