A new method was developed to assist in the selection of a test length by utilizing computer simulation procedures and item response theory. A demonstration of the method presents results which address the influences of item pool heterogeneity matched to the objectives of interest and the method of item selection. (Author/PN)

Describes a Scottish project--"School-based assessment using item banking"--investigating the feasibility of producing computer-based test marking and reporting facilities. Teachers would construct their own tests from item banks and carry out diagnostic assessment and criterion-referenced measurement to evaluate students with SCRIBE, a…