The original theory had four possible types: Secure, Preoccupied, Dismissing, and Fearful. I've subdivided these into 13 different personality types for maximum accuracy. Also, my own amusement.
Your attachment style can change over time, depending on your experiences and attitudes. You probably had a different attachment style in childhood than you do now. Answer all the questions according to who you are now rather than who you were then. Or who you think you're becoming.
Note: Scoring now skewed to accommodate the effects of the social desirability bias. We can't all be unicorns.