Which research method studies media effects under carefully controlled conditions?

When Jeri argued that the rise in teen pregnancy over the past twenty years is a direct result of sex education in the primary schools, he was using what type of causal reasoning?

A) assignment of responsibility B) explanation C) common cause D) steps to a goal E) prediction

In dialogic situations, other participants can direct both the topic and form of interaction

a. True b. False Indicate whether the statement is true or false