Description Usage Format References
Artificial Q-matrix for 14 items with 3 attributes. A list of observed response data for 14 items, that was generated using the the deterministic inputs, noisy "and" gate model (DINA; Haertel, 1989; Junker & Sijtsma, 2001) .
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A list of observed response data Q-matrix, model parameters for 14 items with components:
simresp
simulated responses data matrix of 1000 examinees response to 14 items.
simdelta
A list of simulated item parameters for 14 items.
simqmatrix
Artificial Q-matrix specifies the relationship between 14 items and 3 attributes.
simAj
A list
of the possible combinations of the required attributes for 14 items (see de la Torre, 2011).
simMj
A list
of the design matrices and labels for 14 items (see de la Torre, 2011).
simAttrProbs
A Simulated vector
of the probabilities of attribute mastery profile of 2^3.
de la Torre, J. (2011). The generalized DINA model framework. Psychometrika, 76, 179-199.
Haertel, E. H. (1989). Using restricted latent class models to map the skill structure of achievement items. Journal of Educational Measurement, 26, 301-321.
Junker, B. W., & Sijtsma, K. (2001). Cognitive assessment models with few assumptions, and connections with nonparametric item response theory. Applied Psychological Measurement, 25, 258-272.
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