1. Comparison of primary vs. supplementary delivery of instruction via the World Wide Web and learning styles in an undergraduate agricultural communication course: effects on achievement and attitude Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Roberts, Eloise Gena (author) Format: Dissertation abstract Publication Date: 1999 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: D06706 Journal Title: Dissertation Abstracts International Journal Title Details: 60-09(A) : 3240Fou Notes: Online via Ovid.com. Abstract of dissertation from Mississippi State University. 1 p., Found no significant differences between method of instruction or learning styles on students' achievement or attitudes.