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The New England Journal of Medicine (NEJM) is a weekly medical journal published by the Massachusetts Medical Society. Founded in 1812, the journal is among the most prestigious peer-reviewed medical journals. [1] Its 2023 impact factor was 96.2, ranking it 2nd out of 168 journals in the category "Medicine, General & Internal". [2]
This could gain them resources; provide genetic benefit, as through the sexy son hypothesis; facilitate a desired break-up; and allow them to assess a mate's suitability as a long-term partner. [67] Women prefer long-term partners over short-term mates, as they have a larger investment in a child through pregnancy and lactation. [67]
Dependable/Stable vs. Good Looks/Health—trade-off between choosing an emotionally stable partner and one that is physically attractive Education/Intelligence vs. Desire for Home/Children—trade-off between educational factors and a range of family matters like wanting of kids and chastity Long term relationship success has been found to have ...
Women may also use short-term mating if their current partner has depreciated in value, and they wish to 'trade up' and find a partner that they believe has higher value. [ 5 ] Short-term for long-term goals: Women may use short-term sexual relationships in order to assess a mate's value as a long-term partner, or in the hopes that the short ...
Filter theory is a sociological theory concerning dating and mate selection.It proposes that social structure limits the number of eligible candidates for a mate. [1] Most often, this takes place due to homogamy, as people seek to date and marry only those similar to them (characteristics that are often taken into account are age, race, social status and religion). [1]
Dating preferences refers to the preferences that individuals have towards a potential partner when approaching the formation of a romantic relationship. This concept is related to mate choice in humans, the research literature there primarily discusses the preference for traits that are evolutionarily desirable, such as physical symmetry, waist-to-chest ratio, and waist-to-hip ratio.
Sexual selection is an evolutionary concept that has been used to explain why, in some species, male and female individuals behave differently in selecting mates. In 1930, Ronald Fisher wrote The Genetical Theory of Natural Selection, [3] in which he introduced the modern concept of parental investment, introduced the sexy son hypothesis, and introduced Fisher's principle.
The court ruled that the partner who was not the biological parent was to be regarded as a natural parent and guardian and that the children were legitimate in law, and ordered the Department of Home Affairs to register both partners as parents on the children's birth certificates. [1] [2]