A strategy that has been initiated to respond to assertions that out-of-date norms distort standardized achievement test results involves annually updating the norms for achievement tests to avoid the production of inflated scores through aging norms. The effect of the application of normative trend data to the obtained test results in an urban…

The Edmonton Grade III Achievement: 1956-1977 study is a comparison of achievement in reading, arithmetic, and language involving all of the third grade students in a large school system. Six basic skills tests which were administered to all of the Edmonton third grade students in 1956 were reprinted and administered to all of the third grade…