Question 1

________ is a method to adjust for nonresponse by assigning the characteristic of interest to the nonrespondents based on the similarity of the variables available for both nonrespondents and respondents.

Accepted Answer

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

Question 2

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

Question 3

The ________ is the standard deviation of the sampling distribution of the mean or proportion.

Accepted Answer

A) standard error 
B) standardized variate 
C) variance 
D) standard deviation

Question 4

The confidence level is the range into which the true population parameter will fall,assuming a given level of confidence.

Accepted Answer

A) True 
 B)False

Question 5

When estimating a population parameter by using a sample statistic,the ________ is the desired size of the estimating interval.This is the maximum permissible difference between the sample statistic and the population parameter.

Accepted Answer

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

Question 6

Generally,large samples are desirable in social media research.

Accepted Answer

A) True 
 B)False

Question 7

Which survey method has the highest refusal rate?

Accepted Answer

A) telephone 
B) mall intercept 
C) mail surveys 
D) Internet

Question 8

Discuss why there may be ethical concerns when using the standard deviation of a variable in determining sample size.

Accepted Answer

The answer of Discuss why there may be ethical concerns...

Question 9

The cost of increasing the sample size in social media research goes up markedly.

Accepted Answer

A) True 
 B)False

Question 10

The ________ is called the standard error of the mean or the proportion to indicate that it refers to a sampling distribution of the mean or the proportion,and not to a sample or a population.

Accepted Answer

A) coefficient of variation 
B) standardized variate 
C) variance 
D) standard deviation

Question 11

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

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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.

Question 14

The sampling distribution of the mean is a binomial distribution.

Accepted Answer

A) True 
 B)False

Question 15

The door-in-the-face attempt at motivating potential respondents is more effective than foot-in-the-door.

Accepted Answer

A) True 
 B)False

Question 16

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

Question 17

When determining the sample size,the standard deviation may not be known.Which of the following was not mentioned in your text as a way to estimate the standard deviation?

Accepted Answer

A) consult secondary sources 
B) estimate based on researcher judgment 
C) estimate from the mean 
D) conduct a pilot study

Question 18

If the researcher is required to estimate several parameters,not just one,the calculation of sample size in these cases should be based on a consideration of all the parameters that must be estimated.

Accepted Answer

A) True 
 B)False

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

Question 20

Ethical dilemmas associated with sample size determination include all of the following except ________.

Accepted Answer

A) inflating the standard deviation to increase sample size and project revenue 
B) what should be done when a difference in the actual standard deviation and the estimated standard deviation results in a larger confidence interval than desired 
C) investigating the possibility of non-response bias and making a reasonable effort to adjust for it 
D) All of the above pose ethical dilemmas.

Exam 12: Sampling: Final and Initial Sample Size Determination

________ is a method to adjust for nonresponse by assigning the characteristic of interest to the nonrespondents based on the similarity of the variables available for both nonrespondents and respondents.

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

The ________ is the standard deviation of the sampling distribution of the mean or proportion.

The confidence level is the range into which the true population parameter will fall,assuming a given level of confidence.

When estimating a population parameter by using a sample statistic,the ________ is the desired size of the estimating interval.This is the maximum permissible difference between the sample statistic and the population parameter.

Generally,large samples are desirable in social media research.

Which survey method has the highest refusal rate?

Discuss why there may be ethical concerns when using the standard deviation of a variable in determining sample size.

The cost of increasing the sample size in social media research goes up markedly.

The ________ is called the standard error of the mean or the proportion to indicate that it refers to a sampling distribution of the mean or the proportion,and not to a sample or a population.

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

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

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

The sampling distribution of the mean is a binomial distribution.

The door-in-the-face attempt at motivating potential respondents is more effective than foot-in-the-door.

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

When determining the sample size,the standard deviation may not be known.Which of the following was not mentioned in your text as a way to estimate the standard deviation?

If the researcher is required to estimate several parameters,not just one,the calculation of sample size in these cases should be based on a consideration of all the parameters that must be estimated.

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.

Ethical dilemmas associated with sample size determination include all of the following except ________.