This dissemination and diffusion handbook for the Florida State Department Division of Vocational Education is divided into ten chapters. Chapter 1 describes the functions of the dissemination and diffusion (D&D) section of the division of vocational education. Identifying the procedures and processes to be followed, chapter 2 focuses on the dissemination unit which is responsible for distributing new as well as established products. Chapter 3 presents and explains a model illustrating the publication request process for educational materials. Chapter 4 describes the functions of the D&D acquisitions and processing unit. Chapter 5 focuses on the diffusion unit which is primarily concerned with educational change; a model illustrating the diffusion process is presented and explained in detail in this chapter, and various diffusion strategies are presented in chapter 6. The role of the regional D&D consultant is defined in chapter 7. The activities involved in the dissemination and diffusion of V-TECS (Vocational-Technical Education Consortium of States) products are described in chapter 8, and dissemination and diffusion activities for career education are presented in chapter 9. Finally, chapter 10 describes the theoretical and research foundation of Impact Assessment, its relation to the basic D&D model, the basic questions that Impact Assessment answers, and the available methodologies and types of reports. Impact Assessment tools and examples of Impact Assessment reports are appended. (BM)