
mlirt
 Referenced in 6 articles
[sw24922]
 handle measurement error using an item response theory (IRT) model, leading to a multilevel...

irtProb
 Referenced in 2 articles
[sw23667]
 Probability Distributions Related to Multidimensional Person Item Response Models. Multidimensional Person Item Response Theory probability...

edstan
 Referenced in 2 articles
[sw36573]
 package edstan: Stan Models for Item Response Theory. Provides convenience functions and preprogrammed Stan ... models related to item response theory. Its purpose ... make fitting common item response theory models using Stan easy...

mcIRT
 Referenced in 6 articles
[sw13951]
 Nominal Response Model (Bock 1972) and the quite recently developed Nested Logit Model (Suh & Bolt ... models to examine multiplechoice items and other multicategorial response formats...

AnaQol
 Referenced in 4 articles
[sw11075]
 estimate the parameters of item responses theory models. %Anaqol requires the %Gammasym and the %Rasch ... cumulative traces of dichotomous and polytomous items; ;drawing logistic traces of dichotomous items; estimating...

IRTm2noHA
 Referenced in 2 articles
[sw25347]
 Specific Latent Traits in MATLAB. Multidimensional item response models have been developed to incorporate...

psych
 Referenced in 45 articles
[sw04549]
 although others provide basic descriptive statistics. Item Response Theory is done using factor analysis ... polychoric correlations. Functions for simulating particular item and test structures are included. Several functions serve ... useful front end for structural equation modeling. Graphical displays of path diagrams, factor analysis...

psychotools
 Referenced in 5 articles
[sw16066]
 Infrastructure for psychometric modeling such as data classes (for item response data and paired comparisons ... multinomial processing tree models), extractor functions for different types of parameters (item, person, threshold, discrimination...

LNIRT
 Referenced in 2 articles
[sw39009]
 Theory Models. Allows the simultaneous analysis of responses and response times in an Item Response ... functions (intercept, trend, quadratic), and covariates for item and person (random) parameters. Data missing ... Entink and Van der Linden (2007), ”Modeling of Responses and Response Times with the Package...

MultiCIRT
 Referenced in 1 article
[sw13206]
 package for multidimensional latent class item response models. A class of Item Response Theory ... polytomous items is illustrated and an R package for dealing with these models, named ... MultiLCIRT, is described. The models at issue extend traditional IRT models allowing for multidimensionality ... discriminating and difficulty item parameters. These models may be estimated by maximum likelihood...

IRTm
 Referenced in 1 article
[sw16974]
 Investigating latent constructs with item response models: A MATLAB IRTm toolbox. Item response theory ... large variety of IRT models for binary responses. A designmatrix approach is followed, giving ... model that goes beyond standard models like the Rasch or 2PL model. For instance ... very recent copula IRT models to handle local item dependencies are included, as well...

IRTFIT
 Referenced in 2 articles
[sw11074]
 Local Dependence Tests Under IRT Models. This SAS macro will produce a variety of indices ... testing the fit of item response theory (IRT) models to dichotomous and polytomous item response ... requires that the item parameters have been estimated in IRT model software programs (e.g., MULTILOG...

PerFit
 Referenced in 3 articles
[sw17213]
 sample or given a specified item response theory model. Some PFSs apply to dichotomous data...

lrasch_mml
 Referenced in 1 article
[sw37263]
 Likelihood Estimation in Longitudinal Polytomous Rasch Models. Item response theory models are often applied when...

Firestar
 Referenced in 1 article
[sw24660]
 Testing Simulation Program for Polytomous Item Response Theory Models. Polytomous items are used extensively ... means to evaluate item pools, select items for static short forms, determine optimal CAT settings ... polytomous items (twocategory items are supported as special cases). The item response theory models...

WPerfit
 Referenced in 1 article
[sw23666]
 personfit measures under different parametric item response models for binary items. The indices computed ... model and the two and threeparameter logistic models. The program can plot person response...

IRTuno
 Referenced in 3 articles
[sw25349]
 Modeling the interaction between persons and items at the item level for binary response data ... item response theory (IRT) models have been found useful in a wide variety of applications...

mirtjml
 Referenced in 2 articles
[sw36870]
 analysis (IFA) based on multidimensional item response theory models. So far, we provide functions ... multidimensional two parameter logistic (M2PL) model for binary response data. Comparing with traditional estimation methods ... data with large numbers of respondents, items, and latent factors. The computation is facilitated...

CTA1
 Referenced in 1 article
[sw30281]
 that study in a continuous principal stratification model to estimate the relationship between students’ potential ... directly observed. Consequently we embed an itemresponse model, which measures students’ potential mastery, within...

lsirm12pl
 Referenced in 1 article
[sw42850]
 package lsirm12pl: Latent Space Item Response Model. Analysis of dichotomous and continuous response data using...