The Diffusion of Innovation, 5th ed by Everett Rogers

The Categories Are

  • 1) Innovators (2.5%) or less than 2 standard deviations (sd) from the mean in terms of time of adoption.
  • 2) Early adopters – from -2 sd to -1 sd (13.5%)
  • 3) Early majority – from -1 sd to the mean (34%)
  • 4) Last majority – from the mean to +1 sd (34%)
  • 5) Laggards – greater than +1 sd (16%)
  • There are also those who never adopt. (eg. Amish)
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One Response to “The Diffusion of Innovation, 5th ed by Everett Rogers”

  1. Wow, marvelous blog structure! How long have you ever been blogging for? you make blogging look easy. The entire glance of your website is wonderful, let alone the content!

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