Which of the following research questions is most appropriate for a quantitative approach? Which is most appropriate for a qualitative approach? Explain your answers.

a. What are the differences between the school interactions, both with peers and teachers, of fifth-grade students with communication disorders and fifth-grade students with typical communication behaviors?

b. To what extent does parent education level predict the interaction skills of parents of one-year-old infants with a history of very low birth weight and parents of one-year-old infants with normal birth weight?