I know there is a ton of conflict over this topic. This is a project I started in response to a discussion on the INTJ facebook group. The purpose of this is to collect data, not to draw concrete conclusions. Please take the 2 minutes to complete this form.
Blood Type and MBTI Relationship
As for discussion, what do you predict the data to show and why?
And to make it more interesting, under what circumstances might you be incorrect?