I am very much an introvert, although I tend to score in the middle on most tests. I think that western society tends to put a lot of emphasis on extroverted behaviour, to the point where it is seen as "normal" (by its very nature, extrovert behaviour is far more visible)

Strange that you also experience this, since while I lived in Denmark, I found it to be a very introvert-friendly country

At some point, I might post a more in-depth post based on my understanding of introversion and how it works...