Exam 12: Sampling: Final and Initial Sample Size Determination

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

A recent study conducted by CMOR study indicated that consumers prefer ________ surveys versus the ________ method of surveys.

Free
(Multiple Choice)
4.7/5
(74)
Correct Answer:
Verified

B

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

Free
(True/False)
4.9/5
(89)
Correct Answer:
Verified

False

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.

Free
(True/False)
5.0/5
(81)
Correct Answer:
Verified

True

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

(Multiple Choice)
4.7/5
(75)

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

(Multiple Choice)
4.9/5
(80)

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.

(True/False)
4.8/5
(66)

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

(True/False)
4.8/5
(82)

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.

(True/False)
4.9/5
(80)

Which method of adjusting for nonresponse has the researcher contacting a sub-sample of the nonrespondents;projecting the values obtained from the sub-sample to all respondents;then adjusting the survey results to account for nonresponse?

(Multiple Choice)
4.8/5
(87)

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

(Multiple Choice)
4.8/5
(73)

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.

(True/False)
4.8/5
(91)

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.

(True/False)
4.9/5
(80)

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.

(True/False)
4.9/5
(72)

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

(True/False)
4.7/5
(76)

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

(True/False)
4.8/5
(80)

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.

(Multiple Choice)
4.7/5
(84)

The percentage of qualified respondents who complete the interview is the ________.

(Multiple Choice)
4.9/5
(85)

Which equation is the correct equation for determining the initial sample size?

(Multiple Choice)
4.9/5
(74)

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

(True/False)
4.9/5
(81)

Which method of improving response rate involves sending potential respondents a letter notifying them of the imminent mail,telephone,personal,or Internet survey?

(Multiple Choice)
4.9/5
(80)
Showing 1 - 20 of 71
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)