Individualized Differentiated Spelling with Blogs - Implementing and Individualizing (IDeRBlog ii) - An Example of a Learning Analytics Platform for the Text-Based Acquisition of Spelling Skills of Students in German. - Nina Leidinger; Michael Gros; Martin Ebner; Markus Ebner 001; Konstanze Edtstadler; Elisabeth Herunter; Jessica Heide; Sabine Peifer; Anneliese Huppertz; Vera Kistemann (HCI (25), 2020)