Simulated data (30 items, DINA model)

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

sim30DINA

Format

A list with components:

simdat

simulated responses of 1000 examinees

simQ

artificial Q-matrix

simItempar

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

References

Ma, W., & de la Torre, J. (2020). GDINA: An R Package for Cognitive Diagnosis Modeling. Journal of Statistical Software, 93(14), 1-26.

Author

Wenchao Ma, The University of Alabama, wenchao.ma@ua.edu