Secondary Students Intrinsic Motivation during Multidisciplinary STEAM projects : A quantitative study on the influence of competence, autonomy and relatedness in secondary Dutch classrooms. PATT40 [Internet]. 2023 Oct. 31 [cited 2026 Feb. 24];1(October). Available from: https://azljmu07a0101.ljmu-eprints.cdl.cosector.com/PATT40/article/view/997