Answer:
Placebo affect
Explanation:
This is an example of a placebo effect. A placebo is something that seems to be a "real" medical treatment but the truth, it isn't. It could be a pill, an injection, or some other kind of "fake" treatment. What all placebos have in common is that they do not encompass an active substance meant to affect health.
A is the best answer that can be provide
Answer:
There is a high positive correlation between sleep and exam performance.
Explanation:
The concept of correlation indicates an association, that is to say, it is used for measuring how much two variables relate to each other. The 3 results of a correlational study are positive, negative, and no correlation. A positive correlation takes place between 2 variables that can increase or decrease together. In this case, the more students sleep, the better they performed at their exams.
The answer to this question is <span>motion parallax
</span>Motion parallax<span> is an event when view objects that are closer to us as moving faster than those that's located further than us.
</span><span>This event is cause by relative velocities of objects moving across the retinae gives larger visual effects in close range distance rather than long ranged</span>