@article{ref1,
title="Confidence and correctness in comparative judgment",
journal="Perceptual and motor skills",
year="1958",
author="Willingham, Warren W.",
volume="8",
number="2",
pages="227-230",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0031-5125",
doi="10.2466/pms.1958.8.h.227",
url="http://dx.doi.org/10.2466/pms.1958.8.h.227"
}