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.In order to test her hypothesis the teacher should have which group receive vocabulary instruction?

Question

Quizplus · Accepted Answer

To ensure that the comparison between the two groups is fair, the teacher should randomly select the group to receive vocabulary instruction. This will help minimize bias and increase the validity of the results.