1. Characters of Early Adopters
   1. \
      1. Generally have more education
      2. Have higher social status
      3. Greater degree of upward social mobility
      4. Usually larger sized units (home, school, etc.)
      5. Greater empathy
      6. Less dogmatic
      7. More favorable attitude toward change
      8. More cosmopolite
      9. Greater exposure to mass media channels
      10. Have a greater knowledge of innovations
2. Elements of Diffusion
   1. Innovation
      1. Idea, practice, or object perceived as new
      2. Rate of adoption
   2. Communication Channels
      1. Mass media channels
      2. Interpersonal channels
      3. Interactive communication via Interne
   3. Time
      1. Innovation-diffusion process
      2. Innovativeness
      3. Innovation's rate of adoption
   4. Social System
      1. Set of interrelated units
3. Attributes of Diffusion
   1. Relative advantage
      1. Is it perceived as advantageous?
      2. Greater perceived advantage more rapid rate of adoption
   2. Compatibility
      1. Consistent with values, experiences, and needs?
      2. Positively related to rate of adoption
   3. Complexity
      1. Is it difficult to understand or use?
      2. Negatively related to rate of adoption
   4. Trialability
      1. May I try it out on a trial basis?
      2. Positively related to rate of adoption
   5. Observability
      1. Will others notice this innovation?
      2. Positively related to rate of adoption
4. The Change Agent
   1. Develop a need for change on the parts of the clients
   2. Establish information-exchange relationship
   3. Diagnose problems
   4. To translate intentions into action
   5. To stabilize adoption and prevent discontinuance
   6. To achieve a terminal relationship with clients
5. Adopter Categories
   1. Innovators
      1. Willing to take risks
      2. Have high social status
      3. Launching the new idea in the system
   2. Early adopters
      1. Highest degree of opinion leadership
      2. Respected by peers
      3. Role model
      4. Looked to for advice on an innovation
   3. Early majority
      1. Make up 1/3 of all members of a system
      2. May deliberate for some time before adopting
      3. Adopt right before the average member of a system
   4. Late majority
      1. Adopt just after the average member of a system
      2. Make up 1/3 of all members of a system
      3. Approach innovations with caution and skepticism
   5. Laggards
      1. Last to adopt an innovation in a system
      2. Somewhat isolated from others in their system
      3. Makes decisions based on past experiences
      4. Tend to be suspicious of innovations and of change agents