Reviews the current literature concerning prior knowledge in an attempt to clarify problems with the terminology. Identifies the three main problems: lack of definition or vagueness, nominal versus real definitions, and different names/same constructs or same name/different constructs. Includes a conceptual map of prior knowledge terminology. (MJP)

Explores the usefulness of an alternative writing approach using a spatial-verbal technique called node-link mapping. In this process the student diagrams nodes, which contain key ideas and propositions, and links, which convey relations such as, leads to, part of, and example. Includes diagrams and examples. (MJP)