Exhibit 10

Exhibit 10.1: A third grade teacher feels that vocabulary instruction will help her children improve their reading scores.Half of her class receives vocabulary instruction, while the other half has a library period.She will compare reading scores after four months.
-Refer to Exhibit 10-1.The control group would be those who

A) are in the class.
B) are willing to cooperate in the research.
C) have a library period.
D) have high grade averages in reading.
E) receive vocabulary instruction.