Matrix sampling of test items, the division of a set of items into different versions of a test form, is used by several large-scale testing programs. This Digest discusses nine categories of costs associated with matrix sampling. These categories are: (1) development costs; (2) materials costs; (3) administration costs; (4) educational costs; (5)…

Biographical inventory is a selection device used as an alternative or supplement to cognitive testing because this measurement method predicts aspects of job performance that are not predicted by cognitive measures. Some of the issues and concerns about using biographical inventories are discussed. The use of biographical inventories (biodata) is…

Second language (L2) computer-adaptive testing (CAT) is a technologically advanced method of assessment in which the computer selects and presents test items to examinees according to the estimated level of the examinee's language ability. The basic notion of an adaptive test is to mimic automatically what a wise examiner would normally do.…