Question 1

What is a cross-sectional study?

Accepted Answer

A)   a study with data collected at one time point
B)   a research study of data for several time periods
C)   a study comparing variables with each other
D)   a research study of several themes or subtopicsE) A) and B)
F) C) and D)

Question 2

A measurement bias could occur regardless of the type of research study.

Accepted Answer

A) True 
 B)False

Question 3

Social desirability bias could lead to a higher rate of item nonresponse.

Accepted Answer

A) True 
 B)False

Question 4

Describe the three types of bias that could occur in research studies, with the help of an example each.

Accepted Answer

The three types of bias that could occur...

Question 5

The difference between the estimated and actual value of a variable for three cases were as follows: -3, +9, +2. What type of error do these differences suggest?

Accepted Answer

A)   bias
B)   measurement error
C)   random error
D)   varianceE) All of the above
F) A) and B)

Question 6

Which are the nonprobability methods of sampling?

Accepted Answer

A)   case-control and availability
B)   convenience, quota, and case-control
C)   availability, stratified, and quota
D)   cluster, convenience, and quotaE) A) and B)
F) All of the above

Question 7

What does the term "matching" mean in case-control studies?

Accepted Answer

A)   pairing a case with a control based on similarity of one variable
B)   sampling as many controls as the number of cases of interest
C)   taking a preset number of cases with presence of a risk factor
D)   selecting a fixed set of control units determined by the analystE) C) and D)
F) A) and B)

Question 8

Peter was unable to respond to a survey due to a health condition. John, his colleague, filled-out the survey in his place, in the best way that he could. What is this phenomenon called?

Accepted Answer

A)   biased response
B)   proxy reporting
C)   reporting error
D)   absentee responseE) B) and C)
F) A) and D)

Exam 11: Bias

Social desirability bias could lead to a higher rate of item nonresponse.

Correct Answer
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The difference between the estimated and actual value of a variable for three cases were as follows: -3, +9, +2. What type of error do these differences suggest?

Correct Answer
verified

What does the term "matching" mean in case-control studies?

Correct Answer
verified

Peter was unable to respond to a survey due to a health condition. John, his colleague, filled-out the survey in his place, in the best way that he could. What is this phenomenon called?

Correct Answer
verified

Describe the three types of bias that could occur in research studies, with the help of an example each.

Correct Answer
Answered by ExamLex AI
The three types of bias that could occur...
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What is a cross-sectional study?

Correct Answer
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Which are the nonprobability methods of sampling?

Correct Answer
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A measurement bias could occur regardless of the type of research study.

Correct Answer
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Exam 11: Bias

Social desirability bias could lead to a higher rate of item nonresponse.

Correct AnswerverifiedShow Answer

The difference between the estimated and actual value of a variable for three cases were as follows: -3, +9, +2. What type of error do these differences suggest?

Correct AnswerverifiedShow Answer

What does the term "matching" mean in case-control studies?

Correct AnswerverifiedShow Answer

Peter was unable to respond to a survey due to a health condition. John, his colleague, filled-out the survey in his place, in the best way that he could. What is this phenomenon called?

Correct AnswerverifiedShow Answer

Describe the three types of bias that could occur in research studies, with the help of an example each.

Correct AnswerAnswered by ExamLex AIThe three types of bias that could occur...View AnswerShow Answer

What is a cross-sectional study?

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Which are the nonprobability methods of sampling?

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A measurement bias could occur regardless of the type of research study.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
Answered by ExamLex AI
The three types of bias that could occur...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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