@article{ref1,
title="Effects of social reinforcement, subject sex, and experimenter sex on children's motor performance",
journal="Research quarterly",
year="1972",
author="Harney, D. M. and Parker, R.",
volume="43",
number="2",
pages="187-196",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0034-5377",
doi="",
url="http://dx.doi.org/"
}