Worksheet 18: Selection Bias

Worksheet 18: Selection Bias#

Your name:

Your student ID number:

  1. Can you come up with a realistic example of a sampling method where samples might not be independent?

  2. Suppose you are trying to conduct a poll to figure out which candidate is likely to win the congressional race in your district. What are the challenges to collecting a uniform sample? Can you think of a way of doing it?

  3. Suggest a real-life examples of sampling bias.

  4. Suggest a real-life example of volunteer bias.

  5. What kind of bias do you think offering compensation to participants is likely to introduce?

  6. Suggest a real-life example of survivorship bias.