Presented is the final report of the Leadership Training Institute (LTI) in Learning Disabilities at the University of Arizona. Purposes of the LTI are reported to have been to give technical assistance to the Child Service Demonstration Centers which were alloted funds by the Bureau for the Education of Handicapped Children in eight states (California, Colorado, Mississippi, New Jersey, Ohio, Utah, Washington, and Wisconsin) and to prepare a document which would: (1) survey current research and development and delineate the direction further research should take, (2) survey and describe the professional training programs, (3) survey and describe current materials and methods being used, and (4) describe and analyze current service activities. Sections cover the following topics:"Subject Variables: Definition, Incidence, Characteristics, and Correlates" (N. D. Bryant and J. McLoughlin), "Personnel Training Practices in Learning Disabilties" (C. Kass, et al), "Methods and Materials in Learning Disabilities" (C. Kass and R. Lewis), "Administrative and Service Arrangements in Learning Disabilties" (J. L. Wiederholt, et al), and "Recommendations for Programmatic Research" (N. D. Bryant and J. L. Wiederholt). (IM)