Computer adaptive tests address predominantly the so - called «floor» and «ceiling» effects of the test — students far below or far above the grade level. (edsource.org)
It is estimated that approximately 7,000 school districts representing 30,000 schools are currently using some form of computerized adaptive testing. (ascd.org)
An attractive alternative, however, is use of adaptive testing, which can improve measurement in the range of higher order skills. (educationnext.org)