Online educational technologies facilitate pedagogical experimentation, but typical experimental designs assign a fixed proportion of students to each condition, even if early results suggest some are ineffective. Experimental designs using multi-armed bandit (MAB) algorithms vary the probability of condition assignment for a new student based on…

With the rising prevalence of digital data, infrastructures and platforms in education, the challenge of conceptualizing and investigating 'intermediaries' has substantially increased. This not only refers to various new types of actors that have been materializing around practices of data infrastructuring (e.g., data management), but equally to…