A study was conducted to determine if the observed changes in Head Start children were related to the practice effects inherent in a test-retest situation. The "control" group consisted of 64 children who had been eligible for a Head Start program. They roughly matched a group of Head Start (HS) children in IQ scores, age, and…

Diagnostic instruments of the Individually Prescribed Instruction (IPI) Program measure pupil achievement in the IPI learning continuum. The IPI system employs the instructional unit to define progress in mathematics, reading and science. At the start of a school year, placement tests are administered to start the pupil in appropriate learning…