@article{Jabłońska_Magdalena_PREDICTORS_2017, author={Jabłońska, Magdalena and Bedyńska, Sylwia and Gradowski, Łukasz and Sędek, Grzegorz}, number={No 2}, howpublished={online}, journal={Psychological Studies}, year={2017}, publisher={Committee of Psychology PAS}, publisher={Warsaw School of Social Sciences and Humanities}, title={PREDICTORS OF INSTRUMENTAL MOTIVATIONFOR MATHEMATICS IN PISA 2012. THE ROLE OF GENDER,SELF-CONCEPT, HELPLESSNESS, NEGATIVE EMOTIONS,WORRIES AND INTRINSIC MOTIVATION}, }