A standardized achievement testing program was begun in Alum Rock, California in the fall of 1972 as part of an evaluation of an Educational Voucher Demonstration. During each of the first three years of the demonstration both the form of test administration and the particular level of the standardized achievement test that a student is assigned…

In spring 1986, new citywide testing programs in both reading and mathematics were implemented by the New York City Board of Education. In those cases where the test had changed, it was necessary to statistically equate the new tests to the old tests, so that comparisons of equated rather than actual scores could be made during the transitional…

American school officials almost invariably compare local and national achievement through one of the following norm-referenced tests: (1) the California Achievement Test; (2) the Stanford Achievement Test; (3) the Metropolitan Achievement Test; (4) the Science Research Associates Test; (5) the Comprehensive Test of Basic Skills; and (6) the Iowa…