guided interactions between parents and children focused on responsive play and dialogic reading. Three years after the end … of the intervention, the receptive vocabulary and the socio-emotional development of children of families participating … in either of the treatment arms improved (by 0.43 and 0.54 standard deviation, respectively) relative to children of …

"We evaluate the effects of academic achievement awards for first and second-year college students on a Canadian … 70 for second-year students, but there was no significant effect on overall GPA. Results are somewhat stronger for a …