* 1. An attention check question is designed to ensure that people are at high attention throughout, or they're disqualified. An attention check question is a question that seems deceptively easy if you're just skimming, but I insert instructions like "make sure to select orange for this answer so that we know you are paying attention" in the middle of the copy of the question. If they do not answer orange, then they are disqualified. Try it for yourself.

What color is the sky?