Question

The Nationwide Food Consumption Survey is the only survey on U.S household food consumption and individual diets. Done once a decade, it is the basis for decisions regarding food programs such as the multi- 2 billion dollar Food Stamps program. The survey conducted for the U.S Department of Agriculture in 1987-1988 did an extensive interview that required from 800 minutes to over 5 hours to complete in exchange for a $2 reimbursement. As a result only about one-third of the people contacted participated. In addition, interviewers were inadequately trained, there was a high interviewer turnover, and the survey design was disrupted. The combination of low response rate and poor execution of the survey resulted in data with low credibility, prompting the General Accounting Office to question whether or not the data were usable.

a) What are some potential sources of bias in this survey?

b) Explain how the problems you listed in (a) could influence the survey results.

Answer 1

answer:

a) What are some potential sources of bias in this survey?

• Potential wellsprings of inclination right now

1) Inadequately prepared questioners

2) Low investment of the individuals

b) Explain how the problems you listed in (a) could influence the survey results.

• the deficiently prepared interviewers may bring about poor execution of the study as they are not prepared they may pose inquiries in an alternate way or they may record the reactions erroneously.
• Furthermore as low individuals participated in the overview, this implies the given example is certifiably not a decent delegate of the populace..
• So this information ought not be utilized.