To help her students understand the various parts of a neuron, an instructor compares a neuron to an electrical cord. Using this analogy, how would the instructor describe the myelin sheath?

Many parents worry that their children will be lured into negative and unhealthy behaviors if they give in to peer pressure. What does research suggest about these fears?

a. These fears have no merit, as peer pressure very rarely influences the actions of adolescents. b. These fears are only valid in Europe, where teenagers tend to be more reckless than in the United States of America. c. These fears are valid for girls, but not for boys. Research suggests that girls "cave" more easily to the demands of peer pressure, while boys are more able to resist peer pressure. d. These fears are well-founded, as teenagers of the same friendship group usually indulge in similar risky behaviors.

In which of Phinney's stages do individuals question which aspects of their ethnic identity make sense to them personally?

A) Moratorium B) Resolution of conflict C) Ethnic identity search D) Foreclosure