Mike is working on an important project. He decides to drink coffee to help him concentrate better. After two cups of coffee, Mike finds himself focusing better on his work. He is even able to drown out the loud chatter of his co-workers. According to the Yerkes-Dodson law, which of the following is most likely the reason for Mike's improved concentration?

A) After Mike drank coffee, his arousal levels decreased, which is why he is able to focus better on his work.
B) After Mike drank coffee, his arousal levels went from high to low to high again.
C) After Mike drank coffee, his arousal levels increased, which is why he is able to focus better on his work.
D) Mike is highly stressed, which is why he is able to focus more narrowly on his work.

Question

Elvin Nisman · Accepted Answer

Final Answer : C, Explanation :  The Yerkes-Dodson law suggests that there is an optimal level of arousal for performance, and moderate arousal can enhance performance on tasks. Drinking coffee likely increased Mike's arousal levels to this optimal point, improving his concentration.

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