Itβs not my intention to give full information or an extensive discussion on every theory. This website is intended to be a starting point and the main difference with other websites is the visual representation of the theory, which I hope will help get to grips with the theory. There are also links it the bottom to get your further research started.
Sixteen Personality Factor Questionnaire (16PF)*
Raymond Cattell 1946, 1949, 1965
Table of Content
Because of its number of categories, 16, you may automatically related it to the Myers-Briggs Inventory. However, the sliders in the image below will hint at a stronger relation to the 5 Factor Model. Unlike Myers-Briggs, it is argued to have been built up on the basis of the same scientific rigour as the 5 Factor Model.

