Is there a control group?

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Tutor: None Selected Time limit: 1 Day

Experimental design: Question 1asked is it better to take a shower in the morning, afternoon or night?

2nd  is i do you prefer to take a shower in the morning, afternoon or night?

asked q 1 to a population of 50, 2nd q to population of 50.

Oct 8th, 2015

As discussed before, the 1st question states more bias, while the 2nd is more neutral on a personal basis.

Answer: Reading further, surveys are not typically known to have control groups since they are based on opinion. If they're studying the psychology of the question then the 2nd group would be the control as stated before. 

If just wondering the general opinion of the data, then both of these two groups could be considered as controls for understanding the preferences for shower time. And also the mean between both groups of data could possibly be used as another control variable.

Taking the common definition for control groups as something used to benchmark a test sample, it's still most likely do you prefer to take a shower in the morning, afternoon or night being the control group to benchmark the first group that is questioned.

Oct 8th, 2015

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Oct 8th, 2015
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Oct 8th, 2015
Dec 4th, 2016
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