After someone learns about Myers-Briggs® types and starts taking online tests, one question that often comes up is how to tell the difference between two similar types. Maybe the tests you took gave you a couple different results. Or maybe you started reading about the types and discovered more than one sounds a lot like you. If you’re trying to decide whether you’re more of an INFJ or an INTJ type, I hope this article will help.
I’m an INFJ and my sister is an INTJ, and we’re both fairly typical examples of our types. Looking at the two of us it’d be almost impossible not to tell the difference between our personalities. But there’s also a huge amount of similarities between our two types — especially for what’s going on inside our heads and also how we respond to stress.
Just looking at the names of these personality types, we might think that the only difference is that one’s a Thinking type and the other Feeling. That’s true, but it’s not the full story. When we dive deeper into the cognitive functions that describe the mental processes each Myers-Briggs® type uses, it becomes easier to see the differences and similarities between these types more clearly. If you’re not familiar with cognitive functions, click here to read “The Simplest Guide to Myers-Briggs® Functions Ever.” INFJ and INTJ share the same Intuitive and Sensing functions, but have different Thinking and Feeling functions, as shown in this graphic:
The way these cognitive functions work together makes INFJs and INTJs very different in certain ways and very similar in others. The two types can often find lots of common ground and make great friends. And there are also several key differences in how they approach the world that makes it possible for us to tell them apart. Read more