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. 2015 May 19;9:288. doi: 10.3389/fnhum.2015.00288

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Copyright © 2015 Woods, Yund, Wyma, Ruff and Herron.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Median QCTs for the questions on the PCL and cognitive failures questionnaire (CFQ) as a function of the number of words in each question. The two longest QCTs (top center) occurred to the first question in each questionnaire.