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A 2022 meta-analysis found that even small sex-based differences in general intelligence among school-aged children were an artifact of older tests, with current test batteries showing no statistically significant difference between the sexes, but that differences in intelligence sub-types such as processing speed (favoring females) and visual ...
In the late 19th century, Charles Darwin proposed that cognition, or "intelligence," was the product of two combined evolutionary forces: natural selection and sexual selection. [95] Research on human mate choice showed that intelligence is sexually selected for, and is highly esteemed by both sexes.
The results found by the researches support the notion that gender differences in spatial abilities arose during human evolution such that both sexes cognitively and neurologically developed to behave adaptively. However, the effect of socialization and environment on the difference in spatial ability is still open for debate. [13]
Sexual selection is a biological way one sex chooses a mate for the best reproductive success. Most compete with others of the same sex for the best mate to contribute their genome for future generations. This has shaped human evolution for many years, but reasons why humans choose their mates are not fully understood.
Gender fluidity (commonly referred to as genderfluid) is a non-fixed gender identity that shifts over time or depending on the situation. These fluctuations can occur at the level of gender identity or gender expression .
FYI: The fluid (i.e. transformative) aspect of being gender-fluid can happen at any point in life. You can be super young or a supercentenarian—it doesn’t only occur during a particular time ...
The 21st century has witnessed a resurgence of research on gender differences in variability, with most of the emphasis on humans. The results vary based on the type of problem, but some recent studies have found that the variability hypothesis is true for parts of IQ tests, with more men falling at the extremes of the distribution.
Gender-based medicine, also called "gender medicine", is the field of medicine that studies the biological and physiological differences between the human sexes and how that affects differences in disease. Traditionally, medical research has mostly been conducted using the male body as the basis for clinical studies.