In part 1 on this blog, “A mini-history of author analysis”, I pointed out that attempting to draw conclusions about the author of a text based on traits of the text alone has a long tradition in forensics (identifying perpetrators or revealing forgeries), literary studies (authorship identification) and psychology (from psychoanalysis to modern customer/consumer behavior studies). In its modern, machine learning version, psychological author profiling is often based on the ”Big Five” model (see figure 1) going back to McCrae & Costa 1989.

But how do human readers decode and interpret concrete features of text as to its authors personality?

In order to find preliminary answers to this question, I performed a mini-experiment in my lesson on “Communicative … ↪

Attempting to draw conclusions about the author of a text based on traits of the text alone has a long tradition. It has been a topic of interest in forensics (identifying perpetrators or revealing forgeries), literary studies (authorship identification) and psychology (from psychoanalysis to modern customer/consumer behavior studies). In 15th Century Italy, Lorenzo Valla proved the forgery of the Donation of Constantine based on anachronistic word choice (8th, and not 4th, century A.D.) and poor grammar. Contending the authorship of certain texts previously attributed to Shakespeare goes back to the end of the 17th Century and builds on the philological methods stemming from biblical and classic studies, developed in the Renaissance period, analyzing language style (word choice and grammar). In … ↪