by Sergei Ganin
I thought I'd post this article to make things a bit more clear. Although what I'm going to say is obvious, it does not always register in a thought process as much as it should.
When we are talking about N types or T types or F or S types, we often take a much wider scope than is necessary.
For example we say ESTp is T type, which is sort of true, but try assigning your classic T traits to this type and you fail. Why? Because ESTp is the S type, that's why. By the exact definition of T, T types would be the T dominant types only. But because T as auxiliary function is also quite strong, in many cases you can broaden up the definition and get away with it.
I think I might have mentioned on several occasions before how important Hidden Agenda could be. Well, to the untrained eye it could easily overshadow auxiliary function, hence leading to the wrong conclusion. Even people with over-sensitive HA themselves often get confused as to which is their stronger function, that or the auxiliary one.
So if you think that someone is ESTp but surprisingly quite emotional and bubbly, which you might find doesn't go along with T, just remember, they are not T in the first place. So, to summarise all of the above...
N types as ENTps, INFps, INTp and ENFps ONLY
T types as INTjs, ISTjs, ENTjs and ESTjs ONLY
F types as ESFjs, ENFjs, ISFjs and INFjs ONLY
S types as ISFps, ESTps, ESFps and ISTps ONLY
(I found it on socionics.com)