BFI-32
To interpret your scores, view the university undergraduate norms
here, and the
score interpretation form here.
A computer scored, free, online measure of the Big Five personality dimensions
can be done
here.
A detailed description of the Big Five, including an overview of the
discovery of the Big Five Model, plus links to the original, 44-item,
Big Five Inventory (BFI) can be found
here.