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Exam 13: Basic Sampling Issues

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Question 21

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Convenience samples should not be used in marketing research.

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Question 22

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________________ samples must be selected in such a way that every element of the population has a known and equal chance of being selected.

A) Cluster
B) Simple random
C) Convenience
D) Systematic random
E) Stratified random

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Question 23

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There are four types of probability sampling methods: simple random sampling,systematic sampling,quota sampling,and cluster sampling.

Interviewing costs are dramatically reduced under which of the following sample type?

Under the right circumstances and all other things equal,_________ produces the most efficient samples and provides the most precise or reliable estimates for a given sample size.

All other things equal,larger samples will have less ___________ than smaller samples.

Systematic sampling includes a compromise for expediency and has a very small risk of producing a nonrepresentative sample.

The difference between the sample result and true population value is known as __________.

A researcher invokes a pilot sample and finds that respondents from households with less than $50,000 annual income respond very differently than respondents from households with greater than $50,000 annual income,with regard to the key survey questions.In addition,the researcher's preliminary results show greater variance among respondents in the over $50,000 households.Given the preceding,which probability sampling method should the researcher invoke and why?

Developing an appropriate sampling frame is often one of the easiest things that a researcher faces.

Increasingly researchers are turning to methodologies that involve blending sample based on interviews collected by different means such as SMS,mail and telephone.

In marketing research,it is always preferable to take a census rather than a sample of the population under study.

Which of the following sampling techniques would give the researcher the most confidence in projecting the findings to the overall population?

Marketing researchers might view a respondent whose family works in marketing as a security threat.

Simple random samples require a detailed listing of the population of interest.

Probability samples are more popular in marketing research than nonprobability samples.

Which of the following sampling methods,if properly invoked,will produce projectable results?

If the researcher is expecting different responses between males and females in a study,which type of sample might be most useful?

Which of the following is a correct statement regarding probability samples?

Stratified sampling is a type of probability sampling.