If you’ve ever felt that pang of doubt while building a product — and it’s lingered even up until its release — you’re not alone. Director of Core Product at Slack and a former Group PM at Twitter Paul Rosania has battled through uncertainty while working on hotly-disputed features like Twitter’s ranked timeline and Slack’s Threads. His best advice to diffuse doubt? Deconstruct the feature by working down a hypothesis tree (below). Establish your hypothesis at the top and list supporting beliefs that contribute to it being true below. Each branch should be an independently verifiable hypothesis, where evidence for …