Measuring numeracy without a math test: development of the subjective numeracy scale (SNS).
Fagerlin A, Zikmund-Fisher BJ, Ubel PA, Jankovic A, Derry HA, Smith DM. Medical Decision Making. 27:672-680, 2007.
Why Are You Calling Me? How Survey Introductions Change Response Patterns.
Smith DM, Schwarz N, Roberts TR, Ubel PA. Quality of Life Research. 15:621-630, 2006.
In a mailed physician survey, questionnaire length had a threshold effect on response rate.
Jepson C, Asch DA, Hershey JC, Ubel PA. Journal of Clinical Epidemiology. 58:103-5, 2005.
Reflections from the population: survey methods.
McMahon LF, Fagerlin A. Journal of Clinical Gastroenterology. 38:307-308, 2004.
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