A common problem online is people not completing the checkout process — whether that’s buying a product or finishing a donation form. To help donors, or shoppers, complete the transaction, ...

This bold social experiment forces people to confront a question they’re never prepared for: would they let a stranger live with them? The reactions reflect micro-expressions, trust cues, and ...

People with health anxiety tend to get tangled up in problematic behaviors, such as reassurance-seeking, excessive body checking and avoidance. These behaviors act like a vortex, sucking you into that ...

Dr. Weatherby is the director of the Digital Theory Lab at New York University. It’s hard to walk a block or finish a morning coffee without encountering some system that attempts to tell you what to ...