The Four Temperaments
- Sanguine
- Choleric
- Melancholic
- Phlegmatic
| Classical | David Keirsey | Linda Berens | Meyers Briggs | Patrick Wanis |
|---|---|---|---|---|
| Sanguine | Artisan | Improviser | sensing-perceiving (SP) | Talker |
| Choleric | Idealist | Catalyst | intuitive-feeling (NF) | Doer |
| Melancholic | Guardian | Stabilizer | sensing-judging (SJ) | Thinker |
| Phlegmatic | Rational | Theorist | intuitive-thinking (NT) | Watcher |