Interventions

Studies reviewed

Average impact

Certainty of impact

Not evaluated

System readiness

Academic and vocational educational programmes for prisoners

57

Positive effect

High

Not evaluated

4/5

Brief interventions for alcohol misuse in the Criminal Justice System

10

No effect

Moderate

Not evaluated

4/5

Cognitive Behavioural Therapy

58

Positive effect

High

£££

4/5

Cognitive Behavioural Therapy to reduce domestic violence

6

No effect

Moderate

Not evaluated

4/5

Community and custody delivered vocational training and employment programmes

33

Positive effect

High

Not evaluated

4/5

Custodial sentences

5

No effect

Moderate

Not evaluated

4/5

Domestic violence perpetrator programmes

12

Positive effect

Moderate

Not evaluated

5/5

Drug substitution programmes

57

Positive effect

Moderate

Not evaluated

3/5

Drug treatment programmes

15

Positive effect

High

Not evaluated

4/5

Electronic Monitoring

17

No effect

High

Not evaluated

4/5

Good Lives Model

0

Effectiveness not measured

Low

Not evaluated

No evidence/5

Probation supervision

13

Positive effect

High

Not evaluated

4/5

Probation supervision (remote supervision using digital technologies)

0

Effectiveness not measured

Low

Not evaluated

2/5

Restorative justice conferencing

10

Positive effect

High

££

4/5

Risk assessment tools

12

Effectiveness not measured

Low

Not evaluated

4/5

Scared Straight programmes

7

Negative effect

High

£

2/5

Sexual offender treatment programmes

27

Positive effect

Moderate

Not evaluated

4/5

Temporary release schemes (Release on Temporary License)

17

Positive effect

Moderate

Not evaluated

4/5

Unpaid work

21

Effectiveness not measured

Moderate

£££

4/5