American Express and French tourist office sponsored a survey that found that mo

Question

American Express and French tourist office sponsored a survey that found that most visitors to France do not consider the French to be specially unfriendly. The sample consisted of 1000 Americans who have visited France more than once for pleasure over the past 2 years.

Any potential sources of bias?

Indicate the type of sampling strategy involved. a.

Response bias is possible. The study was conducted in such a way as to achieve a desired response that may be different from the population in general.

b.

Under coverage bias is possible. Since only Americans who have visited France more than once for pleasure over the past 2 years were polled, their answer my differ from the general American population that travels abroad.

c.

There is no indication of bias.

d.

Unresponse bias is possible. Since Americans traveling to other countries were not surveyed, the study may misrepresent the general population.

Explanation / Answer

The population in the survey is visitors to France. So, the option b and d are not correct where the population considered is Americans traveling to other countries.

The survey research question is whether or not they consider the French to be specially unfriendly. The American tourist may feel pressure to give answers that are socially acceptable. So, most of them answer French as a friendly even if they feel not. Hence, the correct option is (a)

Response bias is possible. The study was conducted in such a way as to achieve a desired response that may be different from the population in general.

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