Grace conducted an experiment to study the incidence of birth defects in infants born of mothers who drank alcohol during their pregnancies. She had a poster located behind her desk in full view of study participants that stated "Don't Drink" accompanied by a disturbing image of a newborn with multiple birth defects. What type of bias does this poster represent?
A) researcher
B) participant
C) demand characteristic
D) statistical

Question

Quizplus · Accepted Answer

The poster represents a demand characteristic, as it may influence the behavior or responses of the participants in the study. The poster may lead the participants to underreport or over-report their alcohol consumption during pregnancy, leading to biased results.

Grace Conducted an Experiment to Study the Incidence of Birth