I think there would be significantly less debate on these issues if people had a better understanding of statistics, causality, and 2nd order effects. This comment is equivalent to "the tiger has not killed anyone at the zoo, therefore we can get rid of the cage."https://twitter.com/samswey/status/1268541943501463552 …
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Molson Hart Retweeted Samuel Sinyangwe
Worth noting that the person who made this (what I would consider) pretty bad logical error is also behind this celebrated list of research based solutions to police violence.https://twitter.com/samswey/status/1180655701271732224 …
Molson Hart added,
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Molson Hart Retweeted Samuel Sinyangwe
I haven't looked at this study, but I've been on the planet 33 years. From that time I know two things: 1) A lot of studies are total garbage 2) There is no way in hell that body cams don't reduce police violence or at least change behavior.https://twitter.com/samswey/status/1180655705159811073 …
Molson Hart added,
Samuel SinyangweVerified account @samsweyLesson 1. Everything you’ve probably heard is a lie. Specifically, the most discussed “solutions” to police violence have no evidence of effectiveness. For example, Body cams don’t reduce police violence: https://www.pnas.org/content/116/21/10329.short?rss=1 …Show this thread2 replies 0 retweets 3 likesShow this thread -
Replying to @Molson_Hart
The key line from the study, IMHO: "some officers who were assigned cameras did not install or use them, and some officers who were not assigned cameras nevertheless obtained them."
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Replying to @DellAnnaLuca
So, pretty bad selection bias issue right? You've worked with a lot of companies. The idea that oversight doesn't change bad behavior has got to violate every bit of experience you've ever had ys?
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Replying to @Molson_Hart
For sure. The only other possibility that comes to my mind is that officers without a cam “slack more” and thus have less encounters while policing, leading to a lower chance of violence.
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Replying to @DellAnnaLuca @Molson_Hart
Another possibility is that the police chief selects who to send patrolling where, if he has incentives for the study to result in null.
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Good points. Besides the cost and headache of constantly charging body cameras, required use for all officers strikes me as a fantastic improvement to our policing. Would improve officer behavior and the footage could be used to convict more guilty, and free more innocent.
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Replying to @Molson_Hart
Agree. Also, who cares about the study. If the downside is minimal, let’s do it.
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