GMAT2test dataset.The GMAT2key is a vector of factors representing correct answers of generated
GMAT2test data set based on Graduate Management Admission Test (GMAT) data set (Kingston et al., 1985).
data(GMAT2key)A nominal vector with 20 values representing correct answers to items of GMAT2test
dataset. For more details see GMAT2test.
Kingston, N., Leary, L., & Wightman, L. (1985). An exploratory study of the applicability of item response theory methods to the Graduate Management Admission Test. ETS Research Report Series, 1985(2): 1--64.
Martinkova, P., Drabinova, A., Liaw, Y. L., Sanders, E. A., McFarland, J. L., & Price, R. M. (2017). Checking equity: Why differential item functioning analysis should be a routine part of developing conceptual assessments. CBE--Life Sciences Education, 16(2), rm2, 10.1187/cbe.16-10-0307.