Notes
*Typos in the published formula were corrected by Dan Ozer, Ph.D., UC Riverside.
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Hays, R.D., Reise, S. & Calderón, J.L. How Much Is Lost in Using Single Items?. J GEN INTERN MED 27, 1402–1403 (2012). https://doi.org/10.1007/s11606-012-2182-6
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DOI: https://doi.org/10.1007/s11606-012-2182-6