Diffusion IRT Models for Response and Response Time Data

Documentation for package ‘diffIRT’ version 1.5

anova.diffIRT	Conduct a likelihood ratio test on two nested 'diffIRT' models
brightness	A Simulated Response Time Dataset according to an Experimental Design
coef.diffIRT	Return estimated parameters
diffIRT	Fitting diffusion IRT models
extraversion	Responses and Response Times to 10 Extraversion Items
factest	Estimating factor scores for diffIRT models
QQdiff	Assessing diffIRT model fit for the response times using QQ-plots
RespFit	Assessing diffIRT model fit for the responses using limited information goodness-of-fit testing.
rotation	Responses and Response Times to 10 Mental Rotation Items
simdiff	Simulate data according to the D-diffusion or Q-diffusion IRT model.
simdiffT	Simulate data according to the traditional diffusion model.
summary.diffIRT	Summary function for diffIRT objects