act.mcm {plink} | R Documentation |
This dataset includes multiple-choice model item parameter estimates for
two groups. There are 60 items, all of which are common items. The estimates
are from the 1997 and 1998 ACT mathematics test. The item parameters were
obtained from the examples for the software mceq
written by Bradley
Hanson.
act.mcm
A list of length two. The matrices in the two list elements contain multiple-choice model item parameters for 1997 and 1998 respectively.
Kim, J.-S. & Hanson, B. A. (2002). Test Equating Under the Multiple-Choice Model. Applied Psychological Measurement, 26(3), 255-270.
The item parameters can be found here http://www.b-a-h.com/software/mcmequate/index.html