Type A individuals tend to be very competitive and self-critical. They strive toward goals without feeling a sense of joy in their efforts or accomplishments.

Inter-related with this is the presence of a significant life imbalance. This is characterized by a high work involvement. Type A individuals are easily 'wound up' and tend to overreact. They also tend to have high blood pressure (hypertension).

Tend to be cooperative, sensitive, clever, passionate and smart. Often bottling up anxiety in order to get along with others, they may hold in their emotions until they explode. Many are tense, impatient and unable to sleep well. While they are capable of leadership positions, they may not take them because the stress is not good for their tightly wired systems. In Japan many "A"'s are in research. They have roles in discovering more about and refining science, economics, manufacturing, etc. Their research on microflora and other areas of medicine is some of the best and most meticulous in the world. They are perfectionists to say the least. This quality shows up in their perfecting electronics like TV's and also less expensive more efficient cars that were originally created here in the US.

Type A personalities experience a constant sense of urgency: Type A people seem to be in a constant struggle against the clock. Often, they quickly become impatient with delays and unproductive time, schedule commitments too tightly, and try to do more than one thing at a time, such as reading while eating or watching television.

ype A individuals tend to be easily aroused to anger or hostility, which they may or may not express overtly. Such individuals tend to see the worse in others, displaying anger, envy and a lack of compassion.

When this behavior is expressed overtly (i.e. physical behavior) it generally involves aggression and possible bullying (Forshaw, 2012).

Best Traits: Conservative, introverted, reserved, patient and punctual. Perfectionists.

Worst Traits: Obsessive, stubborn, self conscious and uptight.

Famous As: George H. W. Bush, Ayumi Hamasaki, O.J. Simpson, Britney Spears, Alan Alda, Adolf Hitler, Lyndon B. Johnson, Richard Nixon, Jet Li, Maki Nomiya, Rick James

A is most compatible with A and AB.