J Emerg Med
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Emergency departments (ED) have proposed utilizing a Web-based format to distribute patient satisfaction surveys, but the potential for bias in this distribution method has not been assessed. ⋯ A Web-based distribution of ED patient satisfaction surveys may underrepresent minorities, patients without college education, those with lower income, and patients older than 40 years. This information may provide guidance in interpreting results of Web-based patient satisfaction surveys and may suggest the need for multiple sampling methods.