Thread by @KenNovak_1, What did you do last summer? For me, it was completing the [...]

What did you do last summer? For me, it was completing the @SPIprogram final report with @kcpolice. @AndrewFox24 Bridgette & I are grateful for all of the assistance from KCPD @CNA_org Tom Keri Chris & @DeckerCrime 1/

Question: Can police reduce crime in violent micro hot spots by implementing a social Network-Based Intervention (NBI)? 2/

NBI = offender-focused approach involving identification of criminal social networks in a geographic area w/ the purpose of strategically interrupting the dynamics of the network through targeted enforcement, diversion, or other actions designed to discourage further crime 3/

#RCT

https://abs.twimg.com/emoji/v2/... draggable="false" alt="✔️" title="Fettes Häkchen" aria-label="Emoji: Fettes Häkchen"> Maryland Methods Scale 5

https://abs.twimg.com/emoji/v2/... draggable="false" alt="✔️" title="Fettes Häkchen" aria-label="Emoji: Fettes Häkchen"> #EBP

https://abs.twimg.com/emoji/v2/... draggable="false" alt="✔️" title="Fettes Häkchen" aria-label="Emoji: Fettes Häkchen"> Rx fidelity

https://abs.twimg.com/emoji/v2/... draggable="false" alt="✔️" title="Fettes Häkchen" aria-label="Emoji: Fettes Häkchen"> @CrimAndyW & @Jerry_Ratcliffe WDD

https://abs.twimg.com/emoji/v2/... draggable="false" alt="✔️" title="Fettes Häkchen" aria-label="Emoji: Fettes Häkchen"> Statistical power

https://abs.twimg.com/emoji/v2/... draggable="false" alt="✔️" title="Fettes Häkchen" aria-label="Emoji: Fettes Häkchen"> @AddyHip 4/ https://link.springer.com/article/10.1186/s40163-018-0085-5">https://link.springer.com/article/1...

A simple weighted displacement difference test to evaluate place based crime interventions

This work proposes a new statistic, the weighted displacement difference (WDD), as a simple test to evaluate crime reductions subsequent to place based interventions taking into account trends in...

https://link.springer.com/article/10.1186/s40163-018-0085-5

What worked? NBI hot spots had

https://abs.twimg.com/emoji/v2/... draggable="false" alt="⬇️" title="Pfeil nach unten" aria-label="Emoji: Pfeil nach unten"> priority calls for service, Total Net Effect = 4 fewer per week. Network structure altered signif due to intervention. Violent networks became less dense. No displacement of crime or calls for service 5/

What worked? NBI hot spots had https://abs.twimg.com/emoji/v2/... draggable=

priority calls for service, Total Net Effect = 4 fewer per week. Network structure altered signif due to intervention. Violent networks became less dense. No displacement of crime or calls for service 5/" title="What worked? NBI hot spots had https://abs.twimg.com/emoji/v2/... draggable="false" alt="⬇️" title="Pfeil nach unten" aria-label="Emoji: Pfeil nach unten"> priority calls for service, Total Net Effect = 4 fewer per week. Network structure altered signif due to intervention. Violent networks became less dense. No displacement of crime or calls for service 5/" class="img-responsive" style="max-width:100%;"/>

What didn’t? Crime in hot spots mostly unchanged. Network density seemed to return to normal after 1 yr 6/

What’s promising: Police & community partners can impact hot spots without signif

https://abs.twimg.com/emoji/v2/... draggable="false" alt="⬆️" title="Pfeil nach oben" aria-label="Emoji: Pfeil nach oben"> enforcement in hot spots by strategically focusing on offenders central to violent networks. But more refining of NBI is needed for sustainability 7/

More details and full text here fin/
http://www.strategiesforpolicinginnovation.com/spi-sites/kansas-city-missouri-2016">https://www.strategiesforpolicinginnovation.com/spi-sites...

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