An error is that the scientist did not control their variables. They had one group of people playing the game at 6, and another group playing at 12. This means that other things might have affected the scores other than what was being tested, which was caffeine.
A
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Producers are dependent on consumers because without the consumers no one would buy the producers product. since no one would be buying the producers product they would have no business. they depend on our money and for us to consume these products
