Personality and character
Who are these guys? personality characteristics of presidents, founding fathers, Democrats, and Republicans
Predicting presidential success (with Deniz S. Ones)
Andrew Jackson, Lyndon Johnson, and Richard Nixon
John Adams and Woodrow Wilson
Dwight Eisenhower and Gerald Ford
Warren Harding and Ronald Reagan
Harry Truman and George H.W. Bush
Thomas Jefferson, Abe Lincoln, and Jimmy Carter
Theodore Roosevelt, Franklin Roosevelt, and John Kennedy
George Washington and Bill Clinton
