We conduct a large scale RCT to investigate peer effects in computer assisted learning (CAL). Identification of peer … with high performers. We test whether CAL treatment reduces the dispersion in math scores relative to controls, and we find … strengthened, both in terms of average effect and in terms of reduced dispersion, if weak students are systematically paired with …

We conduct a large scale RCT to investigate peer effects in computer assisted learning (CAL). Identification of peer … with high performers. We test whether CAL treatment reduces the dispersion in math scores relative to controls, and we find … strengthened, both in terms of average effect and in terms of reduced dispersion, if weak students are systematically paired with …

(tracking and heterogeneous/bimodal groups) on student learning outcomes during middle school. Both strategies yielded an …This article relies on a large-scale field experiment in Mexico to measure the effects of two ability-grouping models … average learning gain of 0.08 of a standard deviation. We find l arger a nd m ore p ersistent effects among initially high …

mental health is scant. We study how an important classroom feature - the gender composition in compulsory-school - affects …

effects on learning or dropout rates but they do appear to have positive effects on the reputation of high school graduates …Students face four decision margins: (a) How many years to spend in school, (b) What to study, (c) How much effort to … devote to learning per year and (d) Whether to disrupt or assist the learning of classmates. The thousands of studies that …