Hmmm, I'm a:
Planner, not Spontaneous. Check
Facts, not an Ideas person. Check
Head, not a Heart person. Check
Introvert, not an Extrovert. Check
So, accordingly to the BBC, I'm a Realist and I tend to agree with them.
Here's the link to the 20 question test if you want to find out what your personality type is.
Thanks to Don's Patch for the link.