Written argumentation is a complex skill to master. It can be assumed that students can transfer oral argumentation skills into a written format. Still, students from disadvantaged backgrounds for whom this task is highly novel require greater scaffolding to formulate persuasive arguments in writing. Therefore, there is a need for developing sound…

This study is one of the first evaluations of independent (i.e., self-guided) practice in math in a developing country. We randomly assigned 4,461 students in grades 4-7 in "unaided" private schools across seven Indian cities who were using a computer-assisted learning software to: (a) a control group, in which they moved from one unit…