(disclaimer: I have no understanding of the subject, I just searched the Internet) This longish article by Stanovich himself (link: http://www.keithstanovich.c

(disclaimer: I have no understanding of the subject, I just searched the Internet) This longish article by Stanovich himself (link: http://www.keithstanovich.com/Site/Research_on_Reasoning_files/Stanovich_Two_MInds.pdf http://www.keithstanovich.com/Site/Research_on_Reasoning_fil...) seems to answer your question (and falcolas' question as well). I am reading it right now and basically it seems that he proposes a three-level model as a refinement of Kahneman's two-level model.