Equal status, shared goals, group interaction, and authority supporting the group are all part of what hypothesis?

The cephalocaudal trend in physical growth is illustrated by

A) earlier growth of the arms and legs than of the chest and trunk. B) later growth of the arms and legs than of the hands and feet. C) earlier growth of the legs and feet than of the arms and hands. D) later growth of the trunk and legs than of the head and chest.

People who smoke are also more likely to drink excessively, and people who overeat usually do not get enough exercise. These observations illustrate that

a. many people have a disease-prone personality. b. genetics plays a strong role in one's addictions. c. unhealthy lifestyles almost always create multiple risks. d. the causes of poor health are coincidental and unpredictable.