@article{ref1,
title="Certainty of judgment and the evaluation of risk",
journal="Psychological reports",
year="1960",
author="Kogan, Nathan and Wallach, Michael A.",
volume="6",
number="2",
pages="207-213",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2941",
doi="10.2466/pr0.1960.6.2.207",
url="http://dx.doi.org/10.2466/pr0.1960.6.2.207"
}