Asked by Ammar Bakdash on Sep 25, 2024
Verified
Which of the following describes selection bias?
A) A leading question is selected for inclusion in the survey.
B) Some members of the target population are excluded from possible selection for the sample.
C) A person selected for the sample has a biased opinion about the survey.
D) All of these choices are true.
Selection Bias
A distortion of statistical analysis resulting from the method of collecting samples leading to an unrepresentative sample.
Target Population
The entire group about which researchers are interested in drawing conclusions or making generalizations, in a statistical study.
Biased Opinion
A preference or inclination that precludes an impartial judgment, often resulting from preconceived notions or prejudices.
- Explain the various biases present in sampling methods and strategies to reduce their impact.
- Clarify the notions of selection bias, nonresponse error, and nonsampling error.
Verified Answer
SS
Salik Shaikhabout 12 hours ago
Final Answer :
B
Explanation :
Selection bias occurs when members of the target population are excluded from possible selection for the sample, resulting in a biased sample. A leading question and a person's biased opinion may also affect the results of the survey, but these are not examples of selection bias.
Learning Objectives
- Explain the various biases present in sampling methods and strategies to reduce their impact.
- Clarify the notions of selection bias, nonresponse error, and nonsampling error.