The numeracy understanding in medicine instrument: a measure of health numeracy developed using item response theory.

@article{Schapira2012TheNU,
  title={The numeracy understanding in medicine instrument: a measure of health numeracy developed using item response theory.},
  author={Marilyn M Schapira and Cindy M. Walker and Kevin J Cappaert and Pamela Ganschow and Kathlyn E. Fletcher and Emily L. McGinley and Sam Del Pozo and Carrie Schauer and Sergey S. Tarima and E. T. A. F. Jacobs},
  journal={Medical decision making : an international journal of the Society for Medical Decision Making},
  year={2012},
  volume={32 6},
  pages={851-65}
}
BACKGROUND Health numeracy can be defined as the ability to understand and apply information conveyed with numbers, tables and graphs, probabilities, and statistics to effectively communicate with health care providers, take care of one's health, and participate in medical decisions. OBJECTIVE To develop the Numeracy Understanding in Medicine Instrument (NUMi) using item response theory scaling methods. DESIGN A 20-item test was formed drawing from an item bank of numeracy questions. Items… CONTINUE READING
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