A child's temperament has no effect on the security of their attachment

Regarding the Big Five, most psychologists would probably agree with the statement that:

a. an individual's core traits change a lot throughout his or her lifetime. b. important traits involved in mental disorders are included in the Big Five. c. they only apply to people in western cultures, such as the United States and Great Britain. d. they lie at the core of key personality variations among individuals throughout the world.

Thomas clung to his mother’s leg when a stranger walked into the house. His mother looked down and asked Thomas to introduce himself. In a voice barely audible, he whispered, “Thomas.” Thomas showed shyness, also known as

a. externalizing problems. b. behavioral inhibition. c. autism spectrum disorder. d. the secure base.