| Primary Functions (Strengths and Motivations) | Shadow Functions (Sources of stress) |
| Ingrained: Extraverted Thinking (Te) | Introverted Thinking (Ti) |
| Associative: Introverted Intuition (Ni) | Extraverted Intuition (Ne) |
| Exploratory: Extraverted Sensing (Se) | Introverted Sensing (Si) |
| Regulatory: Introverted Feeling (Fi) | Extraverted Feeling (Fe) |
The ingrained nature of ETN is extraverted thinking, which means they are constantly scanning their external environment to see if anything needs to be done in order to keep things running smoothly. If anything needs their attention, they can quickly spring into action and attend to things in a efficient and functional manner.
The associative function of ETN is introverted intuition, which help the ETN understand cues and read between the lines to get the big picture. Combined with Te, they can quickly figure out efficient or innovative means to complete a task. It also enables them to be in a lookout for potential problems, which then they use their Te to solve. But when they find themselves in unfamiliar environments or in positions of inferiority, associative Ni can often churn up worst case scenarios because of the lack of prior information, which tends to make them alert or nervous. Again they use their Te well in these scenarios, addressing whatever that is needed to keep them at ease. They tend to get bogged down easily when feeling unhealthy.
The exploratory of ETN is extraverted sensing, which means they are always on the lookout for new sensations. Food, meeting people and visiting different places – all arouse their interest. Combined with associative Ni, they might be on guard while trying out new things though.
Regulatory of ETN is introverted feeling, so they value internal ethics and may expect the same from everyone. They value efficiency themselves and don’t feel sympathetic towards inefficient people. In their mind, it is okay to be punished for making mistakes repeatedly, which applies more to others as they are less likely to be in such situations thanks to their Te and Ni. If they make mistakes, they tend to be harsh on themselves as well. Due to the influence of Ni, they tend to associate feelings towards people and things that brought them success and thus can be a bit sentimental.
Type codes in other systems: ENTJ (MBTI), ENTj (Socionics)