In the United States,stepchildren who are less than two years of age are 100 times more likely to suffer abuse at the hands of stepparents than of biological parents.Evolutionary psychologists evoke the principle of ________ to explain this disturbing statistic.
A) diffusion of responsibility
B) inclusive fitness
C) natural selection
D) differential parental investment

Question

Quizplus · Accepted Answer

Evolutionary psychologists use the principle of inclusive fitness to explain why stepparents might be less biologically invested in the welfare of their stepchildren compared to biological children. This principle suggests that individuals are more likely to support and protect those who share a greater amount of their genetic material, which typically includes their own biological offspring.

In the United States,stepchildren Who Are Less Than Two Years