Vygotsky's concept of the zone of proximal development (ZPD) is based on the idea that the ZPD is made up of tasks that are:
a. too difficult for individuals to master alone but can be mastered with the help of adults or more skilled adolescents
b. close to the basic interests and instincts of the adolescent, and these are mastered first and best
c. easily identified and easily discovered, as they are obvious and central to daily functioning
d. easily completed and are done before the more difficult tasks, which require different types of thinking
Question 2
Which of the following structures of the ear equalizes pressure between the outer and middle ear?
a. eustachian tube c. semicircular canal
b. fluid-filled cochlea d. tympanic membrane