Nature vs. Nurture in Adolescent Developmental Crises
This paper examines the nature vs. nurture debate as it applies to developmental crises in adolescence. Drawing primarily on Jerome Kagan's research into temperament, the paper argues that biological predispositions — including high- and low-reactive behavioral patterns observable in infancy — interact with environmental and social influences to shape how adolescents respond to stress. Topics covered include attachment theory, genetic contributors to conditions such as schizophrenia and sexual orientation, the role of brain structures like the amygdala in anxiety, self-fulfilling prophecies generated by rejection sensitivity, and the long-term consequences of early temperamental patterns. The paper concludes that neither nature nor nurture alone determines adolescent outcomes, but that the two operate in continuous, complex interaction.
- Introduction: Stress, Temperament, and Adolescence: Nature and nurture both shape adolescent stress responses
- Social Modeling and the Limits of Nature-Nurture Dichotomy: Environmental modeling interacts with innate temperament
- Biological and Environmental Roots of Anxiety: Genetics and prenatal environment contribute to anxiety disorders
- Measuring Stress Reactivity: Qualitative and Quantitative Approaches: Brain scans and interviews reveal reactivity differences
- Rejection Sensitivity and Self-Fulfilling Prophecy: High anxiety creates the very rejection adolescents fear
- Resilience, Reactivity, and the Adolescent Brain: Temperament shapes long-term resilience and adult outcomes
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What makes this paper effective
- Consistently anchors broad theoretical claims to specific empirical evidence, particularly Kagan's longitudinal temperament research, which gives the argument credibility and precision.
- Uses the concept of the self-fulfilling prophecy across multiple paragraphs to unify the discussion of high-reactivity, rejection sensitivity, and social reinforcement into a coherent through-line.
- Avoids a simplistic pro-nature or pro-nurture stance by acknowledging interaction effects throughout, which demonstrates sophisticated understanding of the debate.
Key academic technique demonstrated
The paper demonstrates effective synthesis of multiple source types — longitudinal developmental research, neuroimaging evidence, lecture material, and secondary theoretical frameworks (Bandura, attachment theory) — to build a layered, nuanced argument. Rather than presenting sources in isolation, the writer weaves them together to show how each piece of evidence both supports and complicates the others.
Structure breakdown
The paper opens by establishing the central tension between nature and nurture in adolescent stress response, then progressively introduces supporting evidence: social modeling, prenatal environmental effects, psychiatric history, brain-based anxiety measurement, and finally the social consequences of high reactivity. Each section adds a new dimension to the argument rather than simply restating it, moving from biological foundations toward social and developmental outcomes.
Introduction: Stress, Temperament, and Adolescence
Our culture regards adolescence as an inherently stressful period because of the environmental pressures it places upon teenagers. However, there is also a great deal of evidence that "nature" affects an individual's ability to withstand stress as much as "nurture," and there is a certain consistency in a person's character throughout his or her lifetime regarding the ability to cope. Adults may simply be better able to regulate stress because of their greater ability to control and choose their life situations, but they may still exhibit the same easily stressed personality they manifested in childhood and adolescence. A longitudinal study of children who were chronically shy found that they tended to self-select careers offering greater control over their environment, compared to their more daring peers (Kagan 2010: 5–6). Studies of infants' reactions to new stimuli — whether fearful or open — foreshadowed their reactions to later events as they aged (Kagan 2010: 10).
Social Modeling and the Limits of Nature-Nurture Dichotomy
Yet social modeling can also affect an individual's responses regardless of temperament, as seen in Bandura's studies of children modeling violent behavior only when it was suggested they do so, as well as chimpanzees' responses to snakes and other potentially threatening stimuli — though notably not to non-threatening stimuli such as flowers. The nature-nurture debate is not a black-and-white issue. A host of different environmental and genetic factors interact to influence the reactions and behaviors of developing adolescents.
For example, some research indicates that while certain unpleasant smells and stimuli produced extremely negative reactions in infants, others did not. Social conditioning is not necessary for infants to react strongly to bitter smells and tastes, but even in the absence of external stimuli, infants may mimic the responses of caregivers, demonstrating that they are fundamentally social beings. Even the most genetically oriented theorists acknowledge that there may be certain developmental universals, such as the need for a secure attachment with a caregiver. "Because being attached to other humans is key to survival, disorders of attachment are regarded as serious; babies and toddlers who don't have a preference for primary caregivers are in danger of severe emotional disabilities. Some may seem independent, others appear too clingy, still others are too ready to take off with anyone." A host of individualistic and broadly human biological responses, combined with environment, shape character.
References
Kagan, J. (2010). The temperamental thread: How genes, culture, time and luck make us who we are. Dana Press: New York.
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