We determined short- and long-term correlates of a revised introductory biology curriculum on understanding of biology as a process of inquiry and learning of content. In the original curriculum students completed two traditional lecture-based introductory courses. In the revised curriculum students completed two new learner-centered,…

Discussion of long-term instructional development focuses on the development and implementation of a K-12 energy education curriculum over a 20-year period. Highlights include field testing; fund raising; learner performance on posttests; revisions and updates; and guidelines for long-term instructional development projects. (LRW)

Effects of assessment on curriculum and instruction were studied in an investigation that considered local educators' reactions to statewide minimum competency testing, the instructional effects of implementing these tests, and variations within each state. The two states examined were Pennsylvania, a low-stakes situation with relatively minor…