The S in the INVEST mnemonic is a reminder to make your user-stories small. The trick is in knowing how small is small enough. The rule here is to make the story as small as possible, yet that it retains some measurable amount of intrinsic value — something that, when demonstrated to the end users, they’ll agree is an improvement to the system. Conversely, Continue reading User-Story Sizing: How Small is Small Enough? →