Reviews previous research on advance organizers (introductory text adjuncts intended to provide readers of expository text with a meaningful context within which to process unfamiliar, or difficult, new information). Shows that they inspire significant comprehension increases among readers whose prior knowledge "subsumers" are inadequate to…

Discusses briefly the process of comprehension. Argues that graphic organizers can be used as a practical tool while using basal readers, tapping into prior knowledge, cultivating active participation, and fostering an understanding of conceptual relationships, thus leading to a facilitation of comprehension. (SR)