Described a probe that can assess the learners' understanding of scientific ideas in conditions that do not demand closure on a single interpretation, and where learners can demonstrate certainty or otherwise in several possible alternatives. Can be used in monitoring conceptual change when intuitive understanding of scientific phenomena is to be…

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…