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parental investment theory  

Definition

  • Parental Investment Theory is a biological theory that attempts to explain the dynamic, give-and-take relationships among parents, their offspring, and limited resources. In many species, parents are forced to make a difficult choice between investing in themselves (e.g., survival, mating) and investing in their offspring (e.g., feeding, protection). [Source: Encyclopedia of Human Relationships; Parental Investment Theory]

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https://concepts.sagepub.com/social-science/concept/parental_investment_theory

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