Pressure-testing your lesson first helps catch friction points early and launch with confidence. Download the free checklist ...

Whether you select option A or B, your decision stems from an underlying belief about how people learn. Beliefs about learning—once established—tend to be deep-seated, difficult to change, and have a ...

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 ...