Question 1

Which of the following statements is not true?

Accepted Answer

A)   For probability samples,sampling error can be reduced by decreasing the sample size.
B)   Nonsampling error is a tendency toward error in one direction or the other and can be present even if a complete census is taken.
C)   In probability sampling,each element in the population has some (nonzero) known or calculable chance of being included in the sample.
D)   In nonprobability sampling,not everyone in the population has a chance of being included in the sample.
E)   Nonprobability techniques discussed in the text include convenience,quota,purposive,and judgment sampling.F) C) and D)
G) B) and C)

Question 2

In experiments,the purpose is to identify ____________________ and ____________________ relationships between variables.

Accepted Answer

The answer of In experiments,the purpose is to identify ____________________...

Question 3

Bias is a type of error that can occur because a sample has been taken rather than a census.

Accepted Answer

A) True 
 B)False

Question 4

A marketing research firm divides the population of a state into geographic areas,as shown on the diagram below.  What type of sample are they taking? How will they select the sample?

Accepted Answer

Cluster; They will randomly se...

Question 5

Which of the following variables probably could be measured in an observational study of airline travelers?

Accepted Answer

A)   The brand of coffee they drink at home.
B)   The occupation of the traveler.
C)   How many frequent traveler miles they have earned.
D)   The gender of the traveler.
E)   The total number of bags taken on the airplane trip (carry-on and checked) .F) A) and D)
G) B) and E)

Question 6

Which of the following statements describe secondary external data?

Accepted Answer

A)   A manufacturer of semiconductors experiments with different designs and records the data.
B)   A mail order company conducts a telephone survey among recent purchasers.
C)   A presidential candidate commissions a political survey organization to establish the percent of persons favoring her candidacy.
D)   A recent graduate of mortuary school samples the death rate statistics for counties in her state in hopes of finding a good location to start a mortuary.
E)   Consumers Union purchases 25 brands of lawnmowers and tests them for various attributes.F) A) and D)
G) A) and B)

Question 7

____________________ validity asks whether the results of an experiment can be generalized to other people or settings.

Accepted Answer

The answer of ____________________ validity asks whether the results of...

Question 8

When every possible sample of size n has the same chance of being selected,this is called:

Accepted Answer

A)   simple random sampling.
B)   stratified sampling.
C)   cluster sampling.
D)   convenience sampling.
E)   quota sampling.F) A) and E)
G) A) and C)

Question 9

A manufacturer is introducing a new scientific calculator and wishes to conduct a test of its ease of use.He selects a group of University math majors for his experiment.This is an example of which type of nonprobability sampling?

Accepted Answer

The answer of A manufacturer is introducing a new scientific...

Question 10

Briefly,what kind of information does the U.S.Department of Commerce provide in its Census of Population?

Accepted Answer

The Census of Population is the research...

Question 11

A sample consisting of firms or persons who have engaged in a specific behavior or activity are said to be taken from a compiled list.

Accepted Answer

A) True 
 B)False

Question 12

Response error can occur when an individual fails to return a questionnaire.

Accepted Answer

A) True 
 B)False

Question 13

What is data warehouse?

Accepted Answer

Data warehouse is a large collection of ...

Question 14

The ____________________ is a method in which a moderator leads a small-group discussion about a topic and the client watches and listens from behind a one-way mirror.

Accepted Answer

focus grou...

Question 15

Regarding causal studies,it should be pointed out that statistical techniques alone can prove causality.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is an example of nonsampling errors?

Accepted Answer

A)   Errors that arise from the recording of incorrect responses
B)   Errors that arise when responses are not obtained from some members of the sample
C)   Errors that arise when some members of the target population cannot possibly be selected in the sample
D)   All of these.E) A) and D)
F) A) and C)

Question 17

Briefly,what kind of information does the U.S.Department of Commerce provide in its Census of Housing?

Accepted Answer

This report is published every 10 years ...

Question 18

Questionnaires should be pretested by personally administering them to a small number of persons who are similar to the eventual sample members.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is a nonprobability sample?

Accepted Answer

A)   Simple random sample
B)   Systematic sample
C)   Judgment sample
D)   Stratified sample
E)   Cluster sampleF) C) and D)
G) A) and B)

Question 20

In evaluating experiments,two kinds of validity must be considered: internal and external.

Accepted Answer

A) True 
 B)False

Exam 4: Data Collection and Sampling Methods

What is data warehouse?

Correct AnswerverifiedData warehouse is a large collection of ...View AnswerShow Answer

Which of the following statements is not true?

Correct AnswerverifiedShow Answer

In evaluating experiments,two kinds of validity must be considered: internal and external.

Correct AnswerverifiedShow Answer

Which of the following statements describe secondary external data?

Correct AnswerverifiedShow Answer

Briefly,what kind of information does the U.S.Department of Commerce provide in its Census of Housing?

Correct AnswerverifiedThis report is published every 10 years ...View AnswerShow Answer

Which of the following is an example of nonsampling errors?

Correct AnswerverifiedShow Answer

A manufacturer is introducing a new scientific calculator and wishes to conduct a test of its ease of use.He selects a group of University math majors for his experiment.This is an example of which type of nonprobability sampling?

Correct AnswerverifiedShow Answer

____________________ validity asks whether the results of an experiment can be generalized to other people or settings.

Correct AnswerverifiedShow Answer

Which of the following is a nonprobability sample?

Correct AnswerverifiedShow Answer

When every possible sample of size n has the same chance of being selected,this is called:

Correct AnswerverifiedShow Answer

Response error can occur when an individual fails to return a questionnaire.

Correct AnswerverifiedShow Answer

Regarding causal studies,it should be pointed out that statistical techniques alone can prove causality.

Correct AnswerverifiedShow Answer

Bias is a type of error that can occur because a sample has been taken rather than a census.

Correct AnswerverifiedShow Answer

In experiments,the purpose is to identify ____________________ and ____________________ relationships between variables.

Correct AnswerverifiedShow Answer

A marketing research firm divides the population of a state into geographic areas,as shown on the diagram below. What type of sample are they taking? How will they select the sample?

Correct AnswerverifiedCluster; They will randomly se...View AnswerShow Answer

Briefly,what kind of information does the U.S.Department of Commerce provide in its Census of Population?

Correct AnswerverifiedThe Census of Population is the research...View AnswerShow Answer

Questionnaires should be pretested by personally administering them to a small number of persons who are similar to the eventual sample members.

Correct AnswerverifiedShow Answer

The ____________________ is a method in which a moderator leads a small-group discussion about a topic and the client watches and listens from behind a one-way mirror.

Correct Answerverifiedfocus grou...View AnswerShow Answer

A sample consisting of firms or persons who have engaged in a specific behavior or activity are said to be taken from a compiled list.

Correct AnswerverifiedShow Answer

Which of the following variables probably could be measured in an observational study of airline travelers?

Correct AnswerverifiedShow Answer

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Data warehouse is a large collection of ...
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Correct Answer
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Correct Answer
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This report is published every 10 years ...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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In experiments,the purpose is to identify and relationships between variables.

Correct Answer
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Correct Answer
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Cluster; They will randomly se...
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Correct Answer
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The Census of Population is the research...
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Correct Answer
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focus grou...
View Answer

Correct Answer
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Correct Answer
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