Topic 6: Criminological psychology — Edexcel A-Level Psychology Revision

    Biological psychology focuses on the mechanisms within the body and how they affect human behaviour, with a specific emphasis on aggression. It explores th

    Topic Synopsis

    Biological psychology focuses on the mechanisms within the body and how they affect human behaviour, with a specific emphasis on aggression. It explores the central nervous system, neurotransmitters, brain structure, evolution, and hormones as explanations for behaviour, while considering individual differences and developmental factors.

    Key Concepts & Core Principles

    Exam Tips & Revision Strategies

    Common Misconceptions & Mistakes to Avoid

    Examiner Marking Points

    Topic 6: Criminological psychology

    EDEXCEL
    A-Level

    Biological psychology focuses on the mechanisms within the body and how they affect human behaviour, with a specific emphasis on aggression. It explores the central nervous system, neurotransmitters, brain structure, evolution, and hormones as explanations for behaviour, while considering individual differences and developmental factors.

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    Objectives
    5
    Exam Tips
    5
    Pitfalls
    3
    Key Terms
    11
    Mark Points

    Topic Overview

    Criminological psychology explores the psychological explanations for criminal behaviour and the application of psychology within the criminal justice system. This topic covers why individuals commit crimes, how offenders are rehabilitated, and how psychology can improve police investigations and courtroom processes. It draws on biological, cognitive, and social psychological theories to understand criminality, making it a fascinating blend of theory and real-world application.

    Understanding criminological psychology is crucial for A-Level Psychology students as it demonstrates how psychological principles can be applied to address societal issues. It links to topics such as social psychology (e.g., conformity, obedience) and biological psychology (e.g., genetics, brain abnormalities). This topic also prepares students for careers in forensic psychology, law enforcement, or the legal system by providing insights into offender profiling, eyewitness testimony, and jury decision-making.

    Within the Edexcel A-Level specification, Topic 6 requires students to evaluate key studies and theories, such as Eysenck's personality theory, the cognitive interview technique, and research on jury bias. Students must also consider ethical issues and the role of psychology in reducing crime. Mastery of this topic equips students with critical thinking skills and an appreciation of how psychology contributes to public safety and justice.

    Key Concepts

    Core ideas you must understand for this topic

    • →Eysenck's personality theory: Links criminality to extraversion, neuroticism, and psychoticism, suggesting that criminals have high levels of these traits due to an under-aroused nervous system.
    • →Cognitive interview: A police questioning technique that enhances eyewitness recall by reinstating context, reporting everything, reversing order, and changing perspective.
    • →Offender profiling: The process of inferring characteristics of an offender from their crime scene behaviour, including top-down (typological) and bottom-up (statistical) approaches.
    • →Jury decision-making: Factors influencing jury verdicts, such as pre-trial publicity, defendant attractiveness, and the minority influence of a dissenting juror.
    • →Rehabilitation programmes: Interventions like anger management and restorative justice that aim to reduce reoffending by addressing psychological causes of crime.

    What You Need to Demonstrate

    Key skills and knowledge for this topic

    • Structure and role of the neuron, neurotransmitters, and synaptic transmission
    • Effect of recreational drugs on CNS transmission
    • Brain structure and functioning (e.g., pre-frontal cortex) as an explanation for aggression
    • Role of evolution and natural selection in human behaviour/aggression
    • Biological explanation of aggression vs. Freud's psychodynamic explanation (id, ego, superego, unconscious, catharsis)
    • Role of hormones (e.g., testosterone) in aggression
    • Correlational research methods (co-variables, scatter diagrams, cause and effect issues)
    • Brain-scanning techniques (CAT, PET, fMRI)

    Marking Points

    Key points examiners look for in your answers

    • Structure and role of the neuron, neurotransmitters, and synaptic transmission
    • Effect of recreational drugs on CNS transmission
    • Brain structure and functioning (e.g., pre-frontal cortex) as an explanation for aggression
    • Role of evolution and natural selection in human behaviour/aggression
    • Biological explanation of aggression vs. Freud's psychodynamic explanation (id, ego, superego, unconscious, catharsis)
    • Role of hormones (e.g., testosterone) in aggression
    • Correlational research methods (co-variables, scatter diagrams, cause and effect issues)
    • Brain-scanning techniques (CAT, PET, fMRI)
    • Twin and adoption studies
    • Raine et al. (1997) classic study
    • Contemporary studies: Li et al. (2013), Brendgen et al. (2005), Van den Oever et al. (2008)

    Examiner Tips

    Expert advice for maximising your marks

    • 💡Ensure you can apply inferential statistical tests (Spearman's rho) to correlational data
    • 💡Be prepared to discuss issues and debates (e.g., ethics, reductionism, nature-nurture) specifically within the context of biological psychology
    • 💡Practice evaluating the validity and reliability of brain-scanning techniques
    • 💡Ensure you can link biological theories to the specific contemporary studies listed in the specification
    • 💡Be ready to discuss the implications of biological findings for society (e.g., social control, drug therapy)
    • 💡When evaluating theories, always include both strengths and limitations with specific evidence. For example, for Eysenck's theory, mention Farrington's (1994) critique that personality traits are poor predictors of crime, but also note support from studies like Eysenck and Eysenck (1970).
    • 💡Use real-world examples to illustrate concepts. For instance, discuss the use of the cognitive interview in the UK police force or the impact of the 'CSI effect' on jury expectations. This shows application and deeper understanding.
    • 💡For research methods questions, be prepared to identify and justify the use of self-report measures (e.g., Eysenck Personality Questionnaire) or experimental designs (e.g., Loftus and Palmer's eyewitness testimony studies). Link methodology to validity and reliability.

    Common Mistakes

    Pitfalls to avoid in your exam answers

    • Confusing correlation with causation in correlational research
    • Failing to address the specific requirements of the practical investigation (e.g., Spearman's rho, descriptive statistics)
    • Over-simplifying biological explanations (reductionism)
    • Inadequate evaluation of brain-scanning techniques
    • Misunderstanding the distinction between biological and psychodynamic explanations for aggression
    • Misconception: Eysenck's theory suggests that all criminals are extraverts. Correction: While extraversion is linked to criminality, Eysenck emphasised the combination of high extraversion, neuroticism, and psychoticism, and not all extraverts become criminals.
    • Misconception: The cognitive interview always improves eyewitness accuracy. Correction: Although effective, the cognitive interview can sometimes increase false recall if not properly conducted, and its success depends on the witness's cooperation and the interviewer's skill.
    • Misconception: Offender profiling is always accurate and used in all investigations. Correction: Profiling is not always reliable; it is most useful for serial crimes with distinctive patterns, and many profiles are too vague to be actionable.

    Frequently Asked Questions

    Common questions students ask about this topic

    Before You Start

    Prior knowledge that will help with this topic

    • •Social psychology (Topic 2): Understanding conformity, obedience, and situational factors helps explain why individuals commit crimes in group contexts (e.g., deindividuation).
    • •Biological psychology (Topic 3): Knowledge of the nervous system, genetics, and brain structures is essential for evaluating biological explanations of criminality.
    • •Research methods: Familiarity with experimental designs, correlations, and ethical considerations is necessary for critically analysing studies in criminological psychology.

    Key Terminology

    Essential terms to know

    Likely Command Words

    How questions on this topic are typically asked

    Analyse
    Assess
    Compare
    Describe
    Discuss
    Evaluate
    Explain
    Justify
    To what extent

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