Question: A scientist wants to test whether participating in support groups will have an effect on the mood of people with depression. Her expectation is that

A scientist wants to test whether participating in support groups will have an effect on the mood of people with depression. Her expectation is that participation will enhance mood. What is the experimental hypothesis? O Cannot be determined from the information given Participating in a support group will improve the mood of people with depression. O Participating in a support group will worsen the mood of people with depression. O Participating in a support group will have no effect on the mood of people with depression

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