Kupiainen Sirkku; Marjanen Jukka; Vainikainen Mari Pauliina; Hautamäki Jarkko: Finnish ninth graders six years apart : How to explain declining achievement and adverse attitudinal development?
Vainikainen Mari Pauliina; Kupiainen Sirkku; Marjanen Jukka; Hautamäki Jarkko: Previous knowledge and task performance as predictors of girls’ and boys’ interest in low-stakes assessment tasks of mathematical thinking skills.