Question 6 of 10
2 Points
At City Community College, every freshman must take Math 101. The math
department wants to know whether students who take this class in their
second semester get better grades than students who take the class in their
first semester. Which principle of experimental design can the math
department best use to include a variety of students in both the first and
second semester treatment groups of the study?
O
A. Direct control
O
B. Replication
O
C. Randomization
O
D. Blocking