@article{LotzSchneiderSparfeldt_2018,
title={Differential relevance of intelligence and motivation for grades and competence tests in mathematics},
author={Lotz, Christin and Schneider, Rebecca and Sparfeldt, Jörn},
issn={1041-6080},
doi={http://dx.doi.org/10.22028/D291-35747},
volume={65},
pages={30-40},
publisher={Elsevier},
journal={Learning and individual differences : a multidisciplinary journal in education},
year={2018}
}