I don't understand the pleasant/unpleasant faces one. I rated almost everybody neutral because I don't understand. Then it showed me pictures of David and James and what animals they like and don't like. David hated animals, James loved them all. Then it asked me who I liked better. I wasn't decided on either one, all I know about them is one likes animals and one doesn't. How am I supposed to know how friendly they are? At any rate, it did detect a slight bias for James. These tests assume I make assumptions. Well, I do, but not in such a straightforward manner.