Transformation theory
Transformation theory also occurs in medical education.
Transformation theory, first explained by Dr. George Land (also George Ainsworth Land and George T. Lock Land) (1927-) is a description of the structure of change in natural systems. Land's research, detailed in his seminal book Grow or Die ), illustrates change as a series of interlocking S-curves, each interspersed with two breakpoints. Breakpoints are the moments in time when the rules of survival change.