This document is the 15th annual summary of research and development in agricultural education in the United States. Authorized by the American Vocational Association, it is intended to show the direction of research in the field; help researchers researchers of efforts; and promote collaboration among researchers on a of efforts; and promote collaboration among researchers on a regional, national, and global basis. The research and development activities completed during 1988-89 are described in 154 abstracts grouped by state and, within state listings, arranged alphabetically by researcher's last name. The research abstracted was conducted under the auspices of institutions in 31 states. Research in progress is cited separately. ERIC accession numbers for previous national summaries are cited, and the names of national editors of the summaries and their institutions also appear. The abstracts are indexed by researcher and by subject. (CML)