This study investigated the "customization" of a standardized achievement test to measure the effect on group and individual scores. "Customization" refers to the modification of an existing test to more closely match test specifications of the entity using the test, usually a state or large school district. Results of an…

An achievement testing framework is being developed by the Los Angeles Unified School District to assess the educational progress of 14,000 secondary level compensatory education students with something other than standardized tests. The technique of multiple matrix sampling was applied to the use of large item domains in the subject area of…