Focuses on the role of cognitive structures in the reader's knowledge. Argues that causality is an important category in structuring human knowledge and that this property has consequences for text processing. Discusses research illustrating that the more the information in the text reflects causal categories, the more easily the information is…

Examines two texts showing that the relational propositions (frequently implicit) that arise out of a combination of independent clauses involve every clause and that they occur in a pattern of propositions that connects all of the clauses together. Shows how relational propositions are essential to the functioning of the text. (HTH)

Indicates that both novices and experts considered (1) definitions more important than facts, though novices applied this rule more strongly, and (2) information high in the passage hierarchy more important than lower level information. Finds that hierarchical level has a greater effect on the perceived importance of definition than facts. (JD)