Like the Pairs test, Aliens is a very culture reduced test of conceptual reasoning. It is culture reduced because it’s not about America or any other culture on Earth, but rather about 12 “men” on an imaginary planet. Because no one has ever been to this planet, it hopefully measures largely novel problem solving or fluid ability as it is sometimes called.

Like the Pairs test, this test measures the ability to categorize but unlike the Pairs test, one must also identify the number of categories and even subcategories, a skill I’ve never before seen measured on an IQ test, but one that is dear to the author’s heart.

You can take the test here. Feel free to register with a fake name (email optional).