Asking “Why?” may be a favorite technique of your 3-year-old child in driving you crazy, but it could teach you a valuable Six Sigma quality lesson. The 5 Whys is a technique used in the Analyze phase ...

Palantir CEO Alex Karp swears by a method that helps employees get to the root of a problem. Karp has said the Five Whys method "can often unravel the knots that hold organisations back." The approach ...

Planning is a key part of staying productive, but it has to be done right. To succeed, you need to understand why previous attempts at planning didn’t pan out. Conducting a personal after-action ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...