B. A treatment's effects spreading from the experimental group to the control group.
<h3>Why would a control condition be used in an experiment?</h3>
When conducting an experiment, a control is a factor that doesn't change or is unaffected by other factors. It acts as a benchmark or point of comparison against which other test results are assessed.
The spread of the treatment from the experimental group to the control group is referred to as diffusion, and it has the effect of minimizing the difference between the two situations. When a group that has not previously received therapy hears about the care the other group is receiving, it expects the same or comparable care.
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<span>A leader cannot maintain a personal friendship with certain group-members they are leading without making the non-friends feel disadvantaged. Leaders need to be friendly without being friends. Becoming friends with or maintaining a friendship with a subordinate will create the appearance of favoritism.</span>
I believe the answer is: Dolly shots
Dolly shots is built on top of a rail that could be moved on a certain fixed path. It is used to follow the movement of a certain characters/event in the movie in order to produce dramatic effect that produce <span>psychological rather than literal revelations towards the audience.</span>
The Hundred Days Reform in China was partly brought about by China's defeat during <span>the Sino-Japanese War.</span>