Identify Each Experiment Below as an Independent Samples Design or a Paired

Multiple Choice

Identify each experiment below as an independent samples design or a paired samples design.
-On the basis of a pretest on knowledge of foreign governments, each student in the 9:00 class was matched with a student in the 10:30 class. The 9:00 class used a "participant approach" to the study of politics and the 10:30 class used the "Heidleburg method." At the end of the term the same test was given to both classes.

A) independent
B) paired