Question

You are interested in researching the effects of vitamin C on colds. For your study, you round up a group of people, all roughly the same age and healthy. You give them all vitamin C pills to take every day and have them check in with you once a month to see if they get a cold. Why is this not a good study design

Answer 1

Answer: the research study lacked a control group, It was  difficult to know individuals who are not taking  Vitamin C and exposed to cold

Explanation:

Normally in a research study there should  be a control group of the same age group like the study group in the same environment, who will not  Vit, C but a   placebo. To determine if Vitamin. C is   the  actual effective drug for prevention of cold  in the study group or other factors.

Therefore, in this study It was  difficult to know individuals who were not taking  Vitamin C and exposed to cold(control group) Because, it is the comparison of the  data from the control  group and the study groups  that is  needed to determine the efficacy of Vitamin C

Answer 2

The study of minerals is called mineralogy. There are different types of minerals are there and these are calcium, phosphorus, magnesium, sodium and etc.

The correct answer is the research study lacked a control group, It was  difficult to know individuals who are not taking Vitamin C and exposed to cold

What are minerals?

• A mineral or mineral species is, broadly speaking, a solid chemical compound with fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.
• The geological definition of mineral normally excludes compounds that occur only in living beings

Normally in a research study, there should be a control group of the same age group like the study group in the same environment, who will not have Vitamin, C but a   placebo. To determine if Vitamin. C is the actual effective drug for the prevention of cold in the study group or other factors.

Therefore, in this study, It was difficult to know individuals who were not taking Vitamin C and were exposed to cold(control group) Because it is the comparison of the data from the control group and the study groups that are needed to determine the efficacy of Vitamin C.

For more information about the minerals, refer to the link:-

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