Every note in the archive that names A/B Testing: summaries, key takeaways and links to the original essays, episodes and posts. Ask a question below to get a cited answer from just these notes’ authors.
Cagan argues that product optimization, typically A/B testing and iterative tuning, is often confused with product discovery, and that optimization only makes sense after a team has found product/market fit. He…
“A lot of people are up in arms about a research study that was published in the latest issue of the Proceedings of the National Academy of Sciences (PNAS). I’m talking about the Facebook social contagion study. But Facebook didn’t do anything wrong. And neither did PNAS by”
Marty Cagan argues that prototyping is not one thing: teams often narrow the term to whichever prototype type they first encountered, and then misuse it. He lays out four main flavors: feasibility prototypes that answer…
Marty Cagan argues that product discovery and rapid test-and-learn techniques, which startups use, apply equally to established companies. Startups have no legacy to protect, so they can take big risks cheaply…
Marty Cagan and Jeff Patton argue that product teams should be judged by the outcomes they generate rather than the output they ship. The article offers a practical checklist of questions to diagnose how strong a…
Marty Cagan contrasts the traditional PC-era product manager with the modern Internet-era product manager. He argues that many organizations still operate with the older model, which was often ineffective and poorly…
Teresa Torres argues that many startups treat product management as little more than turning feedback into a feature list, and that the discipline remains underdeveloped. She notes that teams know valuable research…
Cagan argues that product teams need two distinct disciplines: Product Discovery, which uses prototyping and user testing to find new valuable, usable, feasible solutions, and Product Optimization, which improves an…
A guest post from GiveDirectly's team, shared alongside a Giving Tuesday fundraising appeal, walks through the experiments that raised roughly $3 million more in donations per year. It covers winning tests like faster…