AHP and ANP
How did Thomas Saaty come up with the 1-9 AHP scale?
In this section we have a collection of material related to the origins and the use of the 1-9 AHP scale.
Presentation at the ISAHP 2001 Symposium in Berne, Switzerland: ISAHP 2001 - Deriving the AHP 1-9 scale from first principles
Excerpt from Mathematical Principles of AHP - Stimulus Response Weber Fechner
Related SuperDecisions files
The superdecisions model presented in this video can be downloaded from here: