Question 1

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

Accepted Answer

Increasing the standard deviation increases the spread of the data, which can lead to a larger sample size needed to achieve a certain level of significance. A larger sample size can result in higher project revenue for the research firm.

Question 2

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

Accepted Answer

The answer of The cost of increasing the sample size...

Question 3

Generally,large samples are desirable in social media research.

Accepted Answer

Large samples provide a more representative and reliable picture of the target population, making it easier to draw accurate conclusions and make generalizations.

Question 4

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

Accepted Answer

It is important to report nonresponse rates and estimate their effects because nonresponse can introduce bias and affect the validity of survey results.

Question 5

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

Accepted Answer

This statement is false. The foot-in-the-door technique is generally more effective than the door-in-the-face technique in motivating potential respondents. This is because the foot-in-the-door technique involves making a small request first, which then makes the person more likely to comply with a larger request later. The door-in-the-face technique, on the other hand, involves making a large request first, which can actually decrease the likelihood of compliance even if a smaller request is made later.

Question 6

If statistical estimation of sample size is at all attempted,it should be realized that the estimates of the population variance don't vary from country to country.

Accepted Answer

The estimates of population variance do vary from country to country due to differences in the characteristics and variability of the population being studied.

Question 7

A ________ is a summary description of a characteristic or measure of the sample.It is used as an estimate of the population parameter.
A)statistic
B)precision level
C)finite population correction
D)parameter

Accepted Answer

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

Question 8

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

Accepted Answer

The precision level, or margin of error, is the desired size of the estimating interval and determines the maximum permissible difference between the sample statistic and the population parameter. The other answer choices are not relevant to this concept.

Question 9

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

Accepted Answer

Studies have shown that prepaid incentives, where the recipient receives the reward before completing the desired behavior, have a stronger effect on response rates than promised incentives, where the reward is offered after the behavior is completed. This is because prepaid incentives create a sense of reciprocity and obligation in the recipient, increasing their motivation to respond.

Question 10

A ________ is a summary description of a fixed characteristic or measure of the target population.It denotes the true value that would be obtained if a census rather than a sample was undertaken.
A)statistic
B)precision level
C)finite population correction
D)parameter

Accepted Answer

A parameter is a summary description of a fixed characteristic or measure of the target population. It denotes the true value that would be obtained if a census rather than a sample was undertaken. A statistic is a summary description of a characteristic or measure of a sample. Precision level refers to the level of accuracy or how close the sample result is to the true population value. Finite Population Correction is a statistical adjustment made when the sample size is a large proportion of the population size.

Question 11

Trend analysis is an attempt to discern a trend between early and late respondents.

Accepted Answer

Trend analysis is indeed an attempt to identify and analyze trends or patterns in data over time, including differences between early and late respondents.

Question 12

The mathematical symbols "π" and "p" represent a ________ for the population and the sampling distribution respectively.
A)proportion
B)standard deviation
C)standard error of the mean
D)variance

Accepted Answer

"π" represents the population proportion, and "p" represents the proportion in a sample or sampling distribution.

Question 13

The mathematical symbols "σ_X" and "S_X" represent a ________ for the population and the sampling distribution respectively. A)proportion B)standard deviation C)standard error of the mean D)variance

Accepted Answer

The symbols "σ_X" and "S_X" represent the standard deviation for the population and the sampling distribution respectively. "σ" typically denotes the population standard deviation, while "S" is used for the sample standard deviation.

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

The answer of When conducting marketing research in foreign countries,statistical...

Question 15

It is not feasible to have large sample sizes when conducting marketing research in social media.

Accepted Answer

It is actually feasible to have large sample sizes when conducting marketing research in social media due to the vast amount of users and data available. However, it may be more difficult and time-consuming to gather and analyze the data.

Question 16

Information on differences between respondents and nonrespondents may be obtained from the sample itself,or it may be possible to estimate the differences from other sources.

Accepted Answer

Information on the differences between respondents and nonrespondents can be obtained from the sample itself, such as demographic characteristics or response patterns. Additionally, it may be possible to estimate differences through other sources such as administrative records or external data sources.

Question 17

High response rates decrease the probability that nonresponse bias is substantial.

Accepted Answer

High response rates mean that the sample is more representative of the population, which reduces the likelihood of nonresponse bias. When a large proportion of the sample responds, it is less likely that those who did not respond have different characteristics than those who did respond.

Question 18

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

Accepted Answer

The described formula is the finite population correction, which is used to adjust for overestimation of variance when the sample size is a significant proportion of the population size.

Question 19

Because low response rates increase the probability of response bias,an attempt should always be made to improve the response rate.

Accepted Answer

The answer of Because low response rates increase the probability...

Question 20

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

Prior notification informs individuals about an upcoming study and the purpose of the study, which reduces surprise and uncertainty. This creates a more cooperative atmosphere and increases the likelihood of response rates for samples of the general public.

Quiz 12: Sampling: Final and Initial Sample Size Determination

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

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

Generally,large samples are desirable in social media research.

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

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

If statistical estimation of sample size is at all attempted,it should be realized that the estimates of the population variance don't vary from country to country.

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

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.

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

A ________ is a summary description of a fixed characteristic or measure of the target population.It denotes the true value that would be obtained if a census rather than a sample was undertaken.

Trend analysis is an attempt to discern a trend between early and late respondents.

The mathematical symbols "π" and "p" represent a ________ for the population and the sampling distribution respectively.

The mathematical symbols "σX" and "SX" represent a ________ for the population and the sampling distribution respectively.