Custodial Sentencing | AQA A-Level Psychology Revision

Revision Notes
Aug 7
29 min read

Updated: Aug 14

For 7182 specification, first teach in September 2025

AQA A-Level Psychology | Free Revision Notes

Estimated study time: 65 to 80 minutes

Custodial sentencing A-Level Psychology revision examines why courts send offenders to prison and the possible psychological consequences of imprisonment. You will study the four main aims of custody: deterrence, retribution, rehabilitation and incapacitation. You will also explore institutionalisation, brutalisation, mental-health difficulties, labelling and recidivism.

The key issue is whether custody protects society and changes offending behaviour or whether prison can make rehabilitation more difficult. This lesson prepares you for using reinforcement to change behaviour in prison [Lesson 11: Behaviour modification in custody].

The AQA specification requires knowledge of both the aims and psychological effects of custodial sentencing.

Learning Objectives 🎯

By the end of this revision page, you should be able to:

Define custodial sentencing and recidivism.
Explain deterrence, retribution, rehabilitation and incapacitation.
Distinguish general deterrence from individual deterrence.
Explain institutionalisation, brutalisation and mental-health effects.
Apply the aims and effects of custody to unfamiliar scenarios.
Evaluate whether custodial sentencing successfully deals with offending.
Compare custody with rehabilitation and community-based alternatives.

Revision Notes 📚

Custodial Sentencing A-Level Psychology Revision Focus

A custodial sentence is a court sentence requiring a convicted offender to spend time in prison or another secure institution.

Custody removes the offender from ordinary community life and places them within an environment characterised by:

Restricted freedom.
Formal rules.
Fixed routines.
Reduced autonomy.
Separation from family and friends.
Contact with other offenders.
Supervision by prison staff.
Possible access to education and rehabilitation.

Custody can therefore have both intended and unintended effects.

The Four Aims of Custodial Sentencing

The four principal aims are:

Deterrence
Retribution
Rehabilitation
Incapacitation

AQA’s June 2025 mark scheme identifies all four and requires students to explain the selected aim rather than merely name it.

Aim	Central purpose
Deterrence	To discourage the offender and other people from offending
Retribution	To punish the offender and demonstrate that justice has been done
Rehabilitation	To change the offender so that future offending becomes less likely
Incapacitation	To protect the public by removing the offender from the community

These aims can operate together.

For example, the same sentence may:

Punish the offender.
Protect the public.
Warn other potential offenders.
Provide treatment intended to reduce reoffending.

However, the aims may also conflict.

A harsh environment intended to punish may make rehabilitation more difficult.

Deterrence

What Is Deterrence?

Deterrence means discouraging offending through the threat or experience of negative consequences.

The principle is:

If the costs of offending appear sufficiently serious, people will be less likely to offend.

A custodial sentence may act as:

Individual deterrence, discouraging the sentenced person from reoffending.
General deterrence, discouraging other members of society from committing similar offences.

Individual Deterrence

Individual deterrence is sometimes called specific deterrence.

The offender directly experiences:

Loss of liberty.
Separation from family.
Restricted choices.
Loss of employment.
Prison routines.
Possible stigma after release.

The intention is that the offender remembers these consequences when considering future offending.

The process is:

The offender commits an offence.
The offender receives a custodial sentence.
Imprisonment is experienced as unpleasant.
The offender associates offending with serious negative consequences.
Future offending becomes less likely.

Applying Individual Deterrence

Consider this scenario:

After serving a prison sentence, Freya says that the loss of contact with her children was extremely distressing. She decides that she will not offend again because she does not want to return to prison.

This is consistent with individual deterrence because:

Freya personally experienced the consequences.
The loss of family contact was unpleasant.
She now connects offending with imprisonment.
The memory of custody discourages reoffending.

General Deterrence

General deterrence is aimed at the wider population.

When other people observe that an offence leads to imprisonment, they may decide that the possible reward is not worth the risk.

The process is:

A custodial sentence is imposed.
Other people become aware of the sentence.
The punishment demonstrates the consequences of offending.
Potential offenders reconsider their behaviour.
Similar offences may be prevented.

Conditions Needed for Deterrence

Deterrence is more likely to operate when people believe that punishment is:

Likely.
Serious.
Applied consistently.
Closely connected with the offence.
More costly than the reward gained.

Deterrence may be weaker when:

The offender acts impulsively.
The offender does not expect to be caught.
The offence occurs during intense emotional arousal.
Substance use affects judgement.
The person does not know the likely sentence.
The immediate reward seems more important than a future punishment.

Deterrence and Moral Reasoning

A person reasoning at the pre-conventional level may be particularly influenced by punishment.

This connects with judging offending through punishment and reward [Lesson 7: Moral reasoning].

However, if the person believes that detection is unlikely, the possible custodial sentence may have little deterrent effect.

Evaluating Deterrence Through Recidivism

Recidivism means reoffending after punishment or intervention.

High levels of reoffending may suggest that custody has failed to provide:

Individual deterrence.
Successful rehabilitation.
Long-term behavioural change.

The current AQA mark scheme accepts high recidivism as a central argument against the effectiveness of custody.

However, recidivism should be interpreted carefully.

A reconviction may reflect:

Failure of deterrence.
Failure of rehabilitation.
Homelessness or unemployment after release.
Return to pro-criminal peers.
Addiction.
Mental-health difficulties.
Increased police attention.
Limited lawful opportunities.

Custody may therefore be one part of a much larger causal process.

Retribution

What Is Retribution?

Retribution means that the offender receives punishment in response to the harm caused.

The principle is:

A person who deliberately breaks the law should experience a consequence proportionate to the seriousness of the offence.

Retribution is concerned primarily with:

Punishment.
Justice.
Moral responsibility.
Recognition of the victim’s harm.
Society demonstrating that offending is unacceptable.

It is not primarily concerned with changing the offender.

Justice Being Seen to Be Done

A custodial sentence may reassure:

Victims.
Victims’ families.
The wider community.
Members of the criminal justice system.

The sentence communicates that:

The offence is taken seriously.
The victim’s suffering has been recognised.
Serious law-breaking has consequences.
Social rules will be upheld.

AQA describes retribution as allowing the victim, family and wider society to see that justice has been done.

Proportionality

A retributive sentence should be proportionate.

This means that the severity of the punishment should correspond with:

The seriousness of the offence.
The harm caused.
The offender’s level of responsibility.
Relevant aggravating and mitigating factors.

Retribution should not mean unlimited punishment or personal revenge.

Retribution and Revenge

Retribution can be criticised when it appears to become:

Revenge.
Public appeasement.
Punishment without behavioural purpose.
Deliberate suffering for its own sake.

A sentence may satisfy demands for punishment without reducing future offending.

This creates an important distinction:

A sentence may succeed as retribution while failing as rehabilitation or deterrence.

Applying Retribution

Evan deliberately caused serious harm to several victims. The court imposes a custodial sentence to recognise the seriousness of the offence and demonstrate that such behaviour is unacceptable.

This reflects retribution because:

The sentence is a punishment for past behaviour.
The harm experienced by victims is recognised.
Justice is publicly demonstrated.
Future behavioural change is not the only purpose.

Rehabilitation

What Is Rehabilitation?

Rehabilitation, sometimes called reform, aims to change the offender so that future offending becomes less likely.

Rather than focusing only on punishment, rehabilitation addresses factors associated with the person’s offending.

These may include:

Aggressive behaviour.
Poor emotional regulation.
Criminal attitudes.
Lack of education.
Limited employment skills.
Addiction.
Poor decision-making.
Cognitive distortions.
Weak social skills.

AQA states that custody may provide opportunities to learn acceptable behaviour, acquire new skills and engage in self-reflection or contrition.

Rehabilitation Opportunities in Custody

A prison may provide:

Education.
Vocational training.
Literacy and numeracy support.
Addiction treatment.
Psychological therapy.
Anger-management programmes.
Behaviour-modification programmes.
Restorative-justice opportunities.
Support with housing or employment.
Preparation for release.

These interventions aim to reduce the risk factors contributing to offending.

Rehabilitation as Long-Term Protection

Rehabilitation and incapacitation protect society in different ways.

Incapacitation protects society while the offender is confined.
Rehabilitation aims to protect society after the offender is released.

Successful rehabilitation should produce:

Improved self-control.
New coping strategies.
Lawful employment opportunities.
Reduced criminal attitudes.
Greater recognition of victim harm.
Lower recidivism.

Rehabilitation and Active Participation

Rehabilitation usually requires the offender to engage actively.

The person may need to:

Attend sessions.
Reflect honestly.
Practise new skills.
Accept responsibility.
Challenge previous attitudes.
Remain motivated over time.

A custodial setting can provide access to treatment, but imprisonment itself does not guarantee rehabilitation.

Applying Rehabilitation

While in prison, Aisha completes a qualification, receives treatment for substance dependence and attends a programme challenging her beliefs about offending.

This may support rehabilitation because:

Education may improve lawful employment opportunities.
Treatment addresses a risk factor for offending.
Cognitive work challenges pro-criminal attitudes.
The sentence includes opportunities for long-term change.

Rehabilitation Links

The next lessons examine three approaches that may be used to support rehabilitation:

rewarding desired conduct within custody [Lesson 11: Behaviour modification in custody]
developing control over anger and aggression [Lesson 12: Anger management]
repairing harm through communication with victims [Lesson 13: Restorative justice]

Incapacitation

What Is Incapacitation?

Incapacitation means protecting the public by restricting the offender’s opportunity to offend within the community.

During imprisonment, the offender cannot freely:

Approach previous victims.
Access the same community targets.
Commit offences in ordinary public settings.
Continue an existing pattern of community offending.

AQA describes incapacitation as preventing the offender from continuing to cause harm or threaten members of the public while confined.

Protection of Society

Incapacitation may be especially important where an offender presents a serious and continuing risk.

It may:

Protect previous victims.
Prevent immediate repetition.
Interrupt an established offence pattern.
Provide time for risk assessment.
Allow treatment to take place in a secure environment.

Unlike deterrence and rehabilitation, incapacitation does not require the offender’s attitudes or behaviour to change.

It works through physical restriction.

Temporary Incapacitation

A major limitation is that most custodial sentences eventually end.

If the causes of offending remain unchanged, the person may reoffend after release.

The process may be:

Imprisonment → temporary restriction → release without change → return to previous circumstances → reoffending

Incapacitation may therefore provide immediate protection without producing long-term safety.

Offending Can Still Occur in Prison

Custody prevents many forms of community offending, but it does not make all offending impossible.

Within prison, a person may still engage in:

Violence.
Threats.
Bullying.
Property damage.
Other rule-breaking.

A precise answer should therefore state:

Incapacitation reduces the offender’s opportunity to offend against the wider public.

It should not claim that the person becomes incapable of any offending behaviour.

Applying Incapacitation

Imran has repeatedly threatened the same victim. A custodial sentence prevents him from approaching that victim while he is confined.

This demonstrates incapacitation because:

The offender has been physically separated from the victim.
Immediate community risk is reduced.
The effect lasts while the restriction remains in place.

It does not show that Imran has been rehabilitated.

Comparing the Four Aims

Aim	Focus	Main time orientation	Requires psychological change?
Deterrence	Discouraging offending through consequences	Future	Not necessarily
Retribution	Punishing wrongdoing	Past	No
Rehabilitation	Changing the offender	Future	Yes
Incapacitation	Restricting opportunity and protecting the public	Present	No

When the Aims Conflict

The aims do not always fit together comfortably.

For example:

A very harsh sentence may satisfy retribution but damage mental health.
Isolation may incapacitate an offender but reduce rehabilitation opportunities.
Contact with experienced offenders may undermine deterrence.
A short sentence may punish but provide insufficient time for treatment.
A long sentence may permit education but increase institutionalisation.

Evaluation should therefore consider whether custody achieves one aim at the expense of another.

Psychological Effects of Custodial Sentencing

Custodial sentencing may have psychological effects involving:

Institutionalisation.
Brutalisation or prisonisation.
Mental-health deterioration.
Loss of autonomy.
Deindividuation.
Labelling and stigma.
Social isolation.
Positive change through rehabilitation.

AQA mark schemes identify institutionalisation, brutalisation, poor mental health, self-harm, suicide risk and labelling as relevant psychological consequences.

Institutionalisation

What Is Institutionalisation?

Institutionalisation occurs when a person adapts so strongly to institutional routines that they become dependent upon them.

Prison life may involve staff deciding:

When the person wakes.
When they eat.
Where they go.
What they wear.
When they exercise.
When they communicate with others.
Which activities are available.
When they return to their cell.

The prisoner has limited opportunity to make independent everyday decisions.

Development of Dependency

The process may be:

The prisoner loses autonomy.
Rules and routines control daily life.
The prisoner learns to rely on the institution.
Independent decision-making decreases.
Institutional routines begin to feel normal or necessary.
Release requires an abrupt return to personal responsibility.
The individual may struggle to cope outside prison.

AQA describes institutionalisation as a dependency culture produced through lack of autonomy and adherence to prison norms.

Loss of Autonomy

Autonomy means the ability to make choices and control one’s own life.

In custody, a person may lose control over:

Daily schedule.
Food.
Privacy.
Movement.
Social contact.
Personal possessions.
Work and activities.

Long-term loss of autonomy may weaken confidence in making decisions.

Conformity to Institutional Roles

The person may begin to define themselves mainly through the role of prisoner.

They learn:

How to follow institutional routines.
How to respond to staff.
How to obtain limited resources.
Which prisoner behaviours are expected.
How to avoid attention or conflict.

These adaptations may be useful inside prison but less helpful outside it.

Effects After Release

After release, an institutionalised person may experience difficulty with:

Making everyday decisions.
Organising time.
Finding employment.
Managing money.
Maintaining relationships.
Coping without fixed routines.
Accepting personal responsibility.
Living independently.

This may produce:

Anxiety.
Confusion.
Dependency.
Social withdrawal.
Increased risk of returning to familiar criminal or institutional environments.

Applying Institutionalisation

Consider this scenario:

After a long prison sentence, Lewis becomes anxious when asked to organise his own day. He repeatedly asks support workers for permission before making ordinary decisions and says that life was easier when every activity was scheduled.

This is consistent with institutionalisation because:

Lewis has adapted to externally imposed routines.
He has become dependent on institutional authority.
Independent decision-making produces anxiety.
Skills that were useful in prison now make community adjustment difficult.

Institutionalisation and Recidivism

Institutionalisation may contribute indirectly to recidivism.

The person may reoffend because they:

Cannot manage community life.
Lose stable accommodation.
Struggle with employment.
Return to familiar associates.
Feel safer within institutional routines.
Have limited confidence in lawful independence.

However, institutionalisation is not the only explanation for reoffending.

Brutalisation and Prisonisation

What Is Brutalisation?

Brutalisation is the process through which exposure to a harsh or threatening prison environment makes the offender more hardened, aggressive or accepting of criminal behaviour.

Prison may act as a school for crime.

Rather than discouraging offending, it may:

Reinforce criminal values.
Increase aggression.
Teach new offending techniques.
Create new criminal contacts.
Normalise violence.
Strengthen hostility towards authority.

The current AQA mark scheme describes brutalisation or prisonisation as adopting the prison code after exposure to a harsh and threatening environment.

The Prison Code

A prison code consists of informal norms and expectations among prisoners.

These may include beliefs such as:

Do not cooperate with staff.
Retaliate against disrespect.
Appear tough.
Remain loyal to other prisoners.
Do not show vulnerability.
Use aggression to protect status.
Distrust formal authority.

A prisoner may adopt these norms to survive within the institution.

Prison as a School for Crime

A prisoner may interact with people who have:

Greater criminal experience.
Knowledge of different offences.
Connections to criminal networks.
Techniques for avoiding detection.
Strong pro-criminal attitudes.

The person may learn:

New offence methods.
Rationalisations.
Ways of obtaining illegal rewards.
Contacts useful after release.
Greater hostility towards law-abiding authorities.

This connects directly with learning pro-criminal attitudes and techniques from close groups [Lesson 9: Differential association theory].

The Brutalisation Process

The process may be:

The offender enters a threatening institution.
Toughness and aggression are rewarded.
Cooperation and vulnerability may be punished socially.
The offender adopts aggressive prisoner norms.
Contact with experienced offenders provides new knowledge.
Criminal identity becomes stronger.
The person leaves custody better connected or more hardened.
Recidivism becomes more likely.

Applying Brutalisation

Noah entered prison following a minor non-violent offence. During his sentence, experienced prisoners taught him new methods of theft. He learned that refusing to retaliate made him appear weak and began using aggression to gain respect.

This demonstrates brutalisation because:

The prison environment normalises aggression.
Noah learns the prison code.
Aggression is socially reinforced.
He acquires new offending techniques.
Custody may increase rather than reduce future offending.

Brutalisation and Institutional Aggression

Brutalisation can also be connected with deprivation and aggression within prisons [Lesson 8: Institutional aggression].

Prisoners may adopt aggressive behaviour because:

They feel unsafe.
Resources are scarce.
Toughness protects them.
Group status matters.
Aggression is modelled and rewarded.

The behaviour may then become part of the person’s learned response outside prison.

Brutalisation and Deterrence

Brutalisation directly challenges the aim of deterrence.

Instead of learning:

Offending leads to punishment and should be avoided.

the prisoner may learn:

Offending is normal, criminal skills are valuable and aggression earns respect.

Custody may therefore produce the opposite of its intended effect.

Mental-Health Effects

Psychological Distress

Imprisonment may create psychological distress through:

Loss of liberty.
Separation from family.
Fear of violence.
Social isolation.
Lack of privacy.
Uncertainty.
Boredom.
Lack of stimulation.
Loss of meaningful roles.
Reduced control.

Possible outcomes include:

Anxiety.
Depression.
Post-traumatic stress symptoms.
Low self-esteem.
Sleep difficulties.
Emotional withdrawal.
Self-harm.
Increased suicide risk.

These are all recognised as relevant psychological effects in AQA mark schemes.

Depression

Depression may be associated with:

Loss of freedom.
Separation from important relationships.
Hopelessness about the future.
Guilt or shame.
Boredom.
Lack of meaningful activity.
Fear and isolation.

Symptoms might include:

Persistent low mood.
Reduced motivation.
Loss of interest.
Sleep changes.
Feelings of worthlessness.
Difficulty concentrating.

Anxiety

Anxiety may result from:

Threats from other prisoners.
Unfamiliar routines.
Lack of control.
Concern about family.
Fear of release or continued confinement.
Uncertainty about safety.

A first-time prisoner may be especially anxious because they do not yet understand institutional norms.

Post-Traumatic Stress

Exposure to violence, threat or victimisation may contribute to symptoms associated with post-traumatic stress.

These may include:

Hypervigilance.
Intrusive memories.
Avoidance.
Sleep difficulties.
Emotional numbing.
Strong responses to perceived threat.

However, researchers must determine whether these difficulties developed during imprisonment or existed beforehand.

Self-Harm and Suicide Risk

Severe distress may contribute to:

Self-injury.
Suicidal thoughts.
Suicide attempts.
Completed suicide.

Risk may be affected by:

Isolation.
Previous mental-health difficulties.
Withdrawal from substances.
Fear.
Loss of relationships.
Lack of perceived future opportunities.

These outcomes represent serious potential harms of custody.

Individual Differences in Mental-Health Effects

Prison does not affect every person in the same way.

The effect may depend on:

Previous mental health.
Age.
Sentence length.
Type of institution.
Social support.
Contact with family.
Experience of violence.
Access to meaningful activity.
Access to treatment.
Whether the person has been imprisoned before.

A first-time prisoner with existing anxiety may respond very differently from someone familiar with the environment.

Deindividuation and Loss of Identity

What Is Deindividuation in Custody?

Custody may reduce a person’s sense of individuality.

This may occur through:

Standardised routines.
Restricted personal possessions.
Limited privacy.
Being identified mainly as a prisoner.
Reduced personal choice.
Pressure to conform to institutional roles.

The person may feel less like an autonomous individual and more like one interchangeable member of the prison population.

AQA’s June 2024 mark scheme accepts deindividuation as a possible psychological effect of custody.

Possible Consequences

Loss of individuality may contribute to:

Reduced self-esteem.
Conformity.
Reduced personal responsibility.
Dependence on group norms.
Adoption of a prisoner identity.
Difficulty maintaining a previous positive identity.

However, deindividuation should not be treated as identical to institutionalisation.

Institutionalisation concerns dependency on institutional routines.
Deindividuation concerns weakened individual identity and responsibility.

Labelling and Stigma

The Offender Label

Custody may strengthen a person’s identity as an offender or criminal.

The label may be applied by:

Society.
Employers.
Family members.
Friends.
Authorities.
The person themselves.

The label may continue after the sentence has ended.

Social Consequences of Labelling

A criminal label may lead to:

Loss of employment.
Reduced employability.
Damaged relationships.
Loss of housing.
Social rejection.
Reduced access to opportunities.
Greater surveillance.
Contact mainly with other offenders.

The specimen AQA mark scheme identifies loss of social contacts and reduced employability as possible consequences of labelling that may contribute to recidivism.

Self-Fulfilling Prophecy

Labelling may create a self-fulfilling prophecy.

The process may be:

The person is labelled as an offender.
Other people expect further offending.
Lawful opportunities are reduced.
The person becomes socially excluded.
Criminal relationships become more important.
The offender identity is internalised.
Reoffending becomes more likely.

The label does not force offending, but it may create conditions that make lawful reintegration more difficult.

Applying Labelling

After release, Jamal repeatedly has job applications rejected because of his conviction. Former friends avoid him, while people he met in prison offer him opportunities to make money illegally.

Possible psychological and social effects include:

Stigma and rejection.
Reduced lawful opportunities.
Stronger offender identity.
Return to pro-criminal associations.
Increased risk of recidivism.

Social Isolation and Family Relationships

Custody separates offenders from:

Partners.
Children.
Parents.
Friends.
Community networks.
Employment contacts.

This may produce:

Loneliness.
Grief.
Anxiety.
Loss of identity.
Family conflict.
Reduced support after release.

Family contact can be a protective factor.

Loss of this contact may make rehabilitation more difficult because stable relationships often help with:

Accommodation.
Employment.
Emotional support.
Motivation to avoid offending.

Positive Psychological Effects

Custody does not necessarily produce only harmful psychological consequences.

Possible positive effects include:

Time away from a harmful environment.
A structured routine.
Access to education.
Treatment for addiction or mental-health difficulties.
Development of employment skills.
Reflection on the offence.
Recognition of victim harm.
Improved behavioural control.
Formation of prosocial goals.

The specimen mark scheme accepts positive effects resulting from treatment, rehabilitation, opportunities and remorse.

Conditions Supporting Positive Change

Positive effects are more likely where custody provides:

Safe conditions.
Meaningful activities.
Skilled staff.
Suitable interventions.
Individualised treatment.
Continued family contact.
Preparation for release.
Support after release.

Simply placing someone in prison does not guarantee reflection or reform.

Recidivism

What Is Recidivism?

Recidivism means returning to offending after receiving a sentence or intervention.

It may be measured through:

Rearrest.
Reconviction.
Reimprisonment.
Officially recorded reoffending within a follow-up period.

These measures are not identical.

For example, an offence may occur without:

Detection.
Arrest.
Prosecution.
Conviction.

Official recidivism therefore measures recorded reoffending rather than every offence committed.

Recidivism as an Outcome Measure

Recidivism is often used to evaluate whether custody achieved:

Deterrence.
Rehabilitation.
Long-term public protection.

If reoffending remains high, this may indicate that:

The sentence did not deter.
Rehabilitation was ineffective.
Brutalisation occurred.
Reintegration failed.
Social risk factors remained unchanged.

Interpreting Recidivism Carefully

Differences in recidivism may reflect:

Type of offender.
Seriousness of offence.
Previous convictions.
Age.
Sentence length.
Post-release support.
Employment.
Housing.
Substance dependence.
Mental health.

People receiving custody may already have a higher risk of reoffending than people receiving community sentences.

A direct comparison may therefore be unfair unless groups are appropriately matched.

Avoid Unsupported Statistics

Exact recidivism figures depend on:

The population studied.
The type of offence.
Age.
The definition of reoffending.
Length of follow-up.
Historical period.

Unless the question supplies data, it is safer to explain that high recidivism challenges deterrence and rehabilitation than to rely on an unverified percentage.

Evaluating Custody as a Way of Dealing with Offending

Strength: Immediate Protection

Custody can provide immediate protection by separating a high-risk offender from the wider public.

This is a direct strength because incapacitation does not depend on:

The offender wanting to change.
Successful therapy.
Moral development.
Improved self-control.

While confined, the offender has reduced access to previous community victims and targets.

Limitation: Protection Is Often Temporary

The protection may last only for the period of confinement.

If the offender is released without:

New coping skills.
Stable housing.
Employment.
Treatment.
Prosocial support.

the risk may return.

Custody therefore has greater short-term than long-term value when it incapacitates without rehabilitating.

Strength: Justice and Recognition of Harm

Custody may communicate that serious offending is unacceptable.

It may:

Recognise the victim’s suffering.
Demonstrate accountability.
Maintain public confidence.
Provide proportionate punishment.

This means custody can succeed as retribution even where behavioural change is uncertain.

Limitation: Retribution Does Not Reduce Risk Automatically

Punishment may satisfy a demand for justice without addressing:

Addiction.
Criminal attitudes.
Impulsivity.
Anger.
Lack of skills.
Harmful social networks.

Retribution is therefore not the same as rehabilitation.

A sentence may punish effectively but leave the causes of offending unchanged.

Strength: Opportunities for Rehabilitation

Prison can bring together:

Trained staff.
Structured programmes.
Education.
Psychological treatment.
Behavioural interventions.
Addiction services.

For some offenders, custody may provide access to support that was unavailable in the community.

Limitation: Rehabilitation Opportunities Vary

Rehabilitation may be limited by:

Lack of resources.
Staff shortages.
Waiting lists.
Short sentences.
Transfers between institutions.
Low motivation.
Unsafe prison conditions.
Lack of post-release continuation.

Access to a programme does not guarantee completion or behavioural change.

Limitation: Prison May Be a School for Crime

Brutalisation may undermine both deterrence and rehabilitation.

Contact with more experienced offenders may:

Teach techniques.
Strengthen criminal attitudes.
Create useful criminal contacts.
Reward toughness and aggression.
Normalise law-breaking.

The person may leave prison more capable of offending than when they entered.

Limitation: Institutionalisation

Custody may weaken the skills needed for lawful independent life.

A person who has become dependent on fixed routines may struggle with:

Employment.
Housing.
Financial decisions.
Relationships.
Personal responsibility.

This can make reintegration harder and increase recidivism.

Limitation: Mental-Health Harm

Psychological distress may reduce the offender’s capacity to engage with rehabilitation.

Someone experiencing severe:

Depression.
Anxiety.
Trauma symptoms.
Low self-esteem.
Self-harm.

may find it difficult to:

Attend education.
Develop future plans.
Build relationships.
Practise new skills.
prepare for release.

A sentence intended to reform may therefore worsen a factor related to future offending.

Limitation: Cause and Effect

It is difficult to prove that imprisonment caused psychological difficulties.

People entering prison may already have:

Mental-health conditions.
Histories of trauma.
Substance dependence.
Social disadvantage.
Previous institutional experiences.

The relationship could be:

Prison causes psychological difficulty.
Pre-existing psychological difficulty contributes to offending and imprisonment.
Both result from another variable.
Prison worsens a pre-existing problem.

The specimen mark scheme identifies this cause-and-effect issue as an important evaluation point.

Ethical Difficulty of Experimental Research

Researchers cannot randomly assign comparable people to:

Prison.
No prison.
Harsh custody.
Supportive custody.

for the purpose of studying psychological harm.

Much evidence therefore comes from:

Natural experiments.
Correlational studies.
Interviews.
Official records.
Simulated prison research.

These methods make causal conclusions difficult.

The Stanford Prison Study

The Stanford prison study is sometimes used to illustrate the psychological power of prison roles and environments.

It may provide examples of:

Conformity to roles.
Distress.
Loss of individuality.
Situational pressure.

However, it was a simulated prison rather than an actual custodial sentence.

Participants knew that:

They were in a study.
The situation was temporary.
They were not convicted offenders.
They could potentially withdraw.

Its findings should therefore be applied cautiously.

AQA mark schemes accept it as possible evidence concerning institutionalisation, but methodological evaluation must be linked directly to conclusions about custody.

Individual Differences

Custodial effects are not uniform.

One person may:

Become institutionalised.

Another may:

Use education positively.

Another may:

Develop severe anxiety.

Another may:

Adopt aggressive prisoner norms.

Relevant individual differences include:

Previous experience of prison.
Age.
Personality.
Mental health.
Social support.
Type of offence.
Sentence length.
Motivation to change.

This makes broad statements such as “prison always makes people worse” inaccurate.

Suitability for Different Offenders

Custody may be more appropriate for:

People presenting a serious immediate risk.
Persistent high-risk offenders.
Offenders requiring secure containment.
Cases where public protection is the priority.

It may be less appropriate for some:

Low-risk offenders.
First-time offenders.
People convicted of minor offences.
People whose needs may be addressed safely in the community.

The most appropriate response depends on both:

The offence.
The individual offender.

Community Sentences as an Alternative

A community sentence may allow a person to:

Retain employment.
Maintain family relationships.
Continue education.
Receive treatment.
Avoid prisonisation.
Practise change in everyday life.

This may reduce some harmful psychological effects of custody.

However, community sentences may provide less:

Incapacitation.
Immediate public protection.
Visible retribution.
Control over treatment attendance.

The specimen mark scheme recognises community sentences as a potentially better option for low-risk offenders because social contacts and employment may be maintained.

Cost and Opportunity Cost

Custody requires resources for:

Secure buildings.
Staffing.
Healthcare.
Food and accommodation.
Education.
Security.
Administration.

The opportunity cost is what could have been funded instead.

Resources might potentially be used for:

Community treatment.
Early intervention.
Education.
Addiction support.
Victim services.
Housing support.
Rehabilitation after release.

Cost does not prove that custody is ineffective. It means that its benefits should be compared with those of alternative interventions.

Short-Term and Long-Term Effectiveness

Custody may achieve different outcomes over different time periods.

Short-term effects

The offender is incapacitated.
The public is protected.
Retribution is delivered.
The immediate offence pattern is interrupted.

Long-term effects

These depend on whether custody produces:

Rehabilitation.
Deterrence.
Stable reintegration.
Reduced recidivism.

Custody may therefore be successful in the short term but ineffective in producing lasting behavioural change.

Custody and Environmental Determinism

Explanations such as institutionalisation and brutalisation suggest that the prison environment strongly influences behaviour.

This can be viewed as environmental determinism.

The prisoner may appear controlled by:

Institutional routines.
Prisoner norms.
Reinforcement.
Deprivation.
Labelling.

However, not every prisoner responds in the same way.

This suggests that personal choice, resilience and previous characteristics also matter.

This links with environmental causation and personal control [Lesson 3: Free will and determinism].

Reductionism and Holism

Evaluating custody solely through recidivism may be reductionist.

Recidivism provides a useful measurable outcome, but custody may also affect:

Victims’ perceptions of justice.
Public safety.
Mental health.
Family relationships.
Employment.
Education.
Identity.
Social integration.

A more holistic evaluation considers several outcomes rather than asking only whether the person was reconvicted.

This connects with different levels of explanation and outcome [Lesson 5: Holism and reductionism].

Overall Evaluation

Custodial sentencing has four important aims:

Deterrence.
Retribution.
Rehabilitation.
Incapacitation.

Custody can protect the public immediately, recognise the seriousness of an offence and provide access to treatment and education. These are significant strengths, particularly where an offender presents a serious continuing risk.

However, high recidivism challenges the claims that custody reliably deters or reforms. Institutionalisation may create dependency, brutalisation may strengthen criminal behaviour, and imprisonment may contribute to anxiety, depression, self-harm and loss of identity. Labelling and reduced employment opportunities may make reintegration harder.

The most balanced conclusion is that custody can achieve retribution and short-term incapacitation more directly than rehabilitation. Its long-term effectiveness depends heavily on prison conditions, suitable interventions and support following release.

Key Words 🔑

Key word	Student-friendly definition	How it may be used in an exam
Custodial sentencing	A court sentence requiring an offender to spend time in a secure institution	Introduce the way of dealing with offending
Deterrence	Discouraging offending through the threat or experience of punishment	Explain an aim of custody
Individual deterrence	Discouraging the sentenced person from reoffending	Apply custody to the offender’s future behaviour
General deterrence	Discouraging other members of society from offending	Explain the wider warning created by punishment
Retribution	Punishing the offender in proportion to the wrongdoing	Explain justice and recognition of victim harm
Proportionality	Matching the severity of punishment to the seriousness of the offence	Distinguish retribution from revenge
Rehabilitation	Changing the offender to reduce future offending	Explain treatment, education and reform
Reform	Another term for positive change in the offender	Use as an alternative term for rehabilitation
Incapacitation	Restricting an offender’s opportunity to harm the public	Explain immediate public protection
Recidivism	Reoffending after a sentence or intervention	Evaluate deterrence and rehabilitation
Institutionalisation	Dependency on institutional routines following prolonged loss of autonomy	Explain difficulty coping independently
Dependency culture	Reliance on institutional staff, rules and routines	Explain the mechanism of institutionalisation
Autonomy	The ability to make choices and control one’s life	Explain what is reduced in custody
Brutalisation	Becoming hardened or more accepting of aggression and offending through prison experience	Explain the school-for-crime effect
Prisonisation	Adopting the norms, identity and expectations of prison life	Explain the development of the prison code
Prison code	Informal prisoner norms supporting toughness, loyalty and resistance to authority	Link prison experience with learned behaviour
Deindividuation	A reduced sense of personal identity and responsibility	Explain a possible effect of standardised prison life
Labelling	Defining a person through an offender or criminal identity	Explain stigma and reintegration difficulties
Stigma	Social disapproval attached to a characteristic or identity	Explain reduced employment or social contact
Self-fulfilling prophecy	An expectation that contributes to the behaviour it predicts	Explain how labels may maintain offending
Reintegration	Returning to and functioning within community life	Evaluate long-term effectiveness
Community sentence	A sentence completed within the community under specified conditions	Compare custody with an alternative
Cause and effect	Whether custody produces an effect or is merely associated with it	Evaluate psychological evidence
Opportunity cost	The benefit lost when resources are used for one option rather than another	Evaluate the financial use of custody
Environmental determinism	The view that behaviour is controlled by external circumstances	Evaluate prison environmental effects

Hints from the Examiner Reports 💡

Explain the Aim Rather Than Merely Naming It

Examiner hint: A two-mark outline requires development.

The 2025 mark scheme states that simply naming deterrence, rehabilitation, retribution or incapacitation is not enough.

A developed answer might state:

Incapacitation protects the public because imprisonment removes the offender from the community and restricts access to possible victims during the sentence.

Keep the Four Aims Distinct

Use the following questions:

Deterrence: Will punishment discourage future offending?
Retribution: Has the offender received a proportionate punishment?
Rehabilitation: Has the offender changed?
Incapacitation: Is the offender currently prevented from harming the public?

Do not describe every aim as “stopping crime”.

Evaluate Rather Than Repeat the Aims

The June 2025 examiner report noted that some students restated the aims when the question required evaluation.

Weak evaluation:

Custody aims to deter offenders.

Effective evaluation:

High recidivism suggests that experiencing custody does not always deter the individual from reoffending.

Use an Aim as Evaluation Only When You Judge Its Success

AQA’s 2025 mark scheme states that aims receive credit in an evaluation answer only when explicitly used to assess effectiveness.

For example:

Custody successfully incapacitates during the sentence because the offender cannot access previous community victims. However, this protection may be temporary if the causes of offending remain unchanged after release.

Distinguish Institutionalisation and Brutalisation

Institutionalisation: Dependency on routines and reduced ability to live independently.
Brutalisation: Becoming hardened, aggressive or more criminally skilled.

A prisoner can experience both, but the mechanisms are different.

Explain the School-for-Crime Argument

Do not write only:

Prison is a school for crime.

Explain:

Contact with experienced offenders may transmit pro-criminal attitudes, techniques and networks. Aggression may also be rewarded through the prison code, increasing the risk of recidivism.

Develop Mental-Health Effects

Avoid vague statements such as:

Prison is stressful.

Develop the mechanism:

Separation, fear and loss of control may contribute to anxiety or depression. Severe psychological distress can lead to self-harm and may also reduce engagement with rehabilitation.

Use Recidivism Carefully

The examiner report found that students used high recidivism effectively to argue that custody had not rehabilitated or deterred offenders.

A strong answer also recognises that:

Official recidivism records do not capture every offence.
People receiving custody may be higher risk to begin with.
Post-release conditions affect reoffending.

Avoid Invented Statistics

Use precise figures only when:

They are supplied in the question.
You are confident they are from an appropriate source and period.

The general point that high recidivism challenges rehabilitation is sufficient for many questions.

Keep Psychological Effects Central

The June 2024 examiner report found that students discussing custodial sentencing often seemed unsure which material to include.

Prioritise:

Institutionalisation.
Brutalisation.
Mental-health effects.
Deindividuation.
Labelling.
Recidivism.
Possible rehabilitation.

Link Methodology to the Conclusion

Do not state only:

The evidence is correlational.

Develop the point:

Prisoners may have experienced depression or trauma before entering custody. A relationship between imprisonment and poor mental health therefore does not demonstrate that custody caused the difficulty.

Make Comparisons Purposeful

When comparing custody with a community sentence, specify the offender.

For example:

A community sentence may be more appropriate for a low-risk first-time offender because it maintains employment and social support while avoiding brutalisation. Custody may be more appropriate where immediate public protection is essential.

Common Mistakes ⚠️

Mistake 1

Mistake: Defining custody simply as punishment.

Why this is incomplete:

Custody may also aim to deter, rehabilitate and incapacitate.

How to improve:

Explain that imprisonment can serve several purposes simultaneously.

Mistake 2

Mistake: Naming an aim without explaining it.

Why this loses marks:

An outline question requires a clear account of how the aim operates.

How to improve:

Use:

Aim → process → intended outcome

Mistake 15

Mistake: Recommending community sentences for every offender.

Why this is inappropriate:

Some offenders present a serious and immediate risk.

How to improve:

Evaluate suitability according to risk, offence and individual need.

Exam-Style Questions ✍️

Question 1

Which aim of custodial sentencing protects the public by removing an offender from the community? [1 mark]

Question 2

Briefly outline deterrence as an aim of custodial sentencing. [2 marks]

Question 3

Explain one difference between retribution and rehabilitation. [3 marks]

Question 4

A court gives Nabil a custodial sentence because he has repeatedly threatened the same victim. The judge also recommends that Nabil attend an anger-management programme while in prison.

Explain two aims of the sentence. [4 marks]

Question 5

Explain institutionalisation as a psychological effect of custodial sentencing. [4 marks]

Question 6

After entering prison for a minor offence, Erin learns new offending techniques from other prisoners. She begins to believe that aggression is necessary to gain respect and plans to contact her new associates after release.

Explain Erin’s experience using your knowledge of the psychological effects of custody. [4 marks]

Question 7

A hypothetical study compares reconviction during the two years following different sentences.

Sentence received	Number followed up	Number reconvicted
Custody without a rehabilitation programme	120	66
Custody with a rehabilitation programme	120	42
Community sentence with treatment	120	36

Calculate the percentage reconvicted in the custody-without-rehabilitation group. Describe two patterns and explain one conclusion that can reasonably be drawn. [6 marks]

Question 8

Explain one reason why a relationship between custody and poor mental health would not demonstrate that imprisonment caused the mental-health difficulty. [3 marks]

Question 9

Explain one strength and one limitation of custodial sentencing as a way of dealing with offending. [6 marks]

Question 10

Evaluate custodial sentencing as a way of dealing with offending behaviour. Refer to its aims and psychological effects in your answer. [16 marks]

Answers and Mark Scheme

Question 1

Answer: Incapacitation. [1 mark]

Question 2

Award marks as follows:

One mark for stating that deterrence aims to discourage offending through negative consequences.
One mark for explaining either that the offender should be discouraged from reoffending or that other people should be discouraged by observing the punishment.

Example:

Custody is intended to make the consequences of offending sufficiently unpleasant that the sentenced offender and other potential offenders decide not to offend.

Maximum: 2 marks

Question 3

Award up to three marks for an explicit distinction:

Retribution focuses on punishment for past offending.
It demonstrates justice and recognises the harm caused.
Rehabilitation focuses on changing the offender.
Rehabilitation aims to reduce future offending through treatment, education or skill development.
Retribution does not require psychological change, whereas rehabilitation does.

Question 4

Award up to two marks for incapacitation:

Nabil is removed from the community.
This restricts access to the previous victim.
The public or particular victim receives immediate protection.

Award up to two marks for rehabilitation:

Anger management aims to change Nabil’s future behaviour.
It may help him identify triggers and develop non-aggressive responses.
The intended outcome is reduced reoffending.

Credit deterrence where it is clearly and effectively applied.

Question 5

Award one mark for each relevant point, up to four marks:

Prisoners lose autonomy because routines and decisions are controlled by the institution.
They may become dependent on staff, rules and fixed routines.
They may conform strongly to the prisoner role.
Independent decision-making may weaken.
Release may produce anxiety or difficulty managing ordinary life.
Reintegration may become harder.
Institutionalisation may contribute indirectly to recidivism.

A full-mark response should explain both adaptation inside prison and difficulty outside it.

Question 6

Award up to four marks for effective application:

Erin’s experience illustrates brutalisation or prisonisation.
Prison is acting as a school for crime.
Other prisoners teach new offending techniques.
Aggression is becoming part of an accepted prison code.
Gaining respect provides social reinforcement.
Erin is developing pro-criminal associations.
New contacts may facilitate offending after release.
Custody may therefore increase rather than reduce recidivism.

Do not award full marks for simply stating that Erin has been institutionalised.

Question 7

Award one mark for the correct calculation:

12066×100=55%

Award up to two marks for describing patterns:

The highest reconviction rate occurs after custody without rehabilitation.
Fifty-five per cent of this group were reconvicted.
Fewer people were reconvicted after custody with rehabilitation.
The lowest number reconvicted followed the community sentence with treatment.
The difference between custody without and with rehabilitation is 24 people.
The difference between custody with rehabilitation and community treatment is six people.

Award up to three marks for explanation:

The pattern suggests rehabilitation may reduce reconviction compared with custody alone.
Custody without psychological intervention may have limited rehabilitative effect.
A community sentence with treatment may be effective for suitable offenders.
The data do not establish cause and effect.
The groups may differ in initial risk or offence seriousness.
Reconviction does not measure every instance of reoffending.
Other post-release factors may explain the differences.

Question 8

Award one mark for identifying a valid cause-and-effect issue and up to two marks for explanation.

Possible answer:

Prisoners may have experienced depression, anxiety or trauma before imprisonment. The same pre-existing difficulties may also have contributed to their offending. A relationship between custody and poor mental health therefore cannot show that imprisonment was the original cause, although custody may worsen the condition.

Other creditworthy explanations include:

Substance dependence.
Childhood adversity.
Offender groups differing before sentence.
No random allocation to custody.
A third variable affecting both imprisonment and mental health.

Question 9

Award up to three marks for one developed strength and up to three marks for one developed limitation.

Possible strength:

Custody incapacitates offenders by removing them from the community. This provides immediate protection for victims and does not depend on the offender being motivated to change. It may therefore be suitable where an offender presents a serious continuing risk.

Possible limitation:

Custody can produce brutalisation because prisoners interact with more experienced offenders and may adopt aggressive prison norms. The offender may leave with new techniques and criminal contacts, so custody could increase rather than reduce recidivism.

Other creditworthy points include:

Retribution and justice.
Rehabilitation opportunities.
Institutionalisation.
Mental-health effects.
Temporary incapacitation.
Cost.
Labelling.
Problems interpreting recidivism.
Individual differences.
Suitability of community alternatives.

Question 10

A high-level answer should include accurate knowledge and developed evaluation.

Indicative AO1 content

Definition of custodial sentencing.
Deterrence.
Individual and general deterrence.
Retribution.
Proportionate punishment and justice.
Rehabilitation or reform.
Education, treatment and skills.
Incapacitation or public protection.
Institutionalisation.
Loss of autonomy.
Dependency on routines.
Brutalisation or prisonisation.
Prison code and school-for-crime effect.
Mental-health effects.
Anxiety, depression, self-harm and suicide risk.
Deindividuation.
Labelling and stigma.
Recidivism.
Possible positive psychological effects.

Indicative AO3 content

Immediate public protection through incapacitation.
Incapacitation being temporary.
Recognition of victim harm through retribution.
Retribution not producing behavioural change.
Rehabilitation opportunities in custody.
Availability, suitability and completion of programmes.
High recidivism challenging deterrence and reform.
Brutalisation and criminal learning.
Institutionalisation and difficult reintegration.
Mental-health deterioration.
Labelling, unemployment and social rejection.
Cause-and-effect problems.
Pre-existing psychological difficulties.
Individual differences.
Custody being suitable for some offenders but not others.
Community sentences for lower-risk offenders.
Short-term compared with long-term effectiveness.
Cost and opportunity cost.
Environmental determinism.
Need for post-release support.
Comparison with behaviour modification, anger management and restorative justice.

Thirteen to sixteen marks: Knowledge of aims and psychological effects is accurate and generally detailed. Discussion is thorough, focused and effective. The answer makes reasoned judgements about both short-term protection and long-term behavioural change. Specialist terminology is used precisely.

Nine to twelve marks: Knowledge is mostly accurate and discussion is generally effective. Several aims and effects are considered, although some evaluation points may lack development or balance.

Five to eight marks: Some relevant knowledge is present, but the answer is mainly descriptive. The aims may be listed without explanation, or psychological effects may be named without evaluating effectiveness.

One to four marks: Knowledge is very limited or confused. The response may confuse the aims, treat institutionalisation and brutalisation as identical or provide little relevant evaluation.