Question 1

Which of the formulas below would be used to determine the sample size using the formula for the standard error of the mean?

Accepted Answer

A) σX = D/z 
B) 
n =   
C) 
n =   
D) A and C are correct. 
A) σX = D/z 
B) 
n =   
C) 
n =   
D) A and C are correct.

Question 2

Prepaid incentives have been shown to increase response rates to a greater extent than promised incentives.

Accepted Answer

A) True 
 B)False

Question 3

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 4

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

Accepted Answer

∙ Prior notification - In prior notifica

Question 5

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

Accepted Answer

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

Question 6

The concept of a sampling distribution enables us to use probability theory to make inferences about the population values.

Accepted Answer

A) True 
 B)False

Question 7

________ is a method of adjusting for nonresponse in which the researcher tries to discern a trend between early and late respondents. This trend is projected to nonrespondents to estimate their characteristic of interest.

Accepted Answer

A) Subjective estimates 
B) Subsampling of nonrespondents 
C) Imputation 
D) None of the above are correct. 
A) Subjective estimates 
B) Subsampling of nonrespondents 
C) Imputation 
D) None of the above are correct.

Question 8

Nonresponse rates should always be reported and, whenever possible, the effects of nonresponse should be estimated.

Accepted Answer

A) True 
 B)False

Question 9

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 10

The z value for a point is the number of standard deviations a point is away from the mean.

Accepted Answer

A) True 
 B)False

Question 11

Which method of improving response rate involves offering potential respondents monetary and non-monetary gifts?

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 12

Specify the level of confidence is the first step in the confidence interval approach to determining sample size.

Accepted Answer

A) True 
 B)False

Question 13

The sampling distribution is the probability of the values of a sampling statistic computed for each possible sample that could be drawn from the target population under a specified sampling plan.

Accepted Answer

A) True 
 B)False

Question 14

In the statistical approach to determining sample size, the precision level is specified in the end.

Accepted Answer

A) True 
 B)False

Question 15

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 16

In ________, cost does not enter directly into the calculation of sample size.

Accepted Answer

A) stratified sampling 
B) simple random sampling 
C) cluster sampling 
D) A and C are correct 
A) stratified sampling 
B) simple random sampling 
C) cluster sampling 
D) A and C are correct

Question 17

n =   Based on the above formula for sample size, sample size increases with increases in all of the items below except ________.

Accepted Answer

A) sample size increases with an increase in the population variability 
B) sample size increases with an increase in the degree of confidence 
C) sample size increases with an increase in the precision level required of the estimate 
D) All of the above are true. Sample size increases with increases in all of the items above. 
A) sample size increases with an increase in the population variability 
B) sample size increases with an increase in the degree of confidence 
C) sample size increases with an increase in the precision level required of the estimate 
D) All of the above are true. Sample size increases with increases in all of the items above.

Question 18

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 19

When the sample size is 10 percent or more of the population size, the standard error formulas will overestimate the standard deviation of the population mean or proportion. Hence, these should be adjusted by a finite population correction factor.

Accepted Answer

A) True 
 B)False

Question 20

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

Exam 12: Sampling: Final and Initial Sample Size Determination

Which of the formulas below would be used to determine the sample size using the formula for the standard error of the mean?

Prepaid incentives have been shown to increase response rates to a greater extent than promised incentives.

The number of interviews that must be completed is the ________.

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

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

The concept of a sampling distribution enables us to use probability theory to make inferences about the population values.

________ is a method of adjusting for nonresponse in which the researcher tries to discern a trend between early and late respondents. This trend is projected to nonrespondents to estimate their characteristic of interest.

Nonresponse rates should always be reported and, whenever possible, the effects of nonresponse should be estimated.

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

The z value for a point is the number of standard deviations a point is away from the mean.

Which method of improving response rate involves offering potential respondents monetary and non-monetary gifts?

Specify the level of confidence is the first step in the confidence interval approach to determining sample size.

The sampling distribution is the probability of the values of a sampling statistic computed for each possible sample that could be drawn from the target population under a specified sampling plan.

In the statistical approach to determining sample size, the precision level is specified in the end.

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

In ________, cost does not enter directly into the calculation of sample size.

n = Based on the above formula for sample size, sample size increases with increases in all of the items below except ________.

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

When the sample size is 10 percent or more of the population size, the standard error formulas will overestimate the standard deviation of the population mean or proportion. Hence, these should be adjusted by a finite population correction factor.

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

Introduction to Marketing Research

Defining the Marketing Research Problem and Developing an Approach

Research Design

Exploratory Research Design: Secondary Data

Exploratory Research Design: Qualitative Research

Descriptive Research Design: Survey and Observation

Causal Research Design: Experimentation

Measurement and Scaling: Fundamentals and Comparative Scaling

Measurement and Scaling: Noncomparative Scaling Techniques

Questionnaire and Form Design

Sampling: Design and Procedures

Fieldwork

Data Preparation

Frequency Distribution, Cross-Tabulation, and Hypothesis Testing

Analysis of Variance and Covariance

Correlation and Regression

Discriminant and Logit Analysis

Factor Analysis

Cluster Analysis

Multidimensional Scaling and Conjoint Analysis

Structural Equation Modeling and Path Analysis

Report Preparation and Presentation

International Marketing Research

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