Things That Can't Be Taught By Roger C. Schank July 17, 2009 Most people would agree that personality cannot be changed. Children are born with distinct personalities. Mothers often compare their children by saying, "They even behaved differently in the womb!" One child is aggressive while the other is contemplative. One is constantly talking while the other hardly says a word. The study of personality falls into the realm of psychology, although it's difficult to be very scientific about such things. In psychology, there are five major traits, known as the "Big...