• ConQuest

  • Referenced in 40 articles [sw06660]
  • Research (ACER) for fitting item response and latent regression models. It provides ... comprehensive and flexible range of item response models to analysts, allowing them to examine ... date psychometric methods of multifaceted item response models, multidimensional item response models, latent regression models...
  • ltm

  • Referenced in 42 articles [sw07911]
  • package for latent variable modelling and item response theory analyses. The R package ... polytomous data using latent variable models, under the Item Response Theory approach. For dichotomous data ... Parameter Logistic, and Birnbaum’s Three-Parameter models have been implemented, whereas for polytomous data...
  • mirt

  • Referenced in 36 articles [sw13479]
  • package mirt: Multidimensional Item Response Theory. Analysis of dichotomous and polytomous response data using ... unidimensional and multidimensional latent trait models under the Item Response Theory paradigm. Exploratory and confirmatory ... tier analyses are available for modeling item testlets. Multiple group analysis and mixed effects designs...
  • CDM

  • Referenced in 14 articles [sw15877]
  • cognitive diagnosis modeling and multidimensional item response modeling for dichotomous and polytomous data. This package ... DINO model, the multiple group (polytomous) GDINA model, the multiple choice DINA model, the general ... model (GDM), the multidimensional linear compensatory item response model and the structured latent class model...
  • DPpackage

  • Referenced in 70 articles [sw10495]
  • models in R, DPpackage. Currently, DPpackage includes models for marginal and conditional density estimation, receiver ... data, item response data, longitudinal and clustered data using generalized linear mixed models, and regression...
  • MultiLCIRT

  • Referenced in 14 articles [sw11284]
  • package MultiLCIRT: Multidimensional Latent Class Item Response Theory Models. Framework for the Item Response Theory...
  • pscl

  • Referenced in 25 articles [sw07110]
  • Stanford University. Bayesian analysis of item-response theory (IRT) models, roll call analysis; computing highest...
  • irtrees

  • Referenced in 8 articles [sw16976]
  • package irtrees: Estimation of Tree-Based Item Response Models. Helper functions and example data sets ... Partchev, I. (2012) IRTrees: Tree-Based Item Response Models of the GLMM Family, Journal...
  • cirt

  • Referenced in 11 articles [sw08115]
  • Modeling of responses and response times with the package cirt. In computerized testing, the test ... takers’ responses as well as their response times on the items are recorded. The relationship ... between response times and response accuracies is complex and varies over levels of observation ... conjoint model is proposed. Item responses are modeled by a two-parameter normal-ogive...
  • Latent GOLD

  • Referenced in 94 articles [sw11673]
  • structural equation models, and random-effects regression models that are based on continuous latent variables ... explaining respondent heterogeneity in survey response patterns involving dichotomous items. During the 1970s, LC methodology ... related field of finite mixture (FM) models for multivariate normal distributions began to emerge, through...
  • WINSTEPS

  • Referenced in 27 articles [sw06661]
  • often classified under item response theory, IRT, or logit-linear models. Rasch specifies how persons ... probes, prompts, raters, test items, tasks, etc. must interact statistically through probabilistic measurement models...
  • plink

  • Referenced in 7 articles [sw23674]
  • tests for multiple groups under a common item design. The unidimensional methods include the Mean/Mean ... polytomous (graded response, partial credit/generalized partial credit, nominal, and multiple-choice model) items. The multidimensional ... unidimensional dichotomous and polytomous item response models. The package also includes functions for importing item ... observed score equating, and plotting item response curves/surfaces, vector plots, information plots, and comparison plots...
  • flexMIRT

  • Referenced in 9 articles [sw13413]
  • variety of unidimensional and multidimensional item response theory models (also known as item factor analysis...
  • TAM

  • Referenced in 5 articles [sw13950]
  • likelihood estimation of uni- and multidimensional item response models (Rasch, 2PL, 3PL, Generalized Partial Credit ... Facets, Nominal Item Response, Structured Latent Class Analysis, Mixture Distribution IRT Models, Located Latent Class...
  • IRTmu2no

  • Referenced in 4 articles [sw25350]
  • with a Multi-Unidimensional IRT Model. Unidimensional item response theory (IRT) models are useful when ... Gibbs sampler for such models with two item parameters and a normal ogive form ... user the choice to simulate binary response data with multiple dimensions, set the number ... specify starting values or prior distributions for model...
  • DIMTEST

  • Referenced in 12 articles [sw33561]
  • essentially unidimensional latent trait model fits observed binary item response data from a psychological test...
  • sirt

  • Referenced in 6 articles [sw15945]
  • package sirt. Supplementary item response theory models to complement existing functions in R, including multidimensional...
  • BMIRT ToolKit

  • Referenced in 5 articles [sw13942]
  • BMIRTII(Yao, 2003, 2010), Bayesian Multivariate item Response Theory, is a computer program that uses ... Hastings method to produce item and ability parameter estimates and model fit statistics such ... multidimensional, multi-group item response theory model frame work; exploratory and confirmatory mode are supported...
  • gpcm

  • Referenced in 3 articles [sw25842]
  • Marginal Maximum Likelihood Estimation of Item Response Models in R. tem response theory (IRT) models ... class of statistical models used by researchers to describe the response behaviors of individuals ... categorically scored items. The most common IRT models can be classified as generalized linear fixed...
  • OPLM

  • Referenced in 11 articles [sw13412]
  • OPLM: One Parameter Logistic Model. Computer program and manual. OPLM is also the name ... analyzing item responses within the framework of the One Parameter Logistic Model (OPLM...