Raymond S. Nickerson 
Aspects of Rationality [PDF ebook] 
Reflections on What It Means To Be Rational and Whether We Are

What does it mean to be rational , to reason well and effectively? How does rationality, broadly conceived, relate to the knowledge one acquires, the beliefs one forms, the explanations one constructs or appropriates, the judgments and decisions one makes, the values one adopts? What is the character of human reasoning and, in particular, does it t