
WINSTEPS
 Referenced in 23 articles
[sw06661]
 often classified under item response theory, IRT, or logitlinear models. Rasch specifies how persons...

pscl
 Referenced in 19 articles
[sw07110]
 University. Bayesian analysis of itemresponse 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 twoparameter normalogive 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 IRTmodels: 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 threeparameter logistic model, the twoparameter 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 mixedeffect models. Although IRT models appear most often in the psychological testing literature ... researchers in other fields have successfully utilized IRTlike 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 MultiUnidimensional IRT Model. Unidimensional item response theory (IRT) models...

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

SNSequate
 Referenced in 3 articles
[sw21191]
 mean, meansigma, Haebara and StockingLord 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...