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Physical and mental differences between men and women.

The most basic question of sex differences is whether the differences between the sexes are a result of our sex chromosomes, and genetic in nature, or did humans learn them from our social and cultural environments? This argument, usually referred to as the nature-nurture controversy, is one that is common in psychological work. Most psychologists attribute our differences to a combination of nature and nurture factors. However, psychologists must be careful in their study of sex differences. After all, men and women are much more similar to each other than they are different. In the past, too, many more apparent differences—either mental or physical—between the sexes were assumed to be inherent before they were proven untrue.

There are many issues...