Are males truly smarter than females because of their brain size?
My answer addresses the issue only for humans. We still have quite inconclusive evidence on the fact that males would be smarter than females. Also, it does not seem that brain size should be directly related to intelligence (but rather brain content…). 1) “The current scientific consensus is that there are average overall differences in specific abilities and men have a wider spread in intelligence.” “IQ tests: According to Jackson and Rushton, during the early twentieth century, the scientific consensus held that gender plays no role in intelligence. They attribute this consensus in part to early work by Cyril Burt and Lewis Terman, who found no sex differences in the first IQ tests. In 1995, Hedges and Nowell demonstrated only statistically insignificant differences in average IQ between men and women using data published in several large representative studies published up until that year. A 1995 study performed by the American Psychological Association in response to the book Th
