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Aubrey Immelman and his summer research assistant Joe Trenzeluk presented summaries of the psychological profiles of Republican contenders in the 2016 U.S. presidential election (including Jeb Bush, Ben Carson, Chris Christie, Ted Cruz, John Kasich, Marco Rubio, Donald Trump, and Scott Walker) and outlined the leadership implications of those profiles. In addition, the presenters discussed the personality profile of Democratic front-runner Hillary Clinton and compared the candidates’ scores on the locally developed Personal [Presidential] Electability Index (PEI), which has accurately predicted the outcome of every presidential election since 1996.


The research was conducted at the Unit for the Study of Personality in Politics (USPP), a collaborative faculty–student research program in the psychology of politics at St. John’s University and the College of St. Benedict in Collegeville and St. Joseph, Minnesota, directed by Aubrey Immelman, Ph.D., associate professor of psychology, who specializes in the psychological assessment of presidential candidates and world leaders.

View the Presidential Electability Index election-outcome projection

View the personality profile of Donald Trump

View the personality profile of Hillary Clinton