What are the common mistakes in survey design

Reference no: EM13813333

1. What is the difference between one-sample t-test and 2-sample t-test? give some concrete examples

2. What are the common mistakes in survey design? How can we avoid those mistakes? Please give concrete examples.

3. It is a common practice for survey designers to include "neutral" in the scale. For example,

Do you agree that Obama care is a good policy? Rate this statement using a 5-point Likert scale:

1= strong disagree 2 = disagree 3=neutral 4=agree 5=strongly agree

•Peter, Paul, and Mary chose "3".
•Peter's position: "I am not sure. There are both pros and cons in this policy."
•Paul's position: "I already have my own insurance. I don't care."
•Mary's position: "I am a new immigrant. I don't know what Obamacare is. No idea!"

Are these "neutral" answers the same? If not, what number(s) should you assign to their positions? How would you rewrite the options (If necessary)?

Reference no: EM13813333

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