Twelve-Year-Old Nathaniel Was Having Trouble Solving the Word Problems in His

Multiple Choice

Twelve-year-old Nathaniel was having trouble solving the word problems in his math homework. However, when his dad helped him by reading the problems aloud and emphasizing the important information, Nathaniel could solve all the problems correctly. Which of the following concepts is being illustrated in this scenario?

A) Piaget's concept of conservation
B) Erikson's concept of industry versus inferiority
C) Piaget's concept of concrete operational thought
D) Vygotsky's concept of the zone of proximal development