Griebie and Immelman assembled open-source material on Biden, then conducted empirical ratings of his personality using the Millon Inventory of Diagnostic Criteria (MIDC). In August of 2020, host Sean Hannity of Fox News expressed concern about the apparent confusion, fatigue, rapid aging, and cognitive changes he said he could see in Biden. Reading a well-researched biography can provide a deep and textured understanding of a candidate and his life—including how he or she has developed over time and in a political context.

Outside the glare of the media, one can turn to the groves of academe for careful study of Biden's personality. Last year Immelman’s group used the PEI to assess the candidates’ personality traits, comparing Trump with all of the Democratic primary candidates, including Biden and Harris. Accessed on September 21, 2020 at Anne Marie Griebie and psychologist Aubrey Immelman of the College of St. Benedict and St. John’s University have recently conducted an empirical study of Biden’s public personality. Griebie, Anne Marie, and Aubrey Immelman (2020). Accessed on September 19, 2020 at This is an unusual combination, one they have not found in the 2020 Democratic nominees.

John Martin-Joy, M.D., is a psychiatrist in private practice in Cambridge, Massachusetts. This kaleidoscope of traits adds up to a style that the group sees as “high dominance charismatic.” It is not clear how Immelman believes a candidate with such a personality will get along with the outgoing and accommodating Biden. Fox News.

In Ex FG 1, Box 17, White House Central Files, LBJ Library, Austin, Texas. “A popular Government, without popular information, or the means of acquiring it,” he said, “is but a Prologue to a Farce or a Tragedy.”, A people “who mean to be their own Governors," said Madison, "must arm themselves with the power which knowledge gives.”. September 1, 2020. In some ways, the group’s evaluation of Biden resembles their past findings about Barack Obama, whom they found also showed accommodating traits.

Readers interested in learning more about Biden might try Witcover’s Joe Biden: A Life of Trial and Redemption, which explores multiple episodes of loss and persistence in Biden’s life. Their Biden profile is the latest in a long and systematic series of at-a-distance evaluations of presidential candidates conducted by Immelman’s group since the 1990s.