A dataset of three educational technology experiments on differentiation, formative testing and feedback. - Carla Haelermans; Joris Ghysels; Fernao Prince (Br. J. Educ. Technol., 2015)

Increasing performance by differentiated teaching? Experimental evidence of the student benefits of digital differentiation. - Carla Haelermans; Joris Ghysels; Fernao Prince (Br. J. Educ. Technol., 2015)

The effect of individualized digital practice at home on math skills-Evidence from a two-stage experiment on whether and why it works. - Carla Haelermans; Joris Ghysels (Comput. Educ., 2017)

New evidence on the effect of computerized individualized practice and instruction on language skills. - Joris Ghysels; Carla Haelermans (J. Comput. Assist. Learn., 2018)