Question 1

The statistical approach to determining sample size is based on the construction of confidence intervals around sample means or proportions.

Accepted Answer

A) True 
 B)False

Question 2

Which statement is not true about nonresponse issues in sampling?

Accepted Answer

A)  Increasing the response rate may not reduce nonresponse bias. 
B)  Nonresponse error is one of the most significant problems in survey research. 
C)  Response rates themselves do not indicate whether the respondents are representative of the original sample. 
D)  For a given study, if the nonrespondents differ from the respondents on the characteristics of interests, the sample estimates will only be mildly biased. 
A)  Increasing the response rate may not reduce nonresponse bias. 
B)  Nonresponse error is one of the most significant problems in survey research. 
C)  Response rates themselves do not indicate whether the respondents are representative of the original sample. 
D)  For a given study, if the nonrespondents differ from the respondents on the characteristics of interests, the sample estimates will only be mildly biased.

Question 3

The number of units that will have to be sampled will be determined by the _ .

Accepted Answer

A)  incidence rate 
B)  initial sample size 
C)  completion rate 
D)  final sample size 
A)  incidence rate 
B)  initial sample size 
C)  completion rate 
D)  final sample size

Question 4

Which method of improving response rate involves use of the foot- in- the- door or door- in- the- face technique?

Accepted Answer

A)  motivating the respondents 
B)  follow- up 
C)  incentives 
D)  prior notification 
A)  motivating the respondents 
B)  follow- up 
C)  incentives 
D)  prior notification

Question 5

Most refusals occur _ _.

Accepted Answer

A)  when the potential respondent first opens the mail package 
B)  immediately after the interviewer's opening remarks 
C)  when the potential respondent is well into the interview 
D)  Both A and B are correct. 
A)  when the potential respondent first opens the mail package 
B)  immediately after the interviewer's opening remarks 
C)  when the potential respondent is well into the interview 
D)  Both A and B are correct.

Question 6

Discuss what can be done to reduce not- at- homes.

Accepted Answer

The percentage of not- at- homes can be

Question 7

Which method of adjusting for nonresponse involves evaluating the likely effects of nonresponse based on experience and available information?

Accepted Answer

A)  sub- sampling of nonrespondents 
B)  replacement 
C)  subjective estimates 
D)  substitution 
A)  sub- sampling of nonrespondents 
B)  replacement 
C)  subjective estimates 
D)  substitution

Question 8

By inflating the standard deviation, it is possible to increase the sample size and thus the project revenue for the research firm.

Accepted Answer

A) True 
 B)False

Question 9

The for a point is the number of standard errors a point is away from the mean.

Accepted Answer

A)  variance 
B)  coefficient of variation 
C)  standard deviation 
D)  z- value 
A)  variance 
B)  coefficient of variation 
C)  standard deviation 
D)  z- value

Question 10

The confidence interval approach to sample size determination is based on the construction of confidence intervals around the means or proportions using the standardized variate formula.

Accepted Answer

A) True 
 B)False

Question 11

A _ is a summary description of a characteristic or measure of the sample. It is used as an estimate of the population parameter.

Accepted Answer

A)  statistic 
B)  precision level 
C)  finite population correction 
D)  parameter 
A)  statistic 
B)  precision level 
C)  finite population correction 
D)  parameter

Question 12

is a statistical procedure that attempts to account for nonresponse by assigning differential weights to the data depending on the response rates.

Accepted Answer

A)  Imputation 
B)  Subjective estimates 
C)  Weighting 
D)  Trend analysis 
A)  Imputation 
B)  Subjective estimates 
C)  Weighting 
D)  Trend analysis

Question 13

Prior notification increases response rates for samples of the general public because it reduces surprise and uncertainty and creates a more cooperative atmosphere.

Accepted Answer

A) True 
 B)False

Question 14

When conducting marketing research in foreign countries, statistical estimation of sample size may be difficult, as estimates of the population mean may be unavailable.

Accepted Answer

A) True 
 B)False

Question 15

Survey System (www.surveysystem.com) and the Discovery Research Group (www.drgutah.com) are Web sites on the Internet that offer free use of sample size and/or confidence interval calculators.

Accepted Answer

A) True 
 B)False

Question 16

Discuss four of the methods of reducing refusals to participate in a survey.

Accepted Answer

• Prior notification - In prior notifica

Question 17

The number of interviews that must be completed is the .

Accepted Answer

A)  incidence rate 
B)  initial sample size 
C)  completion rate 
D)  final sample size 
A)  incidence rate 
B)  initial sample size 
C)  completion rate 
D)  final sample size

Question 18

Which statement is not true about not- at- homes?

Accepted Answer

A)  Pre- notification and appointments increase the likelihood that the respondent will be at home when contact is attempted. 
B)  People with small children are more likely to be at home than single or divorced people. 
C)  Consumers are more likely to be at home on weekdays than on weekends. 
D)  Consumers are more likely to be at home in the evening as opposed to during the afternoon. 
A)  Pre- notification and appointments increase the likelihood that the respondent will be at home when contact is attempted. 
B)  People with small children are more likely to be at home than single or divorced people. 
C)  Consumers are more likely to be at home on weekdays than on weekends. 
D)  Consumers are more likely to be at home in the evening as opposed to during the afternoon.

Question 19

The is a correction for overestimation of the variance of a population parameter, e.g., a mean or proportion, when the sample size is 10 percent or more of the population size.

Accepted Answer

A)  statistic 
B)  precision level 
C)  finite population correction 
D)  parameter 
A)  statistic 
B)  precision level 
C)  finite population correction 
D)  parameter

Question 20

The statistically determined sample size is the net or final sample size-the sample remaining after eliminating potential respondents who do not qualify or who do not complete the interview.

Accepted Answer

A) True 
 B)False

Exam 12: Sampling: Final and Initial

The statistical approach to determining sample size is based on the construction of confidence intervals around sample means or proportions.

Which statement is not true about nonresponse issues in sampling?

The number of units that will have to be sampled will be determined by the _ .

Which method of improving response rate involves use of the foot- in- the- door or door- in- the- face technique?

Most refusals occur _ _.

Discuss what can be done to reduce not- at- homes.

Which method of adjusting for nonresponse involves evaluating the likely effects of nonresponse based on experience and available information?

By inflating the standard deviation, it is possible to increase the sample size and thus the project revenue for the research firm.

The for a point is the number of standard errors a point is away from the mean.

The confidence interval approach to sample size determination is based on the construction of confidence intervals around the means or proportions using the standardized variate formula.

A _ is a summary description of a characteristic or measure of the sample. It is used as an estimate of the population parameter.

is a statistical procedure that attempts to account for nonresponse by assigning differential weights to the data depending on the response rates.

Prior notification increases response rates for samples of the general public because it reduces surprise and uncertainty and creates a more cooperative atmosphere.

When conducting marketing research in foreign countries, statistical estimation of sample size may be difficult, as estimates of the population mean may be unavailable.

Survey System (www.surveysystem.com) and the Discovery Research Group (www.drgutah.com) are Web sites on the Internet that offer free use of sample size and/or confidence interval calculators.

Discuss four of the methods of reducing refusals to participate in a survey.

The number of interviews that must be completed is the .

Which statement is not true about not- at- homes?

The is a correction for overestimation of the variance of a population parameter, e.g., a mean or proportion, when the sample size is 10 percent or more of the population size.

The statistically determined sample size is the net or final sample size-the sample remaining after eliminating potential respondents who do not qualify or who do not complete the interview.

Introduction to Marketing

Defining the Marketing Research

Research Design

Exploratory Research Design

Exploratory Research Design

Descriptive Research Design

Causal Research Design

Measurement and Scaling

Measurement and Scaling

Questionnaire and Form

Sampling: Design and

Fieldwork

Data Preparation

Frequency Distribution, Crosstabulation, and Hypothesis

Analysis of Variance and

Correlation and Regression

Discriminant and Logit

Factor Analysis

Cluster Analysis

Multidimensional Scaling and

Structural Equation Modeling

Report Preparation and

International Marketing

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