Some theorists have pieced together cognitive changes in young adults and proposed a new stage of cognitive development termed:

It is termed as "Post formal thought".

Post formal thought includes understanding that the right response to an issue requires intelligent reasoning and can change from on circumstance to another, and that the look for truth is frequently a continuous, ceaseless process. Post formal thought likewise incorporates the conviction that answers for issues should be sensible, and that feelings and subjective elements can impact thinking.

the density would be a smaller number.