| MSATB {difNLR} | R Documentation |
Dichotomous dataset of Medical School Admission Test in Biology.
Description
The MSATB dataset consists of the responses of 1,407 subjects
(484 males, 923 females) to admission test to medical school in the Czech republic.
It contains 20 selected items from original test while first item was previously detected
as differently functioning (Vlckova, 2014). A correct answer is coded as 1 and incorrect
answer as 0. The column gender represents gender of students, where 0 indicates
males (reference group) and 1 indicates females (focal group).
Usage
data(MSATB)
Format
A MSATB data frame consists of 1,407 observations on the following 21 variables:
- Item
dichotomously scored items of the test
- gender
gender of respondents,
"0"males,"1"females
Author(s)
Adela Hladka (nee Drabinova)
Institute of Computer Science of the Czech Academy of Sciences
Faculty of Mathematics and Physics, Charles University
hladka@cs.cas.cz
Patricia Martinkova
Institute of Computer Science of the Czech Academy of Sciences
martinkova@cs.cas.cz
References
Drabinova, A. & Martinkova, P. (2017). Detection of differential item functioning with nonlinear regression: A non-IRT approach accounting for guessing. Journal of Educational Measurement, 54(4), 498–517, doi:10.1111/jedm.12158.
Vlckova, K. (2014). Test and item fairness. Master's thesis. Faculty of Mathematics and Physics, Charles University.