Life History Network in a Postconflict Socioecology: The Effect of Childhood Environment

IF 1.2 Q3 PSYCHOLOGY, BIOLOGICAL Adaptive Human Behavior and Physiology Pub Date : 2024-12-21 DOI:10.1007/s40750-024-00255-0

Janko Međedović, Tijana Karić, Senka Kostić, Uroš Kovačević

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Abstract

Purpose

The present study aimed to investigate the extent to which violent intergroup conflict may be associated with human life history trajectories.

Methods

We examined life histories in a postconflict socioecology (Bosnia and Herzegovina and Kosovo: N = 699) and compared them with a control condition (Serbia: N = 628) using the network analysis approach.

Results

Participants from the postconflict environment had higher number of children and reproduction planning, followed by lower age of first reproduction which suggest accelerated life histories. Network analysis showed that fertility and mating-related events in the control ecology were relatively independent from childhood environmental conditions, while fertility itself was positively associated with current socioeconomic status. In contrast, fertility and mating were linked with childhood economic family status and stability of the environment in the postconflict condition; current socioeconomic status was only related to childhood economic status in this network. Short-term mating and the onset of sexual behavior were more strongly positively related to the age of first reproduction in the postconflict socioecology, compared to the control socioecology. Fertility was positively associated with long-term mating and pregnancy planning, and negatively linked with the age of first reproduction in both ecological conditions.

Conclusions

Obtained findings are discussed within the theoretical frameworks of fast-slow continuum in life history trajectories and predictive adaptive response hypothesis. The results provide insights into how intergroup conflict may affect human life history dynamics and highlights the fruitfulness of using the network approach to analyze life history trajectories.

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冲突后社会生态学中的生活史网络：童年环境的影响

目的本研究旨在探讨族群间暴力冲突在多大程度上可能与人类生活史轨迹有关。方法研究了冲突后社会生态学地区（波斯尼亚和黑塞哥维那和科索沃：N = 699）的生活史，并使用网络分析方法将其与对照条件（塞尔维亚：N = 628）进行了比较。结果冲突后环境的被试有较高的子女数量和生育计划，其次是较低的首次生育年龄，表明其生活史加快。网络分析表明，对照生态的生育和交配相关事件相对独立于童年环境条件，而生育本身与当前社会经济状况呈正相关。相反，生育和交配与儿童时期的经济家庭地位和冲突后环境的稳定有关；在这个网络中，当前的社会经济地位只与儿童时期的经济地位有关。在冲突后的社会生态学中，与对照组相比，短期交配和性行为的发生与第一次繁殖的年龄有更强的正相关。在两种生态条件下，生育能力与长期交配和怀孕计划呈正相关，与首次繁殖年龄负相关。结论在生活史轨迹的快-慢连续体理论框架和预测适应性反应理论框架下讨论了研究结果。研究结果揭示了群体间冲突如何影响人类生活史动态，并强调了使用网络方法分析生活史轨迹的成果。

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来源期刊

Adaptive Human Behavior and Physiology PSYCHOLOGY, BIOLOGICAL-

CiteScore

3.10

自引率

6.20%

发文量

期刊介绍： Adaptive Human Behavior and Physiology is an international interdisciplinary scientific journal that publishes theoretical and empirical studies of any aspects of adaptive human behavior (e.g. cooperation, affiliation, and bonding, competition and aggression, sex and relationships, parenting, decision-making), with emphasis on studies that also address the biological (e.g. neural, endocrine, immune, cardiovascular, genetic) mechanisms controlling behavior.