Simulated data (30 items, polytomous G-DINA model)

Simulated data, Q-matrix and item parameters for a 30-item test measuring 5 attributes.

Usage

data(sim30pGDINA)

Format

A list with components:

simdat

simulated responses of 3000 examinees

simQ

artificial Q-matrix

simItempar

artificial item parameters(probability of success for each latent group)