By Japanese standards, that makes Matsuzaka a warrior and thus someone quite capable of striking out Alex Rodriguez, or perhaps Derek Jeter, with the bases loaded next summer. The association is akin to the equally unscientific use of astrological signs by Americans to predict behavior, only more popular. It is widely believed that more than 90 percent of Japanese know their blood type. So I think Japanese might be much more predisposed to thinking about a kind of genetic basis for personality than most Americans would. Japanese popular culture has been saturated by blood typology for decades. Dating services use it to make matches.
BBC Sport (International version)
BBC News - Dating by blood type in Japan
People in most parts of the world do not think about their blood group much, unless they have an operation or an accident and need a transfusion. There is a widespread belief that blood type determines personality, with implications for life, work and love. It is Saturday night and a speed dating session is under way in a small building in the backstreets of Tokyo. The room is brightly painted in red and white, the staff upbeat and enthusiastic, but the conversations are rather stilted.
Typecast - Japan's obsession with blood groups
This type-A individual might also be more likely to find those of us in blood group B irritating we are said to have a do-it-our-own-way attitude and be curious, but sometimes insensitive to others. The study supposedly had a big influence on the organization of the Japanese army during World War II, making blood type classification common in Japan thereafter. This, in turn, has resulted in the huge popularity of blood type fortune-telling in modern-day Japan and by extension, certain other parts of Asia. Despite its popularity, however, most scientists and psychologists nowadays insist that there is no link between blood type and personality. In , Kengo Nawata of Kyoto Bunkyo University did a study on this relationship through a secondary analysis of large-scale survey data sampling from over 10, people from both Japan and the United States.
Failed yet another job interview? Unable to meet the right man or woman? Don't blame your parents.