Zezima reported that while nearly 100% of people reported that they wash their hands after using public restrooms, however actual observations of public hand washing behavior demonstrated much lower percentages. This illustrates
A) invasion of privacy
B) question ambiguity
C) biased sampling
D) a social desirability bias

Question

Quizplus · Accepted Answer

The fact that people reported a much higher percentage of hand washing than was actually observed suggests a social desirability bias, where people may report what they feel is socially acceptable rather than what they actually do.

Zezima Reported That While Nearly 100% of People Reported That