Lists some of the major typographic variables involved in structured abstracts (containing sub-headings). Illustrates how typography can affect clarity by presenting seven examples that illustrate the effects of these typographic variables in practice. Concludes with a final example of an effective approach. (SR)

Investigates whether advance organizers facilitate the acquisition of subordinate information from text. Examines the influences of reader's background knowledge, advance organizers, relative importance of idea units, and idea units' position within a text structure on the recall of textual information. (SR)

Proposes that readability formulas cannot predict text difficulty. Presents results of an experiment designed to demonstrate that "text difficulty" is determined by individual differences (perception) and not by the objective qualities of a text. (NH)

Studies empirically the effects on reader performance of reduced text structure in technical writing texts. Reveals that removal of cues to local coherence produced reliable decrements in reader performance. Discusses results with regard to questions of information design. (HB)

Investigates the role of signaling (structural cues that announce or emphasize content or reveal content relationships) in helping good readers comprehend expository text. Finds that signals do improve a reader's comprehension, particularly comprehension two weeks after the reading of a passage and comprehension of superordinate and superordinate…