Exam 11: Basic Sampling Issues

When & why does sampling error occur? If the sampling error emanates from some type of improper execution of the sampling plan what is it called? Can it be measured? What kind of sampling error can be measured and how can it be reduced?

The type of error which results from the fact that samples are not perfectly representative of the populations from which they are drawn is known as _______.

Which of the following sample types is often used as a substitute for simple random sampling?

Discuss why an online research program would draw from multiple respondent pools.

Characterize the ideal sampling frame. How often is an "ideal" sampling frame available? If an "ideal" sampling frame isn't available, what kind of sample frame is needed?

Under what kind of sampling procedure must the researcher adhere closely to precise selection procedures to ensure that the results are projectable to 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?

_____________ is the total group of people from whom information is obtained.

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?

Convenience samples should not be used in marketing research.

Which of the following could serve as the basis for forming a stratum?

Which of the following sampling methods is the most statistically efficient (the most representative)?

One of the advantages of Internet surveys is that target respondents can complete the survey at their convenience.

Proportional allocation is also referred to as optimal allocation.

A researcher randomly selected 10 census tracts from a metropolitan area. Within each census tract, 30 households were randomly selected. The sampling technique just described would be a ______________.

Which of the following is an advantage to Internet sampling?

Frequently, one of the first questions a survey asks is whether the respondent or anyone in the respondent's immediate family works in marketing research, advertising or the product or service area at issue in the survey. These types of questions are called:

There is never a reason to exclude someone in a sample population from a survey.

The first step in the development of a sampling plan is to:

Of the following, which is the most important consideration when choosing a sample?