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Submitted on January 17, 2007
Accepted on January 2, 2008
Affiliation of the authors: 1 Department of Epidemiology and Biostatistics, University of South Florida College of Public Health, Tampa, FL; Department of Facilities and Academic Support for Technology, Johnnie B. Byrd, Sr. Alzheimer's Center and Research Institute, Tampa, FL ; 2 Department of Facilities and Academic Support for Technology, Johnnie B. Byrd, Sr. Alzheimer's Center and Research Institute, Tampa, FL ; 3 North Central Blood Services, American Red Cross, St. Paul, MN; 4 Department of Surgery, University of South Florida College of Medicine, Tampa, FL
* To whom correspondence should be addressed.
We conducted a reliability study comparing single entry (SE) into a Microsoft Excel (1) spreadsheet to entry using the Existing Forms (EF) feature of the Teleforms (2) software system, in which optical character recognition is used to capture data off of paper forms designed in non-Teleforms software programs. We compared the transcription of data from multiple paper forms from over 100 research participants representing almost 20,000 data entry fields. Error rates for SE were significantly lower than those for EF, so we chose SE for data entry in our study. Data transcription strategies from paper to electronic format should be chosen based on evidence from formal evaluations, and their design should be contemplated during the paper forms development stage.
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