A couple of weeks ago in math club, everyone took a Myers-Briggs personality type test. Today, they split into groups and took surveys of people: hot or cold wather? Would you rather write a book or a speech? Would you choose rock, paper, or scissors if your life depended on it? (I chose scissors.)
Then, students correlated the data to the different personality types and came up with interesting ways of representing it. A dozen students sat around in my room gathering data and thinking about ways of representing it. It was great.
The best part is that math club is entirely student-led. The leader heard about how Harvey Mudd had dome some surveys similar to this and wanted her peers to think about it, too. I love her initiative.