PITTSBURGH — Taking fun online quizzes as you scroll through social media can be awfully tempting. “What age will you get married at? I’ve taken a bunch of those,” laughed 21-year-old Alexis Krull, ...

We have all been curious about ourselves. As we glance through Facebook or social media, a quick quiz might catch our eye and in a few brief questions we can discover our best partner, or which flower ...