In this blog post, we explore whether differences in ability between men and women stem from genetic factors or are the result of social influences, based on various studies and discussions.
Long ago, the president of a U.S. university sparked fierce backlash after stating that “women are inherently less capable in math and science.” This remark went beyond a mere academic opinion to ignite a controversy over gender discrimination, serving as a catalyst for the debate on gender-based ability differences. Over the years since then, this topic has remained at the center of various academic studies and social debates, and views on gender differences continue to be a matter of interest to many.
Some people still point to differences in traits between men and women, arguing that these differences stem from biological or genetic factors. While acknowledging that there is no difference in average IQ scores, they point out that a meaningful difference between men and women emerges when intelligence test results are analyzed by category. For example, they present evidence suggesting that women excel in verbal abilities while men excel in mathematical and spatial abilities, and they argue that these differences are fixed.
Such claims are often supported by scientific research findings. For instance, when discussing men’s superior mathematical abilities, theories are sometimes proposed suggesting that the male brain is better suited for processing spatial perception and logical thinking. Conversely, the claim that women excel in linguistic abilities is supported by research showing that women’s brains are more active in areas related to language processing. Such discussions reinforce the argument that differences in brain structure and function based on gender can explain differences in ability.
However, these claims are also subject to counterarguments. The argument that differences in intelligence or ability are influenced more by social and educational environments than by biological factors is also gaining traction. For example, some studies explain that the reason women lag behind men in mathematics and science is that they receive less interest and fewer educational opportunities in these fields from an early age. Additionally, analyses suggest that social customs that raise women and men differently have created these gender differences.
While the debate over the causes of gender differences—whether genetic or environmental—continues, this debate may hold little significance when it comes to the issue of equality. Even if gender differences are genetic, they cannot serve as a justification for discrimination. Equality is a principle that requires providing equal opportunities to everyone, and differences in ability due to genetic factors cannot undermine this principle. Rather, what is important is understanding and evaluating each individual on their own merits.
Regardless of the cause of gender differences, these differences exist only on average. Even the genetic hypothesis proposed to explain men’s superior spatial perception suggests that 25% of women would have better spatial perception than half of all men. In fact, it is easy to find women around us who possess superior spatial perception skills compared to men. Therefore, regardless of whether the genetic explanation is correct or not, making sweeping generalizations such as “You can’t be an engineer because you’re a woman” or “You can’t take care of a baby because you’re a man” is extremely dangerous.
To truly understand people, we must not lump them into a single category of “male” or “female.” We must view and approach each person as an individual. Even if scientific evidence proves that genetic gender differences exist, people should be evaluated based on their abilities and personalities, not their gender. Relying solely on prejudice to attribute differences between groups is a flawed approach.
Ultimately, the discussion of gender differences extends beyond the realm of scientific facts to encompass issues of social justice and equality. The reason it is important to discuss differences between men and women is that these differences can limit an individual’s potential. If we believe that gender differences exist, those differences must be respected; however, they must not be used to justify discrimination. What we should strive for is a society that acknowledges differences between men and women while ensuring that those differences do not restrict individual choices and opportunities.