A Researcher Is Studying the Prevalence of Chronic Fatigue Syndrome

question 2

Multiple Choice

A researcher is studying the prevalence of chronic fatigue syndrome using a long questionnaire.The researcher is worried that people with chronic fatigue syndrome will be less likely to complete the questionnaire than healthy people.If this is true the study will

• A)estimate the prevalence perfectly
• B)overestimate the prevalence
• C)underestimate the prevalence
• D)none of the above

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