which survey is most likely affected by bias?\n a survey of teenagers about their favorite colors\n a survey…

which survey is most likely affected by bias?\n a survey of teenagers about their favorite colors\n a survey of students about vacation policies in a school district\n a survey of supermarket shoppers about products they would like to see added\n a survey of bike riders on whether they wear helmets

which survey is most likely affected by bias?\n a survey of teenagers about their favorite colors\n a survey of students about vacation policies in a school district\n a survey of supermarket shoppers about products they would like to see added\n a survey of bike riders on whether they wear helmets

Answer

Brief Explanations:

When surveying students about school - district vacation policies, the students have a personal stake in the outcome (e.g., more vacation days). This can lead to responses that are influenced by self - interest rather than objective opinion, introducing bias. In the other surveys (favorite colors, supermarket products, bike helmet use), there is less self - interest that could skew responses.

Answer:

a survey of students about vacation policies in a school district