Friedman and Rosenhan
- Type A personality (competitive and outgoing) are more likely to develop CHD than type B (relaxed and expressive
- 12yr study of 3500 middle aged men, who were interviewed about how they react to certain situations their motivation for success and how competitive they are in order to place them into a personality type. During the study 257 developed CHD and 70% of those had a type A personality.
evaluation
- Hostility may be more important, those who repress it rather than express it are more likely to develop CHD
- Type A personality type is too broad
- Only male participants used
- Correlational study