Description Usage Arguments Value References
This function calculates Yen's Q3 statistic.
1 | statistic_Q3(resp = NULL, exp = NULL)
|
resp |
Numeric matrix of dimension N x J (for N persons and J items) containing the responses. |
exp |
Numeric matrix of dimension N x J (for N persons and J items) containing the expected responses. |
Vector of length J of polyserial correlations.
Li, T., Xie, C., & Jiao, H. (2017). Assessing fit of alternative unidimensional polytomous IRT models using posterior predictive model checking. Psychological Methods, 22, 397-408. doi:10.1037/met0000082
Yen, W. M. (1993). Scaling performance assessments: Strategies for managing local item dependence. Journal of Educational Measurement, 30, 187-213. doi:10.1111/j.1745-3984.1993.tb00423.x
Zhu, X., & Stone, C. A. (2012). Bayesian comparison of alternative graded response models for performance assessment applications. Educational and Psychological Measurement, 72, 774-799. doi:10.1177/0013164411434638
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.