Effects of test administration mode on item parameter estimates. In Paper presented at the annual meeting of the National Council on Measurement in Education. Chicago IL.
. (2003). ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
Impact of scoring options for not reached items in CAT. In Paper presented at the annual meeting of the National Council on Measurement in Education. Seattle WA.
. (2001). ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
Data sparseness and on-line pretest item calibration-scaling methods in CAT. Journal of Educational Measurement, 39, 207-218.
. (2002).