The correct option to fill the sentence in the paragraph is about Psychology is:
experimental group
In the example of how violent television programming might affect violent behavior in children, the <u>experimental group</u> views violent television programming for a specified time.
<h3>Experiment Definition</h3>
In this experiment, to define the violent behavior when a child watch violent television programs, the psychologysts selected a <u>experimental group</u> to watch violent television programs and identifiy their behavior, studying if it was more violent than average or not.
And other hand, they selected another similar experimental group and this group watches nonviolent television and the psychologyst <u>compared</u> the results between the two groups.