| Core structure | Four temperament families plus blended subtypes. | Sixteen types built from four preference pairs. | They are not one-to-one systems. |
|---|
| Best use | Fast self-reflection around drive, pace, conflict, and emotional style. | Language for preferences in energy, information, decisions, and outer-world structure. | Choose the model that fits the conversation you need. |
|---|
| Result format | Primary temperament and likely blend, such as choleric-sanguine. | Four-letter type code, such as ENFP or ISTJ. | A similar person may receive useful but different labels. |
|---|
| Responsible limit | A practical lens, not a fixed identity or diagnosis. | A preference framework, not a measure of ability or worth. | Use both for reflection, not prediction or gatekeeping. |
|---|