Lord, Frederic M.2011-01-092011-01-091977Lord, Frederic M. (1977). Some item analysis and test theory for a system of computer-assisted test construction for individualized instruction. Applied Psychological Measurement, 1, 447-455. doi:10.1177/014662167700100313doi:10.1177/014662167700100313https://hdl.handle.net/11299/98567Under given conditions, conventional testing and computer-generated repeatable testing (CGRT) are equally effective for estimating examinee ability; CGRT is more effective than conventional testing for estimating the mean ability level of a group; and CGRT is less effective for estimating ability differences among individuals. These conclusions are drawn from domain-referenced test theory as distinguished from norm-referenced test theory.enArticle