The effects of a digital formative assessment tool on mathematics achievement and student motivation: Results of a randomized experiment. - Janke M. Faber; Hans Luyten; Adrie J. Visscher (Comput. Educ., 2017)

The effects of a digital formative assessment tool on spelling achievement: Results of a randomized experiment. - Janke M. Faber; Adrie J. Visscher (Comput. Educ., 2018)