Fraction Subtraction data (Tatsuoka, 1990, 2002) consists of responses of 536 examinees to 20 items measuring 8 attributes.
data(realdata_Tatsuoka1990)A list of responses and Q-matrix with components:
datresponses of 536 examinees to 20 items
QThe \(20 \times 8\) Q-matrix
Ma, W., & de la Torre, J. (2020). GDINA: An R Package for Cognitive Diagnosis Modeling. Journal of Statistical Software, 93(14), 1-26. Tatsuoka, K. K. (1990). Toward an integration of item-response theory and cognitive error diagnosis. In N. Frederiksen, R. Glaser, A. Lesgold, & M. Shafto (Eds.), Diagnostic monitoring of skill and knowledge acquisition (pp. 453-488). Hillsdale, NJ: Erlbaum. Tatsuoka, C. (2002). Data analytic methods for latent partially ordered classification models. Journal of the Royal Statistical Society, Series C, Applied Statistics, 51, 337-350.