1. Vocabulary
... of subject headings and subdivisions to combine a number of different topics. These combinations can be in no more than two terms: a heading and subheading. All terms come from the controlled vocabulary of ERIC descriptors. Terms can be strung together according to the following rules: The Heading will always be a topic The heading of the precoordinate term will always contain a topic of ... ...
- Word Count: 664
- Approx Pages: 3
- Grade Level: High School