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> Against all expectations, there was no significant difference in complaints between officers wearing cameras that week and those going without. Is no one els
by losvedir 10y ago
> Against all expectations, there was no significant difference in complaints between officers wearing cameras that week and those going without.
Is no one else alarmed by this? Maybe I'm jaded by A/B testing, but if the A doesn't win or lose to the B, then I generally chalk up the effect as exogenous. Could it not be something else - anything else - that changed the number of police complaints from one year to the next?
- devindotcom 10y agoThey mention this in the paper. The chance of all 7 depts changing their reporting simultaneously is pretty vanishing. Much of the paper is dedicated to understanding the cause of the lack of difference between experimental groups, check it out.