items_diao | R Documentation |
A data.frame
containing 165 items calibrated using a 3PL model. This item pool is analogous to one of the item pools used
in Diao & van der Linden (2011).
items_diao
A data.frame
.
Item identifier.
Discrimination parameter.
Difficulty parameter.
Pseudo-guessing parameter.
Content category.
Diao, Q. & van der Linden, W.J. (2011). Automated test assembly using lp_solve version 5.5 in R. Applied Psychological Measurement, 35 (5), 398-409.
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