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The Perils and Benefits of AB Testing | Casey Accidental

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Bob, our head of product design at Pinterest, asked me to write up a post on the perils and benefits of AB testing after reading my post on building cross-functional teams. This is me obliging. One thing it is never difficult to do is to convince an engineer to do an experiment. In general, this is a good thing. Famous engineer W. Edwards Deming said, “In God we trust, all others bring data.” AB experiments generate data, and data settles arguments. AB experiments have helped us move from product decisions made by HIPPO (highest paid person’s opinion) to those made by effectiveness. We build better products as a result that delight more people. An AB experiment culture can also have a dark side though. Once people figure out that AB experiments can settle disputes where multiple viewpoints are valid, that fact can lead people to not make any decisions at all and test everything. I liken this type of approach to being in a dark room and feeling around for a door. If you blindly experime

Bob, our head of product design at Pinterest, asked me to write up a post on the perils and benefits of AB testing after reading my post on building cross-functional teams. This is me obliging. One thing it is never difficult to do is to convince an engineer to do an experiment. In general, this is a good thing. Famous engineer W. Edwards Deming said, "In God we trust, all others bring data." AB experiments generate data, and data settles arguments. AB experiments have helped us move from product decisions made by HIPPO (highest paid person's opinion) to those made by effectiveness. We…

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