Part 3/13:
Overlap exists in the trait distributions, meaning that the highest levels of neuroticism—say, in the 95th percentile—are more likely to be found among women. The normal distribution curves for neuroticism among men and women overlap but are shifted, with women tilted toward higher negative emotionality.
Physical Size and Strength: The Coming of Age at Puberty
One of the most observable differences between sexes is body size. Boys and girls start off similar in stature and strength, but during puberty, testosterone drives an increase in male height, weight, and notably, upper-body muscularity. The result is that adult men possess significantly greater upper-body strength, a trait with profound implications in contexts like physical combat and self-defense.