Which of the following would be an example of the coaction effect?
Option C.
As per the passage, a person’s performance is better in coaction than while working alone. Examples of cyclists in race and children turning wheels are given in the passage to substantiate this. Option C is in line with this idea as it states that players work harder when they exercise together than when they each exercise alone. As per options A and B,people perform better when someone oversees the work. This idea is not supported in the passage. Option D is against the passage.