What is the Independent and Dependent Variable for this problem, also state the null hypothesis?

Posted: August 17th, 2010 | Author: admin | Filed under: light therapy for depression | Tags: , , , , , , | 1 Comment »

A research study was done on Seasonal depression and the effectiveness of Light Therapy Lamps in men vs. women over a time period of 6 weeks. The men and women were given a survey on depression at the beginning of the treatment, and the same men and women were given the the exact same survey at the end of the treatment. The research stated that at the end of treatment women were reporting less depressive symptoms than men.

Also if possible state the null hypothesis, and the research hypothesis.


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