Although basing instruction on learning trajectories (LTs) is often recommended, there is little direct evidence regarding the premise of a LT approach--that instruction should be presented (only) one LT level beyond a child's present level. We evaluated this hypothesis in the domain of early shape composition. One group of preschoolers, who were…

Although basing instruction on learning trajectories (LTs) is often recommended, there is little direct evidence regarding the premise of an LT approach--that instruction should be presented (only) one LT level beyond a child's present level. We evaluated this hypothesis in the domain of early shape composition. One group of preschoolers, who were…

Computer-based drill and practice can develop math automaticity in learning handicapped children, but only when prior training for developing a declarative knowledge network is implemented. An experimental math program called "Fast Facts" successfully developed the recall of basic math facts in 160 mildly handicapped and nonhandicapped…

Upon entry to New River Community College (NRCC), placement tests are administered to students enrolling in curricula and to students enrolling in English and mathematics classes. Based on preestablished cutoff scores on the placement tests, students are advised by counselors to take appropriate courses. In 1990, NRCC tracked students from…