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. 2015 Nov 3;17(11):e247. doi: 10.2196/jmir.5072

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©Markus Vogel, Wolfgang Kaisers, Ralf Wassmuth, Ertan Mayatepek. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 03.11.2015.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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Per person analysis of correction rate and number of characters. Each dot represents one participant. The location of the dot indicates the sum of corrections per documented character (see text for further details) of control and intervention and the number of characters per report of control and intervention. A location above the dotted line indicates increased correction effort and increased number of characters per report when using the intervention.