I believe the answer is: <span>make a decision about the stimulus.
It's written in this part of the research:
</span><span>. . .difference in reaction time between the simple and choice conditions of his . .
</span>Simple conditions resulted in fast reaction time, which also make it faster for individuals to make a decision about the stimulus. The opposite would happen if the conditions are more complicated.
C: lowering trade taxes since they traded most materials to one another.
The purpose of any program is to provide its listeners with good information regarding some topic which has relevance to the listener. Whether this is something political or something scientific totally depends on the programs we're talking about. It also depends on the format in which it will be told.
1 is false, waves can't propagate in a vacuum.
When a researcher accidentally influences how participants behave, this effect is referred to as placebo effect
<h3>
What is placebo effect?</h3>
The placebo effect occurs when a patient receives a "dummy" treatment such as a placebo and their physical and mental health improves as a result.
In a placebo effect, the patient only reacts to the treatment because they think it is having an impact on them.
Much like when you give a youngster sugar tablets to take the edge off of their agony, they take them like medicine and feel better.
<h3>How does the placebo effect work?</h3>
Because it tricks the brain into thinking it is healing itself by releasing hormones that make you "feel good," the placebo effect is very potent. Therefore, when your doctor prescribes a placebo, they do not inform you that it has no effect; rather, they inform you that it will help you with your illness.
Learn more about Placebo effect:
brainly.com/question/10467057
#SPJ4