I haven't taken the tests referred to in this thread, but every other personality test I've taken has said I was an an introvert. And I can basically recognize myself as an introvert. I am not a recluse. I don't necessarily want to be alone all the time. I like living alone in my own space, and I anticipate that this is how I will live the rest of my life. And believe it or not, I have actually considered what it would be like to be a recluse or a hermit. But that idea doesn't appeal to me. I want regular human contact, but I very much like living alone.
I'm fairly comfortable with being a quiet introvert. It is discouraging at times that most people seem to be drawn to extroverts and are sometimes even suspect of quiet people. I try to be a little more outgoing without making the mistake of attempting to be something that I am not (for example, the life of the party). But I am perfectly happy hanging out with a few people and having a half hour or so go by without any words being exchanged. Unfortunately, for many other people, that makes them uncomfortable. So depending on the situation, I'll come up with something meaningless to ease their discomfort.