A researcher is conducting a study to determine how knowledgeable teenagers are
About making good food choices. She decides to interview teenagers eating at a fast food
Restaurant. The results may be biased because this is a
A) simple random sample.
B) voluntary response sample.
C) convenience sample.
D) stratified sample.
E) census.

Question

Quizplus · Accepted Answer

The sample is biased because it is a convenience sample, as the researcher is only interviewing teenagers who are easily accessible at a fast food restaurant, which may not represent the general population of teenagers.

A Researcher Is Conducting a Study to Determine How Knowledgeable