Criminal Justice Statistics / Predictive Policing

PREDICTIVE POLICING

Directions:  Read this story (http://www.huffingtonpost.com/2014/02/25/chicago-police-home-visits-_n_4855319.html) and watch the videos

 

http://www.youtube.com/watch?v=VVQdehQzIOU&list=PLsRNoUx8w3rPA1NEuC4rajDHM2F56eK8n

http://www.youtube.com/watch?v=bsUcQCvkUho&feature=youtu.be

  1. Why did Santa Cruz turn to predictive policing? (short answer)
  2. How effective was predictive policing in Santa Cruz?
  3. 12% decrease in auto thefts
  4. 62% decrease in property crimes
  5. 33% decrease in all crimes
  6. 19% decrease in burglaries

From Dr. Brantingham’s talk

  1. How large are the typical prediction boxes?
  2. 50 ft*50 ft
  3. 100 ft*100 ft
  4. 500 ft*500 ft
  5. 5 miles*5 miles

Short answer questions—please answer these questions in 1-4 sentences for each question.

  1. What type of information is input into PredPol?
  2. Give a two of examples on what type of data are not input into PredPol.
  3. Why are police departments moving to predictive policing rather than hot spot policing? (short answer)
  4. When discussing the results from the LAPD experiment, Dr. Brantingham states that there were three research questions their data could address: (a) what were the three research questions, and (b) what were the results for each question.
  5. An audience member asks what other data Dr. Brantingham would incorporate to increase the predictive accuracy of the model.  What would be the next line of data he would include to increase predictive accuracy?
  6. An audience member asks whether the aggressiveness of the officer has anything to do with the success of the experiment.  What is Dr. Brantingham’s response?
  7. An audience member asks how does PredPol help with police legitimacy.  What is Dr. Brantingham’s response?
  8. True or false: Predictive accuracy is greater in rural locations than urban locations.
  9. What is your reaction to the story in the Huffington Post on home visits in Chicago?  Do you believe that the visits are racially profiling residents?  In Dr. Brantingham’s talk, he spoke of how police could preventively visit victims and offenders to offer social services, as shown here—is this an appropriate way to use the information?  What other strategy would you suggest in using this information?  Please answer in 4-8 sentences.
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