Which of the Following Is True About the Effects of Culture

Multiple Choice

Which of the following is true about the effects of culture on maturation?

A) Doctors now recommend that babies sleep on their stomachs so that they do not risk choking if they spit up during the night.
B) Navaho babies who are strapped to cradle boards do not develop normal walking ability until they are two to three years old.
C) Developmental milestones, such as the age at which crawling typically occurs, do not change.
D) Mayan Indians, rural Italians, African villagers, and urban Japanese typically let the infant sleep with the mother for the first few years of life, waking every four hours to nurse.