Article Text
PostScript
Letter
Time of day of cognitive tests might distort shift work study results
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Marquié et al1 find that “shift work chronically impairs cognition”. There might be a non-conservative bias in these results leading to potential false-positive findings if the tests of cognition were administered during the day. …
Footnotes
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Competing interests None.
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Provenance and peer review Not commissioned; internally peer reviewed.