Chapter 4 JB’s Model

JB’s Seven Ray Model of the Keirsey Sorter
The Keirsey Test measures character preferences in three dimensions, and a general psychological predisposition: Extroversion or Introversion (E / I).

These three dimensions could be re-interpreted [JB] in terms of the relative preferences between the three primary rays (1st, 2nd, and 3rd) in such a way that all possible binary combinations of the three rays of aspect are exhaustively compared, thus resulting in Keirsey’s three dimensions.

The 16 Keirsey subtypes (and 4 Myers-Briggs types) can be correlated with the seven rays as follows:

Source: NGSM.org