Who made the distinction between the "I-self" and the "me-self"?

A function of school-based health centers is to

A) provide services for mental health problems. B) improve students' academic performance. C) provide services for adolescents with physical health problems. D) all of the above.

What did Vygotsky refer to as the difference between skills or tasks that adolescents can accomplish alone and those they are capable of doing if guided by an adult or a more competent peer?

a. scaffolding b. zone of proximal development c. area of competence d. structuring