Which is the best evidence for the notion that sociocultural forces play a role in handedness?
A) Only 10 percent of the population is left-handed.
B) Right-handed parents tend to have right-handed offspring.
C) When societal attitudes change, the incidence of left-handedness changes.
D) In American culture, most desks and scissors and golf clubs are made for right-handers.

Question

Quizplus · Accepted Answer

The fact that the incidence of left-handedness changes with societal attitudes suggests that sociocultural forces play a role in handedness. If genetics were the only factor, we would expect a steady prevalence of left-handedness regardless of societal attitudes. However, the fact that the prevalence changes suggests that cultural factors can influence the expression of handedness.

Which Is the Best Evidence for the Notion That Sociocultural