Full disclosure: I have no chill when it comes to Harry Potter. Despite my great bias, I still think this pscyometrically-created (with help from psychologists and Time Magazine's Chris Wilson!) Hogwart's House Sorter is a great example for scale building, validity, descriptive statistics, electronic consent, etc. for stats and research methods. How to use in a Research Methods class: 1) The article details how the test drew upon the Big Five inventory. And it talks smack about the Myers-Briggs. 2) The article also uses simple language to give a rough sketch of how they used statistics to pair you with your house. The "standard statistical model" is a regression line, the "affinity for each House is measured independently", etc. While you are taking the quiz itself, there are some RM/statsy lessons: 3) At the end of the quiz, you are asked to contribute some more information. It is a great example of a leading response options ...