Simulation of Ordinal Responses for Psychometric Studies R package simPsyStudy version 1.1.8 Provides tools to define factorial simulation conditions and generate binary or ordinal item responses under common-factor and probit graded response model parameterizations. Supports multivariate normal and correlated gamma latent traits, reproducible replications, parameter conversion, and structured storage of generated datasets. The graded response model follows Samejima (1969). Software Imports: MASS, moments, MultiRNG, Rdpack Suggests: testthat (>= 3.0.0) Bo Klauth <bklauth@gmail.com> Comprehensive R Archive Network (CRAN) Bo Klauth [aut, cre] (ORCID: <https://orcid.org/0000-0001-9442-4223>) MIT + file LICENSE (https://CRAN.R-project.org/package=simPsyStudy/LICENSE) 2026-09-15 application/tgz https://CRAN.R-project.org/package=simPsyStudy doi:10.32614/CRAN.package.simPsyStudy