What is the author's style in No Ordinary Time by Doris Kearns Goodwin?

Doris Kearns Goodwin studied at Harvard University in the 1970s, when the History Department there had turned to "psycho-history." She learned her profession from writers like, Erik Erickson and Fawn Brodie, who produced books that were part-history and part-psychology about Richard Nixon, Thomas Jefferson, Martin Luther, and other great historical figures.