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2) In a different study, patients were divided randomly into two groups. One group received a well-known migraine headache medication called Maxalt, while another group received nothing. On average, there was a 40% decrease in pain levels after 2 hours for the group receiving Maxalt. The group who received nothing had a 15% decrease in pain. Part A: The patients were divided randomly, so the groups should be roughly similar. Unfortunately, there is still a confounding variable in this study. confounding variable? What is the Can we say that Maxalt causes a decrease in pain levels for migraine sufferers based on the results of this study? Explain your answer. Part B: When there is a confounding variable in a study, there is an alternate explanation for the changes observed. What is the alternate explanation for the changes in this study? Part C: Part D: What is a possible remedy for the confounding caused by providing the Maxalt pill? If we give a placebo to one group and Maxalt to the other, which group is the treatment group, and which is the control group? Part E: Treatment group: Control group: If we give a placebo to one group and Maxalt to the other, and the patients know what they are getting, do we still have a confounding problem? Explain your answer Part F: When we say that an experimental study implements blinding, we mean that patients do not know that they are receiving a placebo. Usually, the volunteers sign a statement that they understand they may receive an active treatment or they may receive a placebo. t tho Iniversity of Texas at Austin
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Answer #1

A)Here Maxalt is independent variable and pain reduction is dependent variable.Anything which has effects on the pain management ( without medication) is confounding variable

B)Yes ,Maxalt has significantly reduced the pain by its action on intracranial blood vessels and sensory nerves of trigeminal system.

C)The alternate explanation being pain intensity decreased without medication may be by rest.

D)The possible remedy is that it acted on the central nervous system and decreased the pain.

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