实施生效
发表于 2025-3-30 12:12:14
Diffusion of Innovations: An Overviewse slowed to a point where only a few doctors had not adopted the antibiotic. The Coleman study identified the characteristics of the adopters of the innovation: generally the first doctors to adopt the new drug were typified by a higher income, a larger practice, and a more cosmopolitan scope in their travel and reading.