Answer: The placebo effect
Explanation: The placebo effect is defined as a phenomenon in which some people experience a benefit after the administration of an inactive substance or sham treatment. What exactly is a placebo? A placebo is a substance with no known medical effects, such as sterile water, saline solution, or a sugar pill.
Yes it actually does because in most schools you have to have a gpa of 4.0
Manipulating stats can limit an individuals perception, so true