A short questionnaire is to be given to a sample of people. The questionnaire involves the topic of abortion. The woman who will hand out the questionnaire is a big pro-life supporter and on the day of the survey shows up with pamphlets and picket-signs expressing her opinion. What type of bias may this cause?
A) Selection bias
B) Response bias
C) Non-response bias
D) Volunteer bias

Question

Quizplus · Accepted Answer

The presence of the woman with pamphlets and picket-signs expressing her pro-life stance could influence the respondents' answers, leading to response bias. This is because participants might feel pressured to give answers that align with the woman's views, rather than their true opinions.

A Short Questionnaire Is to Be Given to a Sample