The nature and timing of decisions regarding the diffusion of new instructional materials and practices are critical to the ultimate utility achieved by a curriculum project. This publication is a collection of five conference papers which deal with various aspects of diffusion of innovative materials and ideas. Everett M. Rogers discusses two…

How do innovations (defined as idea, products, and practices perceived as new by an individual) diffuse to members of a social system? The authors answer this and other questions about the character of innovators, the rate of adoption of ideas, and the decision-making process in 103 generalizations about diffusion of innovation. These propositions…

This article reviews lessons learned from the agricultural extension model that may apply to the proposed cooperative extension service in education. The agricultural extension model is a user-oriented system linking knowledge producers with other knowledge users. In education, the adopters of innovations may be organizations as well as…