the postulation that several carnal variants in sexually reproducing species can be comprehended with regard to the quantity of time, energy and risk to their own survival which females and males invest in mothering or fathering versus mating. Variants in mothering or fathering and mating investment between females and males vary across species and as an operative of surrounding conditions.
PARENTAL INVESTMENT THEORY
Sam holds a masters in Child Psychology and is an avid supporter of Psychology academics.
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