In writing the cover letter to accompany a survey, novice researchers often stress the immediacy of their need for the data.
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Get it written →In writing the cover letter to accompany a survey, novice researchers often stress the immediacy of their need for the data. Is this the best approach to take in the cover letter? If not, what do you recommend?
The authors of your textbook suggest that sampling bias is virtually unavoidable and that it is important to disclose and discuss possible sources of bias in the study report. Do you agree? Explain your position.
Factorial designs allow researchers to study the effects of more than one independent variable simultaneously. Why is this advantageous? What information can factorial designs yield that nonfactorial designs cannot?
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