Exam 12: Sampling Designs and Sampling Procedures

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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?

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Name and describe the types of nonprobability sampling.

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Nonprobability sampling is a sampling technique in which units of the sample are selected on the basis of personal judgments or convenience,and there are four types discussed in the chapter:
(1)Convenience sampling - obtaining people or units that are conveniently available.
(2)Judgment sampling - also called purposive sampling; an experienced individual selects the sample based on his or her judgment about some appropriate characteristics required of the sample member.
(3)Quota sampling - ensures that the various subgroups in a population are represented on pertinent sample characteristics to the exact extent that the investigators desire.
(4)Snowball sampling - involves using probability methods for an initial selection of respondents and then obtaining additional respondents through information provided by the initial respondents.

When an Internet user gives permission to Southwest Airlines to e-mail him special price promotions as they are announced,the user has decided to ______for this type of database communication.

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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?

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A poll is an investigation of all the individual elements that make up the population.

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Which sampling technique is an economically efficient sampling technique in which the primary sampling unit is not the individual element in the population but a large cluster of elements?

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List brokers rent lists of names,addresses,phone numbers,and e-mail addresses of specific populations.

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

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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)_____.

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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?

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Explain reasons for taking a sample rather than a complete census.

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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 _____.

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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.

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A list of elements from which the sample may be drawn is called a _____.

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A bigger sample is needed if the elements of the population are quite diverse compared to if the elements of the population are quite similar.

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Sampling involves using a small number of people in the target market to make conclusions about the entire target market population.

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A unit that is selected in the first of several stages of sampling is called the ______.

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An area sample is the most popular type of stratified sample.

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A(n)_____ consists of a list of e-mail addresses of individuals who have agreed to participate in research surveys.

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Discuss the criteria researchers consider when deciding on the most appropriate sample design for a specific project.

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