• WINSTEPS

  • Referenced in 23 articles [sw06661]
  • often classified under item response theory, IRT, or logit-linear models. Rasch specifies how persons...
  • pscl

  • Referenced in 19 articles [sw07110]
  • University. Bayesian analysis of item-response theory (IRT) models, roll call analysis; computing highest density...
  • IRTPRO

  • Referenced in 12 articles [sw13414]
  • IRTPRO: Flexible, multidimensional, multiple categorical IRT modeling...
  • PARSCALE

  • Referenced in 12 articles [sw13947]
  • PARSCALE: IRT item analysis and test scoring for rating scale data...
  • plink

  • Referenced in 7 articles [sw23674]
  • package plink: IRT Separate Calibration Linking Methods. Item response theory based methods are used ... importing item and/or ability parameters from common IRT software, conducting IRT true score and observed...
  • cirt

  • Referenced in 10 articles [sw08115]
  • modeled by a two-parameter normal-ogive IRT model and response times by a lognormal...
  • irtoys

  • Referenced in 5 articles [sw16236]
  • interface to the estimation and plotting of IRT models. Provides a simple common interface ... estimation of item parameters in IRT models for binary responses with three different programs ... variety of functions useful with IRT models...
  • mcIRT

  • Referenced in 5 articles [sw13951]
  • package mcIRT: IRT models for multiple choice items (mcIRT). This package provides functions to estimate ... popular IRT-models: The Nominal Response Model (Bock 1972) and the quite recently developed Nested...
  • flexMIRT

  • Referenced in 7 articles [sw13413]
  • multidimensional, and multiple group item response theory (IRT) software package for item analysis and test...
  • sirt

  • Referenced in 4 articles [sw15945]
  • including multidimensional compensatory and noncompensatory IRT models, MCMC for hierarchical IRT models and testlet models ... model, faceted and hierarchical rater models, ordinal IRT model (ISOP), DETECT statistic, local structural equation...
  • equateIRT

  • Referenced in 4 articles [sw20026]
  • equateIRT: An R Package for IRT Test Equating. The R package equateIRT implements item response ... theory (IRT) methods for equating different forms composed of dichotomous items. In particular ... IRT models included are the three-parameter logistic model, the two-parameter logistic model...
  • mlirt

  • Referenced in 4 articles [sw24922]
  • Multilevel IRT Modeling in Practice with the Package mlirt. Variance component models are generally accepted ... measurement error using an item response theory (IRT) model, leading to a multilevel IRT model...
  • gpcm

  • Referenced in 3 articles [sw25842]
  • Response Models in R. tem response theory (IRT) models are a class of statistical models ... categorically scored items. The most common IRT models can be classified as generalized linear fixed ... and/or mixed-effect models. Although IRT models appear most often in the psychological testing literature ... researchers in other fields have successfully utilized IRT-like models in a wide variety...
  • lordif

  • Referenced in 4 articles [sw23411]
  • Logistic Ordinal Regression Differential Item Functioning using IRT. Analysis of Differential Item Functioning ... ordinal logistic regression and item response theory (IRT...
  • diffIRT

  • Referenced in 4 articles [sw24166]
  • package diffIRT: Diffusion IRT Models for Response and Response Time Data. Package to fit diffusion ... based IRT models to response and response time data. Models are fit using marginal maximum...
  • IRTmu2no

  • Referenced in 4 articles [sw25350]
  • Chain Monte Carlo with a Multi-Unidimensional IRT Model. Unidimensional item response theory (IRT) models...
  • catIrt

  • Referenced in 3 articles [sw16234]
  • package catIrt: An R Package for Simulating IRT-Based Computerized Adaptive Tests. Functions designed ... simulate data that conform to basic unidimensional IRT models (for now 3-parameter binary response...
  • SNSequate

  • Referenced in 3 articles [sw21191]
  • mean, mean-sigma, Haebara and Stocking-Lord IRT linking methods. It also supports newest methods ... logistic and uniform kernels) with presmoothing, and IRT parameter linking methods based on asymmetric item...
  • EQUATE

  • Referenced in 4 articles [sw25310]
  • Program for the Characteristic Curve Method of IRT Equating...