Quiz 7

If a researcher wants to select 50 customers from a sampling frame of 250 customers who have purchased at least $10,000 worth of products from his company within the past six months using a systematic sampling technique, after a random start, the researcher should select every ____ name on the list.

5th

All of the following are stages in the selection of a sample EXCEPT:

Analyze data

When a company decides to send an Internet survey to all of its 127-member sales force to determine their morale, this is an example of a:

Census

Which of the following probability sampling technique is low cost and frequently used?

Cluster

If a researcher for Proctor & Gamble selects five states randomly, and then selects 10 supermarket chains within each of these states to call for a phone survey for a test market of a new shampoo, what type of sampling procedure is being used?

Cluster sample

When a local television station sends a crew to interview joggers in the city park on a beautiful spring day, this represents what type of sample?

Convenience sample

When a researcher uses students to participate in a study because he has easy access to them, what type of sampling procedure does this represent?

Convenience sample

Which of the following is an advantage of quota sampling over probability sampling?

Convenience, lower costs, and speed of data collection

When a researcher has made the decision to conduct a survey using a sample of the population, the FIRST step in the selection of the sample is to:

Define the target population

When a marketing vice-president tells the marketing department to schedule a test market in Dallas because he feels that this city is "typical" of the composition of the target market for a new product nationally, this is an example of what type of sample?

Judgement sample

Which of the following is a non probability sampling technique in which an experienced individual selects the sample based on his or her judgement about some appropriate characteristics required of the sample member?

Judgement sample

If a national political pollster selects ten states randomly, then randomly selects five counties within each state, then randomly selects five voting precincts within these counties, then randomly selects five blocks within these precincts, then randomly selects five households for door-to-door interviews about their voting intentions in the next Presidential election, this is an example of what type of sampling procedure?

Multistage area sample

Lists of respondents who have agreed to participate in marketing research along with the e-mail contact information for these individuals are called:

Online panels

Janet has agreed to participate in surveys online. Every few weeks, she is sent an email requesting her to participate in an online survey. What did Janet do to become involved in these research studies?

Opted-in

In which type of sampling does every element in the population have a known, nonzero probability of selection?

Probability smapling

A stratified sample in which the number of sampling units drawn from each stratum is in proportion to the population size of that stratum is called a(n):

Proportional stratified sample

When the head of the marketing research department instructs field interviewers to interview owners of DVD players in a shopping mall such that they each interview 10 Sony owners, 8 PAnasonic owners, 6 Toshiba owners, and 4 owners of other brands, this represents what type of sampling procedure?

Quota sample

The difference between the sample result and the result of an accurate census is called:

Random sampling error

A telephone directory that lists the people in the phonebook by their street address instead of by their last name is called a:

Reverse directory

When a researcher wants to study the members of the American Marketing Association and selects a sample from its membership list, the membership list is an example of a:

Sampling frame

Which type of error occurs when certain sample elements are excluded or when the entire population is not accurately represented in the sampling frame?

Sampling frame error

A single element or group of elements that is eligible for selection via the sampling process is called a:

Sampling unit

If Northwest Airlines selects randomly a set of 40 flights on a given day, and then selects randomly a group of ten passengers on each of these flights to participate in an in-flight survey, the passengers are a:

Secondary sampling unit

When a marketing researcher wants to put together four focus groups of 18-24 year-old males who are "heavy downloaders of music" (defined as downloading 50 songs per month) and, instead of asking people at a shopping mall whether they download music from the Internet, he finds one person in the target market who qualifies, and then asks that person to suggest the names of two other males between the ages of 18-24 who download music so that the researcher can invite them to participate in the focus group, and then those people are each asked to suggest two others similar to themselves to participate in the focus group study, this procedure represents what type of sampling procedure?

Snowball sample

In which type of sampling is a subsample drawn using simple random sampling within each stratum?

Stratified sampling

Which type of sampling error is primarily due to the nature of a study's design and the correctness of execution?

Systematic sampling error