Assessment 1: Nature and Nurture in Human Development – Applied Analysis

Course Context

Discipline: Developmental Psychology / Psychology / Educational Psychology

Course Level: Undergraduate (Year 1–2) or Taught Postgraduate Foundation

Common Course Codes: PSY-102, PSY-211, PSYC-201, EDP-200, PSYC-600 (Foundations)

Assessment Type: Individual Written Essay

Weighting: 25–30% of final course grade

Length: 1,000–1,200 words (±10%, excluding references)

Referencing: APA 7th edition or Harvard (institutional preference applies)

Assessment Purpose

This assessment examines students’ understanding of the nature versus nurture debate as a foundational framework in developmental psychology. It is designed to test conceptual clarity, theory application, and evidence-based reasoning. The task reflects common benchmark and discussion-to-essay transitions used in US, UK, Canadian, and Australian psychology programs, particularly in lifespan and developmental units.

Task Description

You are required to analyse a specific aspect of human development through the lens of the nature versus nurture debate. You must select one developmental outcome from the list below and evaluate the relative contributions of genetic and environmental factors.

Choose one focus area

• Intelligence or academic achievement
• Attachment and early socioemotional development
• Personality traits
• Mental health vulnerability (e.g. anxiety, depression)
• Antisocial or prosocial behaviour

Your essay must present a balanced, research-informed argument that demonstrates how biological predispositions and environmental influences interact across development.

Required Content

1. Define the nature versus nurture debate within developmental psychology.
2. Explain key biological influences relevant to your chosen outcome.
3. Explain key environmental influences relevant to your chosen outcome.
4. Critically evaluate interactionist perspectives, including gene–environment interplay.
5. Support claims with peer-reviewed empirical research.

Academic Expectations

This assessment requires more than listing factors. High-scoring responses demonstrate analytical reasoning, integration of theory with evidence, and explicit acknowledgement of complexity. Overly deterministic arguments, unsupported opinion, or reliance on popular media sources will be penalised.

Formatting and Submission Requirements

• Formal academic tone and third-person writing
• Clear introduction and conclusion
• Minimum of 5 peer-reviewed academic sources
• Double-spaced, standard margins, readable font
• Submission via the institutional LMS by the stated deadline

Assessment Criteria and Marking Rubric

Individual differences in intelligence reflect a dynamic interaction between genetic predispositions and environmental opportunities rather than a simple causal pathway. Twin and adoption studies consistently demonstrate heritability, yet environmental factors such as educational quality and socioeconomic context significantly shape cognitive outcomes across childhood and adolescence. Contemporary developmental models emphasise this bidirectional influence, highlighting how enriched environments can moderate genetic risk (Plomin et al., 2018, https://doi.org/10.1038/s41576-018-0018-6).

 Learning Resources

• Plomin, R., DeFries, J. C., Knopik, V. S., & Neiderhiser, J. M. (2018). Behavioral genetics (7th ed.). Worth Publishers.
• Plomin, R., & von Stumm, S. (2018). The new genetics of intelligence. Nature Reviews Genetics, 19(3), 148–159. https://doi.org/10.1038/s41576-018-0018-6
• Bronfenbrenner, U., & Morris, P. A. (2006). The bioecological model of human development. Handbook of Child Psychology. Wiley.
• Rutter, M. (2018). Gene–environment interplay. Development and Psychopathology, 30(3), 765–781. https://doi.org/10.1017/S095457941800017X
• McCartney, K., & Berry, D. (2021). Nature and nurture: The complex interplay. Child Development Perspectives, 15(2), 93–99. https://doi.org/10.1111/cdep.12402