Exam 15: Data Collection: Types of Error and Response Rate Calculation

One difference between sampling and nonsampling errors is that as sample size increases,sampling errors will ____ while nonsampling errors ____.

Which of the following is TRUE?

Nonsampling errors

The results of a study based on a sample are a combination of

Which of the following is FALSE?

Student researchers randomly selected 1,000 telephone numbers from the local telephone directory and attempted to contact each household.Here are the final results of the calls: Completed interviews 409;Refusals 73;Not-at-homes 182;Ineligibles 284;Nonworking numbers 52.What is eligibility percentage in this particular situation?

Which of the following are valid strategies for dealing with not-at-homes?

Noncoverage error arises because of a failure to include some part of the defined population in the sampling frame.

Which of the following is FALSE?

While collecting data by conducting personal interviews in homes,Jake interviews the most accessible individual within the household,rather than using random selection.This increases the potential of

Lower response rates generally suggest fewer problems with nonresponse bias.

Which of the following is essentially a sampling frame problem?

The potential problem in any project for which data is not collected from ALL respondents selected for the sample is

An important consideration for assessing the overall quality of a data collection effort is the

Which of the following is TRUE concerning sampling errors?

Noncoverage error is essentially a sampling frame problem.

In a mail survey,500 questionnaires were sent out but only 200 were returned.

The error a researcher should work most to minimize is

Sampling error is reflected in the

Student researchers collected data on name awareness of a local store.The researchers found that three-fourths of the people who refused to respond were members of the Greek system.If the Greek students who refused to participate in the survey were truly different on some key dimension from those who actually responded to the survey,____ error could bias the research results.