Environmental risks, life history strategy, and developmental psychology

Area of Science:

• Evolutionary biology
• Developmental psychology

Background:

• Life history theory (LHT) provides a framework for understanding human individual differences and development.
• Its complexity can be a barrier for psychologists, necessitating a clear introduction to its principles and applications.

Purpose of the Study:

• To introduce the evolutionary biological backgrounds and basic principles of LHT.
• To explain the applications of LHT in developmental psychology.
• To clarify the relationship between LH strategy, traits, and the fast-slow paradigm.

Main Methods:

• Review of key concepts in LHT, including the fast-slow paradigm.
• Examination of theoretical and empirical work on four basic LH trade-offs.
• Analysis of environmental risks (morbidity-mortality, competition, resource scarcity, unpredictability) and their effects on human LH strategy.
• Discussion of LH calibration models in evolutionary developmental psychology.

Main Results:

• An integrated model of LH trade-offs shapes human LH strategies.
• Environmental risks significantly influence human LH strategies.
• LH calibration models explain environmentally sensitive developmental processes contributing to trait variation and plasticity.

Conclusions:

• Developmental psychology can benefit from embracing the LHT approach.
• Further research is needed to address outstanding questions in LHT within psychology.