@article{ref1,
title="Expectancy of reinforcement in chance and skill tasks under motor handicap",
journal="Journal of clinical psychology (Hoboken)",
year="1971",
author="Walls, R. T. and Cox, Jennifer",
volume="27",
number="4",
pages="436-438",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9762",
doi="",
url="http://dx.doi.org/"
}