Double or triple the number of diagnostic questions for more accurate results
With Myers/Briggs, Enneagram, Right Path, Strengths Finder, all of them have substantially more questions and thus far more accurate results. I understand this system is still in beta, but it was so inaccurate as to be useless.
We have additional sets of questions coming soon!
Five Labs gets tells you a person's Big Five personality traits from anayzing their facebook
Heikal Kahfi commented
people may change, i can't explain better, but new more reliable question should update the old answer
1. you could pull the user's personal info from social networks etc and an algorithm(s) could determine what is relevant based on likes, music, interests, maybe certain posts etc.. and then the data could be compiled and used to detrmine info on their strength canvas!?
2. get a psychologist to implement some behavioral questions/tactis