Answer:
Humans are emotional beings
Explanation:
Corrected
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>.
I think the correct answer would be D. The brain waves changes from stage 1 to stage 2 as a person sleeps in a way that these waves become slower. That is, the amplitude would decrease since less activity is done and the frequency would decrease as well since less wave passes per second.