The concept of Type A and Type B types were first introduced during the 1950s by cardiologists Rosenman and Friedman, who were interested in how an individuals personality might serve as a predictor for heart disease later on in life.

Who has Type B personality?

Type B personality is characterized by a relaxed, patient, and easy-going nature. Individuals with a Type B personality work steadily, enjoying achievements, but do not tend to become stress when goals are not achieved.

Who created Type A personality?

Meyer Friedman The type A behavior pattern (TABP) was described in the 1950s by cardiologists Meyer Friedman and Ray Rosenman, who argued that TABP was an important risk factor for coronary heart disease.

Who has invented type C personality?

Who Invented Type C Personality? The DISC theory was developed by psychologist William Moulton Marston and the assessment tool was created by industrial psychologist Walter Vernon Clarke. The type C personality is one of the four behavior types determined by the DISC personality assessment.

Whats a Type C personality mean?

People with type C personalities tend to struggle with awareness of positive or negative emotions. Others might see you as a logical, private person who always keeps their cool. Difficulty expressing your own emotions can also make it challenging to understand the emotions and body language of others.