Answer:
B. control group.
Explanation:
In the given experiment there two <em>groups of participants:</em> the <em>experimental group</em> - students who are consistently given excellent grades in math by their teachers, and the <em>control group</em> - students who are consistently given average scores. The control group is not under influence of the factor of consistently high grades (independent variable), impact of which on self esteem Noelle is testing. Here, the control group is used as a benchmark to <u>measure the effect of the independent variable under investigation</u>.
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What's the background to this question? Is it in a certain war or something?
Integrity is acting consistently according to one’s values and principles.