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Which of the following is not a good example of a scientific hypothesis (i.e., the hypothesis you would set up to test against the null hypothesis)?

Answers:
a.
Smaller class size is related to better academic performance.

b.
There is no relationship between fatigue and reaction time.

c.
A person's level of self-esteem is related to how long he or she will persist at a difficult task.

d.
Increased sugar consumption leads to an increased level of activity.

my answer is A is it correct

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1 answer
  1. Right, A.

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    Ms. Sue

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