In considering implications for teaching and learning found in research, a number of writers have urged teachers to probe students conceptions before teaching a concept. The purpose of this probing is to allow the teacher to begin instruction from the conceptual position or positions of the students. This approach carries with it the assumption…

In April of 1982, the German Federal Armed Forces initiated the first empirical pilot project in the area of computerized adaptive testing (CAT). The configuration of hardware, psychological section, and physiological section is discussed, as well as two current problems (data transfer from the TEST 2000 microcomputer to a large sized computer for…