Explore Capsules

Hard feedback can either sharpen someone's performance or quietly end their trust in you. The techniques agree on making criticism specific, timely, and private, but part ways on tone, timing, and how collaborative the conversation should be. Weigh what preserves the relationship while still changing behavior, and pick the method that fits your team.

The exaggerated singsong adults use with infants looks silly but may be doing serious work. These approaches differ on the mechanism and the proof: how parents adjust speech to a baby's feedback, which sounds hold infant attention, and whether the research leans too hard on narrow Western samples. Comparing them shows what we truly know about talking babies into language.