The Substitution, Augmentation, Modification, or Redefinition Model offers a method of thinking about how technology might impact teaching and learning. It also shows a progression that adopters of educational technology often follow as they progress through teaching and learning with technology.

For more see: Hamilton, E. R., Rosenberg, J. M., & Akcaoglu, M. (2016). The Substitution Augmentation Modification Redefinition (SAMR) Model: A Critical Review and Suggestions for its Use. TechTrends, 60(5), 433–441.