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![Page 1: Learning by testing: Case study Turning Point Project Peter Neyroud, Institute of Criminology, University of Cambridge.](https://reader038.fdocuments.in/reader038/viewer/2022110319/56649c6e5503460f94921527/html5/thumbnails/1.jpg)
Learning by testing: Case study Turning Point
ProjectPeter Neyroud,
Institute of Criminology, University of Cambridge
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Overview of Turning Point Turning Point outline
Learning from testing: 5 innovative approaches
Lessons so far
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Operation Turning Point Overview
Hypothesis is that police can prevent crime by a combined treatment Holding a prosecution over the offender
(Deterrence)Agreeing a contract to support the offender to
stop offending (Desistance)But insisting on compliance in return for non-
prosecution (Deterrence) Treatment is a deferred prosecution with
conditions, targeted at the 60+% of offenders who can be assessed as a “low risk of serious harm”’
Method is an Randomised Controlled Trial
3
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Operation ‘Turning Point’• Sample: offenders whom the police have decided to
prosecute, who are:• Low risk offenders
• Who have no previous conviction (they may have previous cautions or other diversions)
• or one prior conviction (more than 5 years ago if an adult and 2 years ago if juvenile).
• And offence is not likely to result in instant prison sentence
• Randomly assigning them to prosecution or police offender management
• Developing and testing a standard protocol of tactics for police offender management
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Sample of offenders whom the police have decided to prosecute.
Prosecution
Turning Point
Comparing like with like:Measure reoffending, cost, victim satisfaction
Random assignment
The Turning Point Experiment
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Turning Point Phases
424
204
55
10
Phase 1 – Court only
Phase 2 – TPP only
Phase 3 – Randomised: Low Treatment as Assigned
Phase 4 – Randomised:High Treatment as Assigned
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Turning Point: a complex RCT A lot of “moving parts” are inevitable in a
pipeline experiment testing treatments for offenders
Data is complex, processes are complex and journey is extended and bumpy
This type of experiment requires:Embedded researcher modelAcademic-Police partnershipA “coalition” of effort
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Adult (337)
Juvenile (87)
Personal Victim (260)
200 60
No Personal Victim (164)
137 27
Final sample
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Turning Point Conditions
Desistance Deterrence
Restoration/Reparation 65% Compensation 40% Community Payback 36% Letter of Apology 20%
Rehabilitation 58% SMART Team 36% Employment 16% Mental Health 11% Housing 5% Anger management 2% Debt 2% Drug Search 2%
Movement Constraint 33% Exclusion Zone 27% Not to Contact Victim 15%
Requirement to comply with contract and stop offending under threat of prosecution
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Learning by testing: 4 Innovations
Algorithmic policing Practitioner Randomization Guided Discretion Victims team and the victim’s script
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Innovation No 1: Algorithmic policing Using a computer based triage algorithm
to guide discretion Cambridge Gateway has been
developed to be a triage tool to sort offenders suitable for Turning Point Treatment.
17000+ cases to be analysed Question 14/17 allows analysis of
discretion decisions
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Question 17:
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Academic-Police partnership Gateway designed by research team Piloted in custody Revised by Custody Officers Reviewed by Prosecutors Tested in 2 Stages Revised by Research team and Police
project team Before final Stage 4
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Innovation No 2: Practitioner randomisation Cambridge Gateway has been
expanded to be a user tool for randomisation
Advantages: practitioners owning the randomisation process
Disadvantages: maintaining consistency Advantages: ownership by practitioners
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Innovation No. 3: Guided Discretion
Finding a “professional” balance between two traditional models of discretion and control:Field discretion fettered only by principles
and trainingStanding Operating procedure model in
which discretion is fettered by detailed procedures
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Decision-Making: A Third Way Question 17, Portal, LS-CMI
Supported Decision-Making
Officer
Discretion
Prescribed Decision-Making
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Early Rehabilitative Conditions
0%20%40%60%80%
100%
65%
86% 88%81%93% 85%
39% 47% 50%
ActionMeansQuantity
40% of cases 3 for 3 (n=155)
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Professional Decision Support IT
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Innovation No 4: The Victims team Experimenting with how to overcome the
service gap between organisational intent and victim experience
Using the lessons from Restorative Justice researchTo create a ‘victim’s script’ to engage and
encourage participationTraining a small cadre of officers to deliverTesting with an RCT within an RCT.
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Turning Point: learning to test Using Turning Point as a field case
study of learning by testing Interviewing a sample of the officers
taking part
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Leadership
Police Science Education
Force priority
Relationship with researchers
ProfessionalSkills
PractitionerPeer group
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