Alice Wanted to Study the Effects of a New Teaching

Multiple Choice

Alice wanted to study the effects of a new teaching technique on learning. She randomly divided her student subjects into two groups and used the new teaching technique with just one of the groups. Then she administered an exam to the two groups and compared their grades. Her experimental group was the group who

A) got the highest grades.
B) was exposed to the new teaching technique.
C) was not exposed to the new teaching technique.
D) got the lowest grades.