Reports on: (1) the formulation of a holistic, systems-based theory of cultural transmission; (2) a field guide developed for gathering the precise data needed to test the theory; and (3) a pilot study, involving the collection and analysis of data about six- to 12-year-old Americans, Israelis, and Mexicans, to test both guide and theory. (CMG)

Running experiments and grabbing experimental data are great ways to learn and teach science and mathematics. Data grabbers are instruments that capture physical data in electronic form for graphing and analysis in graphing calculators and computers. Describes some data grabbers and points to items in their gigantic support system. (PVD)