Bias Flashcards
How can a study be biased?
A study is biased if it systematically favors certain outcomes.
What is under coverage?
some group of the population is left out of the process for choosing the sample
What is an example of under coverage?
Sample Houses, prisoners or students
What is non response?
an individual for the sample does not cooperate, or does not respond
What is an example of non response?
phone polls at dinnertime
What is response bias?
behavior of the respondent or interviewer can cause bias
What is an example of response bias?
asking Mr. Williams or a student “Do you drink alcohol?”
What is a wording bias?
the wording of questions can cause bias
What is an example of wording bias?
Question: Local referendum to create an new school
Option 1: This referendum will help young people stay in school by encouraging participation in athletics.
Option 2: This referendum will cost property owners $320 in additional taxes every day.
