... her examination. 25 of the students were told that Jane took her examination two days before her period (premenstrual group), whereas the other 24 students were told that the examination was two weeks before Jane's period was due (mid cycle group). Results: A comparison between the importance of the menstrual cycle in the mid-cycle and the pre-menstrual cycle has been made, and a contrast between the menstrual cycle and the lack of sleep has been calculated. Participants in both the mid cycle and premenstrual group considered that lack of sleep is of higher significance in influencing their decision than the menstrual cycle. The results that were gathered were used to calculate t-test scores. The result of the unrelated t-test is (t(47) = 0.97, p> 0.05), which does not support the hypothesis. The results of the related t-test do support the second hypothesis, as there was a significant difference, but did not ...

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