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Physics 13 Online
bill533:

A researcher is studying the effects of negative outcomes on the human brain in a psychological experiment. The researcher shows ten participants various pictures and designs. When the participants see a red star, they are immediately given a brief, painful shock and their brainwaves are analyzed. A different group of ten participants is given the same pictures and designs but are given no shock when they see the red star. What was the control in the experiment? A) The group that is given no shock. B) The pictures and designs. C) The electrical shock. D) The picture of the red star.

Gdeinward:

Do you have any ideas bill?

bill533:

i believe the answer is d

Gdeinward:

That's close, but control is something within the data that you can compare what you are trying to study. They are trying to study negative outcomes on the human brain. What group did not experience a negative?

bill533:

ten participants

bill533:

i believe it is A

Gdeinward:

you are correct. Good job

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