__________ is an anxiety disorder characterized by the persistent reexperience of traumatic events through distressing recollections, dreams, hallucinations, or dissociative flashbacks

One of Vygotsky's most famous concepts was the zone of proximal development, which asserts that

there is a certain place in a school where most learning occurs. children can only reach a certain level of intelligence. children can master some tasks with the help of others. certain parts of the brain need to be activated.

Girls tend to use physical appearance when determining their global self-esteem. Because girls tend to view their physical appearance ____

a. positively, their global self-esteem is quite high throughout adolescence b. negatively, their global self-esteem is lower than boys' during adolescence c. neutrally, their global self-esteem is variable throughout adolescence d. Negatively, their global self-esteem is very high during adolescence